{"id":57325,"date":"2021-04-16T14:51:00","date_gmt":"2021-04-16T18:51:00","guid":{"rendered":"https:\/\/www.nasa.gov\/?migration=converted-node-470966"},"modified":"2023-07-25T12:11:25","modified_gmt":"2023-07-25T16:11:25","slug":"advanced-composites-project-publications","status":"publish","type":"post","link":"https:\/\/www.nasa.gov\/directorates\/armd\/aavp\/ac\/advanced-composites-project-publications\/","title":{"rendered":"Advanced Composites Project Publications"},"content":{"rendered":"<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-cover \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1400\" height=\"1400\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?w=1400\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"Advanced Composites Publications\" style=\"transform: scale(1.2); transform-origin: 48% 31%; object-position: 48% 31%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png 1400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=300,300 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=768,768 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=1024,1024 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=200,200 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=400,400 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=600,600 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=900,900 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?resize=1200,1200 1200w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" loading=\"eager\" \/><\/a><\/figure><\/div><\/div><\/div>\n\n\n<p><strong>2C18 PDA<\/strong>  <a href=\"#pda2020\">2020<\/a>  |  <a href=\"#pda2019\">2019<\/a>  |  <a href=\"#pda2018\">2018<\/a>  |  <a href=\"#pda2017\">2017<\/a>  |  <a href=\"#pda2016\">2016<\/a>  |  <a href=\"#pda2015\">2015<\/a>  |  <a href=\"#pda2014\">2014<\/a><br><strong>2C19 HEDI <\/strong> <a href=\"#hedi2020\">2020<\/a>  |  <a href=\"#hedi2019\">2019<\/a>  |  <a href=\"#hedi2018\">2018<\/a>  |  <a href=\"#hedi2017\">2017<\/a>  |  <a href=\"#hedi2016\">2016<\/a>  |  <a href=\"#hedi2015\">2015<\/a>  |  <a href=\"#hedi2014\">2014<\/a><br><strong>2C20 Rapid Tools<\/strong>  <a href=\"#rapid-tools2020\">2020<\/a>  |  <a href=\"#rapid-tools2019\">2019<\/a>  |  <a href=\"#rapid-tools2018\">2018<\/a>  |  <a href=\"#rapid-tools2017\">2017<\/a>  |  <a href=\"#rapid-tools2016\">2016<\/a><br><strong>2C21 Rapid Inspection<\/strong>  <a href=\"#rapid-inspection2020\">2020<\/a>  |  <a href=\"#rapid-inspection2019\">2019<\/a>  |  <a href=\"#rapid-inspection2018\">2018<\/a>  |  <a href=\"#rapid-inspection2017\">2017<\/a>  |  <a href=\"#rapid-inspection2016\">2016<\/a>  |  <a href=\"#rapid-inspection2015\">2015<\/a>  |  <a href=\"#rapid-inspection2014\">2014<\/a><br><strong>2C22 DFM<\/strong>  <a href=\"#dfm2020\">2020<\/a>  |  <a href=\"#dfm2019\">2019<\/a>  |  <a href=\"#dfm2018\">2018<\/a>  |  <a href=\"#dfm2017\">2017<\/a><br><strong>2C23 AFP Model <\/strong> <a href=\"#afp-model2020\">2020<\/a>  |  <a href=\"#afp-model2019\">2019<\/a>  |  <a href=\"#afp-model2018\">2018<\/a>  |  <a href=\"#afp-model2017\">2017<\/a>  |  <a href=\"#afp-model2016\">2016<\/a><br><strong>2C24 Closed-Loop Control <\/strong> <a href=\"#closed-loop2019\">2019<\/a>  |  <a href=\"#closed-loop2018\">2018<\/a><br><strong>2C25 Sandwich Model<\/strong>  <a href=\"#sandwich-model2020\">2020<\/a>  |  <a href=\"#sandwich-model2019\">2019<\/a>  |  <a href=\"#sandwich-model2018\">2018<\/a>  |  <a href=\"#sandwich-model2017\">2017<\/a>  |  <a href=\"#sandwich-model2016\">2016<\/a><br><strong>2C26 Bonding<\/strong>  <a href=\"#bonding2020\">2020<\/a>  |  <a href=\"#bonding2019\">2019<\/a>  |  <a href=\"#bonding2018\">2018<\/a>  |  <a href=\"#bonding2017\">2017<\/a>  |  <a href=\"#bonding2016\">2016<\/a>  |  <a href=\"#bonding2015\">2015<\/a><br><strong>2C27 Laminate Cure Model<\/strong>  <a href=\"#laminate-2020\">2020<\/a>  |  <a href=\"#laminate-2019\">2019<\/a>  |  <a href=\"#laminate-2018\">2018<\/a>  |  <a href=\"#laminate-2017\">2017<\/a>  |  <a href=\"#laminate-2016\">2016<\/a>  |  <a href=\"#laminate-2015\">2015<\/a>  |  <a href=\"#laminate-2014\">2014<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C18 PDA<\/h2>\n\n\n\n<p><strong>2020 (2C18 PDA)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/citations\/20200002622\" rel=\"noopener\">A Benchmark Example for Delamination Growth Predictions Based on the Single Leg Bending Specimen under Fatigue Loading<\/a><br>Ronald Krueger, Lyle Deobald, Haozhong Gu<br>Published in 2020<\/p>\n\n\n\n<p>Benchmarking Enhanced VCCT-based Interlaminar Fatigue and Progressive Failure Finite Element Analysis \u2014 PRELIMINARY<br>Lyle R. Deobald, Gerald E. Mabson, Das Ramnath, Haozhong Gu, Zhenning Hu, Steve Engelstad, Vivian Johnson, Vijay Goyal, M. Prabhakar Rao, Shenal Perera, Mark Lobo, D.M. Hoyt<br>Published in 2020<\/p>\n\n\n\n<p>Automated Assessment of the Influence of AFP-Induced Defects<br>Pierre Chevalier, Brian Tatting, Zafer Gurdal<br>Published in June 2020<\/p>\n\n\n\n<p>Computer Aided Process Planning for Automated Fiber Placement<br>Joshua Halbritter, Ramy Harik<br>Published in May 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/citations\/20200003101\" rel=\"noopener\">An Investigation on the Accuracy of Delamination Analysis Predictions for Unidirectional Laminate Configurations<\/a><br>Patrick Enjuto, Gerald E. Mabson, Hangki Lee, Ronald Krueger, James G. Ratcliffe<br>Published in January 2020<\/p>\n\n\n\n<p>Evaluation of BSAM (B-Spline Analysis Method) Using Three-Point Bend Doubler Under Quasi-Static and Cyclic Loading<br>Alex Selvarathinam, Shenal Perera, Garrett Smith, Joe Schaefer, Will Johnston, Wade Jackson, Cheryl Rose<br>Published in January 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/citations\/20200002899\" rel=\"noopener\">Progressive Damage Analysis of a Multi-Stringer Post-Buckled Panel<\/a><br>Jason Action, Frank Leone, Nelson V. De Carvalho<br>Published in January 2020<\/p>\n\n\n\n<p>Progressive Damage Analysis of Post-Buckled Stiffened Panels under Static Compressive Loading<br>Frank A. Leone, Kyongchan Song, Cheryl A. Rose, Wade C. Jackson<br>Published in January 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/citations\/20200002917\" rel=\"noopener\">Progressive Damage Failure Analysis of a Multi-Stringer Post-Buckled Panel<\/a><br>Jason Action, Frank A. Leone<br>Published in January 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/citations\/20200002784\" rel=\"noopener\">Quasi-static and Fatigue Delamination at Tape\/Fabric Interfaces<\/a><br>Carlos G. Davila, James G. Ratcliffe<br>Published in January 2020<\/p>\n\n\n\n<p>Single Stringer Analysis (CompDam ad FNM)<br>Frank Leone, Song, Cheryl Rose, Wade Jackson<br>Published in January 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/citations\/20200003100\" rel=\"noopener\">Testing of a Multi-Stringer Post-Buckled Panel<\/a><br>Jason Action, Upul Palliyaguru, Wade Jackson, Joe Zalameda<br>Published in January 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/citations\/20200003100\" rel=\"noopener\">Testing of a Multi-Stringer Post-Buckled Panel with Incremental Damage Detection<\/a><br>Jason Action, Upul Palliyaguru, Wade Jackson, Joseph Zalameda<br>Published in January 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C18 PDA)<\/strong><\/p>\n\n\n\n<p>Computational Considerations in Scaling the Application of Progressive Damage Analysis Methods from Coupons to Sub-Components<br>Andrew C. Bergan, Frank A. Leone Jr., Stewart Boyd, Imran Hyder, Joseph D. Schaefer<br>Published in September 2019<\/p>\n\n\n\n<p>Computational Considerations in Scaling the Application of Progressive Damage Analysis Methods from Coupons to Sub-Components<br>Andrew C. Bergan, Frank A. Leone, Stewart Boyd, Imran Hyder, Joseph D. Schaefer<br>Published in September 2019<\/p>\n\n\n\n<p>Test\/Analysis Correlation of Damage States in Stiffened Post-Buckled Validation Building Block Specimens<br>Leone, F.A.; Song, K.; Rose, C.A.; Jackson, W.C.; Davila, C.G.<br>Published in September 2019<\/p>\n\n\n\n<p>Damage Mechanisms in Tapered Composite Structures under Static and Fatigue Loading<br>Prabhakar M. Rao, Mark R. Gurvich, Upul R. Palliyaguru, Waruna Seneviratne<br>Published in June 2019<\/p>\n\n\n\n<p>A Benchmark Example for Delamination Growth Predictions Based on the Single Leg Bending Specimen under Fatigue Loading<br>Ronald Krueger, Lyle Deobald, Haozhong Gu<br>Published in June 2019<\/p>\n\n\n\n<p>Fatigue Life Prediction of Rotor Spars by Using Discrete Damage Modeling<br>Endel V. Iarve, Kevin H. Hoos, Hari K. Adluru, J. Scott McQuien, Yu-Jui Liang<br>Published in May 2019<\/p>\n\n\n\n<p>A New Approach to Model Delamination Growth in Fatigue Using the Virtual Crack Closure Technique without Re-meshing<br>N. V. De Carvalhoa, G.E. Mabsonb, R.Kruegera, L.R. Deobald<br>Published in April 2019<\/p>\n\n\n\n<p>Evaluation of Progressive Damage Analysis Methods for Damage Predictions in Stiffened Composite Structure<br>Leone, F.A.; De Carvalho, N.; Rose, C.A.<br>Published in April 2019<\/p>\n\n\n\n<p>Estimation of Delamination Crack Depth Using Passive Thermography<br>Joseph N. Zalameda, Wade C. Jackson, Cheryl A. Rose<br>Published in April 2019<\/p>\n\n\n\n<p>The Long Road to Virtual Testing of Composite Structures \u2013 Are we there yet?<br>Carlos G. Davila<br>Published in April 2019<\/p>\n\n\n\n<p>Verification and Validation Process for Progressive Damage and Failure Analysis Methods in the NASA Advanced Composites Consortium<br>Joseph D. Schaefer, Brian Justusson, Imran Hyder & Steve Wanthal<br>Published in March 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190001427.pdf\" rel=\"noopener\">Computational Performance of Progressive Damage Analysis of Composite Laminates using Abaqus\/Explicit with 16 to 512 CPU Cores<\/a><br>A. C. Bergan<br>Published in February 2019<\/p>\n\n\n\n<p>An Experimental Investigation Concerning the Effects of AFP Defects on Progressive Failure of Tensile Coupons<br>Rafal Anay, Paul Ziehl, Addis Tessema, Roudy Wehbe, Lateef Assi, Addis Kidane, Ramy Harik, Brian F. Tatting, Zafer Gurdal<br>Published in January 2019<\/p>\n\n\n\n<p>Validation of Floating Node Method Using Three-Point Bend Doubler Under Quasi-Static Loading<br>Alex S. Selvarathinam, Nelson V. De Carvalho, Banavara R. Seshadri, Vivian Johnson, William M. Johnston, Wade C. Jackson, Cheryl Rose, Thomas K. O\u2019Brien<br>Published in January 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C18 PDA)<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/hdl.handle.net\/2060\/20180007919\" rel=\"noopener\">Modeling Fiber Kinking at the Microscale and Mesoscale<\/a><br>Miguel Herraez, Andrew C. Bergan, Carlos Gonzalez, Claudio S. Lopes<br>Published in October 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190033159.pdf\" rel=\"noopener\">A Cohesive Fatigue Model based on the S-N Diagram<\/a><br>C Davila<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190033367.pdf\" rel=\"noopener\">Study of Skin-Stringer Separation in Postbuckled Composite Aeronautical Structures <\/a><br>L Kootte, C Bisagni, C Davila, V Ratanunga<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190033161.pdf\" rel=\"noopener\">Validation of a Mesoscale Fiber Kinking Model through Test and Analysis of Double Edge Notch Compression Specimens<\/a><br>Andrew C. Bergan and Wade C. Jackson <br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190033119.pdf\" rel=\"noopener\">A Benchmark Example for Delamination Propagation Predictions Based on the Single Leg Bending Specimen under Quasi-static and Fatigue Loading<\/a><br>Ronald Krueger, Lyle Deobald, Haozhang Gu<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190033122.pdf\" rel=\"noopener\">An Engineering Approach to Analyze Damage Initiation Modes in Tapered Composite Structures<\/a><br>Prabhakar M. Rao, Mark R. Gurvich, Upul Palliyaguru, Waruna Seneviratne<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190033160.pdf\" rel=\"noopener\">Benchmarking Mixed Mode Matrix Failure in Progressive Damage and Failure Analysis Methods<\/a><br>Frank A. Leone, Madhavadas Ramnath, Imran Hyder, Joseph D. Scahefer, Matthew G. Pike, Gerald E Mabson<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20200000071.pdf\" rel=\"noopener\">Implementation of a Matrix Crack Spacing Parameter in a Continuum Damage Mechanics Finite Element Model<\/a><br>Imran Hyder, Frank A. Leone, Brian P. Justusson, Joseph D. Schaefer, Andrew Bergan, Steve Wanthal<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20200000070.pdf\" rel=\"noopener\">Quantification of Error Associated with Using Misaligned Meshes in Continuum Damage Mechanics Material Models for Matrix Crack Growth Predictions in Composites<\/a><br>Brian Justusson, Imran Hyder, Steward Boyd, Frank Leone<br>Published in September 2018<\/p>\n\n\n\n<p>The Evaluation of Strength-Dominant to Fracture-Dominant Failure Transition for Mode II Crack Growth<br>Imran Hyder, Brian P. Justusson, Joseph D. Schaefer, Matt Pike, Frank A. Leone, Andrew Bergan<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190033126.pdf\" rel=\"noopener\">VCCT with Progressive Nodal Release for Simulating Mixed-Mode Delamination: Formulation, Algorithmic Improvements and Implications<\/a><br>Gerald Mabson, Nelson De Carvalho, Ronald Krueger<br>Published in September 2018<\/p>\n\n\n\n<p>Numerical Analysis of Skin-Stiffener Separation Using a Seven Point Bend Configuration<br>C Kosztowny, C Davila, K Song, C Rose, W Jackson<br>Published in August 2018<\/p>\n\n\n\n<p>Characterization of Damage Formation in a Composite Single Stringer Hat Stiffened Panel Using Passive Thermography<br>J. Zalameda, W. Winfree, and M. Horne<br>Published in July 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190000884.pdf\" rel=\"noopener\">Detection of Damage During Quasi-Static Loading of a Single Stringer Panel Using Passive Thermography and Acoustic Emission<\/a><br>J. Zalameda, W. Winfree, and M. Horne<br>Published in June 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180004395.pdf\" rel=\"noopener\">From S-N to the Paris Law with a New Mixed-Mode Cohesive Fatigue Model<\/a><br>Carlos G. Davila<br>Published in June 2018<\/p>\n\n\n\n<p>Rapid Tools for an AFP Manufacturing Defects Assessment Framework<br>Luis G. Bahamonde Jacome, Mazen A. Albazzan, Pierre L. Chevalier, Zafer Gurdal, Brian F. Tatting, Ramy Harik<br>Published in May 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006311.pdf\" rel=\"noopener\">Real Time Detection of Damage During Quasi-Static Loading of a Single Stringer Panel using Passive Thermography<\/a><br>Joseph Zalameda and Michael Horne<br>Published in April 2018<\/p>\n\n\n\n<p>Development of a Verification and Validation Approach for Composite Progressive Damage and Failure Analysis Methods<br>Brian Justusson, Joseph Schaefer, Imran Hyder, Steve Wanthal, Alex Selvarathinam, Jason Action, Steve Engelstad, Frank Leone, Cheryl Rose, Carlos Davila<br>Published in April 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190000435.pdf\" rel=\"noopener\">Analysis of Progressive Damage in Cross-Ply and Quasi-Isotropic Panels Subjected to Quasi-Static Indentation<\/a><br>K. Song, Frank A. Leone, Cheryl A. Rose<br>Published in January 2018<\/p>\n\n\n\n<p>Continuum Damage Mechanics Models for the Analysis of Progressive Damage in Cross-Ply and Quasi-Isotropic Panels Subjected to Static Indentation<br>Kyongchan Song, Frank Leone, Cheryl Rose<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190000439.pdf\" rel=\"noopener\">Development of a Mesoscale Finite Element Constitutive Model for Fiber Kinking<\/a><br>A. Bergan, M. Herraez, C. Gonzalez, C. Lopes<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170001319.pdf\" rel=\"noopener\">Near Real-Time Probabilistic Damage Diagnosis Using Surrogate Modeling and High Performance Computing<\/a><br>James E. Warner, Mohammad Zubair, Desh Ranjan<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006194.pdf\" rel=\"noopener\">A Dual Spring Modeling Approach for Static and Fatigue Failure Assessments of Carbon\/Epoxy Composite Sub-Elements<\/a><br>Xiaodong Cui, Xiang Ren, Phillip Liu, Jim Lua, Prabhakar Rao, Matthew Mordasky, Mark Gurvich<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006193.pdf\" rel=\"noopener\">Simulating the Clamped Tapered Beam Specimen Under Quasi-Static and Fatigue Loading using Floating Node<\/a><br>B.R. Sescadri, N. de Carvalho, J.G. Ratcliffe, Gerald E. Mabson, Lyle Deobald<br>Published in January 2018<\/p>\n\n\n\n<p>Validation of a Discrete Damage Mechanics Methodology Using the Static and Fatigue Behavior of Carbon\/Epoxy Tapered Specimens<br>Prabhakar M. Rao, Matthew D. Mordasky, Mark R. Gurvich, Nelson De Carvalho, Banavara Seshadri, James G. Ratcliffe<br>Published in January 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C18 PDA)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170010326.pdf\" rel=\"noopener\">Assessment of Intralaminar Progressive Damage and Failure Analysis Methods Using an Efficient Evaluation Framework<\/a><br>Imran Hyder, Joseph D. Schaefer, Brian P. Justusson, Steven Wanthal, Frank A. Leone, Cheryl A. Rose<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170010325.pdf\" rel=\"noopener\">In-Situ Observations of Longitudinal Compression Damage in Carbon-Epoxy Cross Ply Laminates Using Fast Synchrotron Radiation Computed Tomography<\/a><br>Andrew Bergan and Serafina Garcea<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170010328.pdf\" rel=\"noopener\">Material Characterization for the Analysis of Skin\/Stiffener Separation<\/a><br>Carlos G. D\u00e1vila, Frank Leone, Kyong Song, James Ratcliffe, Cheryl Rose<br>Published in October 2017<\/p>\n\n\n\n<p>Microscale Investigation of Transverse Tensile Failure of Fiber-Reinforced Polymer Composites<br>Caitlin M. Arndt, Jacob D. Hochhalter, Nelson V. De Carvalho, Michael W. Czabaj<br>Published in October 2017<\/p>\n\n\n\n<p>Predicting Skin\/Stiffener Separation in Three-Point Bend Specimens<br>Frank Leone, Nelson De Carvalho, Kyong Song, Carlos G. D\u00e1vila, Wade Jackson, William Johnston, Cheryl Rose<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170010324.pdf\" rel=\"noopener\">Simulating Matrix Crack and Delamination Interaction in a Clamped Tapered Beam <\/a><br>N.V. de Carvalho, B.R. Seshadri, L.R. Deobald, G.E. Mabson, J.G. Ratcliffe and T.K. O\u2019Brien<br>Published in October 2017<\/p>\n\n\n\n<p>Verification and Validation of Progressive Damage Analysis Methods for Explicit Analysis of Progressive Delamination<br>Alex Selvarathinam, Jason Action, Brian Justusson<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170010327.pdf\" rel=\"noopener\">Verification and Validation Process for Progressive Damage and Failure Analysis Methods in the NASA Advanced Composites Consortium<\/a><br>Steven Wanthal, Joseph Schaefer, Brian Justusson, Imran Hyder, Stephen Engelstad, Cheryl Rose<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170011484.pdf\" rel=\"noopener\">Guidelines for VCCT-based Interlaminar Fatigue and Progressive Failure Finite Element Analysis<\/a><br>Lyle R. Deobald, Gerald E. Mabson, Steve Engelstad, M. Prabhakar Rao, Mark Gurvich, Waruna Seneviratne, Shenal Perera, T. Kevin O\u2019Brien, Gretchen Murri, James Ratcliffe, Carlos Davila, Nelson Carvalho, Ronald Krueger<br>Published in September 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170009608.pdf\" rel=\"noopener\">Multiscale Fiber Kinking: Computational Micromechanics and a Mesoscale Continuum Damage Mechanics Models<\/a><br>Miguel Herr\u00e1ez, Andrew Bergan, Carlos Gonz\u00e1lez, Claudio Lopes<br>Published in September 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170007397.pdf\" rel=\"noopener\">Damage Simulation in Composite Materials: Why It Matters and What Is Happening Currently at NASA in This Area<\/a><br>McElroy, Mack; de Carvalho, Nelson; Estes, Ashley; Lin, Shih-yung<br>Published in August 2017<\/p>\n\n\n\n<p>Searching for Run-Time Efficient Approaches to Delamination Growth Predictions in Composites<br>R. Krueger, N. V. de Carvalho, and M. Sasdelli<br>Published in June 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190025848.pdf\" rel=\"noopener\">Fatigue Life and Damage Tolerance of Postbuckled Composite Stiffened Structures with Indentation Damage<\/a><br>D\u00e1vila, C. G., and Bisagni, C.,<br>Published in June 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0263822316317925\" rel=\"noopener\">Fatigue Life and Damage Tolerance of Postbuckled Composite Stiffened Structures with Initial Delamination<\/a><br>Davila, Carlos G.; Bisagni, Chiara<br>Published in Febuary 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170001032.pdf\" rel=\"noopener\">Fracture-Based Mesh Size Requirements for Matrix Cracks in Continuum Damage Mechanics Models<\/a><br>Leone, Frank A.; Davila, Carlos G.; Mabson, Gerald E.; Ramnath, Madhavadas; Hyder, Imran<br>Published in January 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170001319.pdf\" rel=\"noopener\">Near Real-Time Probabilistic Damage Diagnosis Using Surrogate Modeling and High Performance Computing<\/a><br>Warner, James E.; Zubair, Mohammad; Ranjan, Desh<br>Published in January 2017<\/p>\n\n\n\n<p><a><\/a><strong>2016 (2C18 PDA)<\/strong><\/p>\n\n\n\n<p>Establishing Mesh Size Requirements for the Prediction of Matrix Cracks in Continuum Damage Mechanics Models<br>Leone FA, Davila CG, Mabson GE, Madhavadas R, Hyder I<br>Published in 2016<\/p>\n\n\n\n<p>Modeling Fatigue Damage Progression and Onset in Composites Using an Element-Based Virtual Crack Closure Technique Combined with the Floating Node Method<br>N. Carvalho and R. Krueger<br>Published in 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012455.pdf\" rel=\"noopener\">A Computationally-Efficient Inverse Approach to Probabilistic Strain-Based Damage Diagnosis<\/a><br>Warner, James E.; Hochhalter, Jacob D.; Leser, William P.; Leser, Patrick E.; Newman, John A<br>Published in October 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012028.pdf\" rel=\"noopener\">A biaxial-bending test to observe the growth of interacting delaminations in a composite laminate plate<\/a><br>M. McElroy, W. Jackson, M. Pankow<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012045.pdf\" rel=\"noopener\">A Continuum Damage Mechanics Model to Predict Kink-Band Propagation Using Deformation Gradient Tensor Decomposition<\/a><br>Bergan, A. C., and Leone Jr., F. A.,<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012238.pdf\" rel=\"noopener\">A Modified Edge Crack Torsion Test for Measurement of Mode III Fracture Toughness of Laminated Tape Composites<\/a><br>Czabaj, M.W., Davidson, B.D., and Ratcliffe, J.G.,<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012031.pdf\" rel=\"noopener\">In Search of a Time Efficient Approach to Crack and Delamination Growth Predictions in Composites <\/a><br>Ronald Krueger and Nelson Carvalho<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012041.pdf\" rel=\"noopener\">Plasticity Tool for Predicting Shear Nonlinearity of Unidirectional Laminates under Multiaxial Loading<\/a><br>Wang, J., and Bomarito, G.<br>Published in September 2016<\/p>\n\n\n\n<p>A Mode I cohesive law characterization procedure for through-the-thickness crack propagation in composite laminates<br>Bergan, A., D\u00e1vila, C., Leone, F., Awerbuch, J., and Tan, T.-M.,<br>Published in June 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160010546.pdf\" rel=\"noopener\">An enriched shell finite element for progressive damage simulation in composite laminates<\/a><br>Mark W. McElroy<br>Published in June 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160010143.pdf\" rel=\"noopener\">Fatigue Life of Postbuckled Structures with Indentation Damage<\/a><br>D\u00e1vila, C. G., and Bisagni, C.,<br>Published in June 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160010007.pdf\" rel=\"noopener\">Large Area Nondestructive Evaluation of a Fatigue Loaded Composite Structure<\/a><br>Zalameda, Joseph N.; Burke, Eric R.; Horne, Michael R.; Madaras, Eric I.<br>Published in June 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160009062.pdf\" rel=\"noopener\">Combining Passive Thermography and Acoustic Emission for Large Area Fatigue Damage Growth Assessment of a Composite Structure<\/a><br>Zalameda, Joseph N.; Horne, Michael R.; Madaras, Eric I.; Burke, Eric R.<br>Published in April 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007759.pdf\" rel=\"noopener\">Face Sheet\/Core Disbonding in Sandwich Composite Components: A Road Map to Standardization: Test Method Development<\/a><br>Ratcliffe, James; Krueger, Ronald<br>Published in March 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007761.pdf\" rel=\"noopener\">Facesheet\/Core Disbond Growth in Honeycomb Sandwich Panels Subjected to Ground-Air-Ground Pressurization and In-Plane Loading<\/a><br>Chen, Zhi M.; Krueger, Ronald; Rinker, Martin<br>Published in March 2016<\/p>\n\n\n\n<p>Why should the flying public be interested in structures and materials research?<br>R. Krueger<br>Published in March 2016<\/p>\n\n\n\n<p>Fatigue Life and Damage Tolerance of Postbuckled Stiffened Structures with Initial Delamination<br>D\u00e1vila, C. G., and Bisagni, C.,<br>Published in January 2016<\/p>\n\n\n\n<p><a><\/a><strong>2015 (2C18 PDA)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/www.nafems.org\/community\/working-groups\/composites\/downloads\/\" rel=\"noopener\">Development of Benchmark Examples for the Assessment of Quasi-static Delamination Propagation Capabilities<\/a><br>R. Krueger<br>Published in 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0263822315006261\" rel=\"noopener\">A Thermodynamically Consistent Discontinuous Galerkin Formulation for Interface Separation<\/a><br>Versino, D., Mourad, H.M., D\u00e1vila, C.G., and Addessio, F.L.<br>Published in December 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359835X15002973\" rel=\"noopener\">Simulation of delamination-migration and core crushing in a CFRP sandwich structure<\/a><br>McElroy M, Leone F. A, Ratcliffe J, Czabaj M, Yuan F-Y.<br>Published in December 2015<\/p>\n\n\n\n<p>Peridynamic Modeling of Delamination Growth in Composite Laminates<br>Hu, Y. L.; De Carvalho, N. V.; Madenci, E.<br>Published in November 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160006583.pdf\" rel=\"noopener\">Modeling Delamination Migration: Quasi-Static and Fatigue Loading<\/a><br>De Carvalho, N. V. ; Chen, B. Y.; Ratcliffe, J. G.; Pinho, S. T.; Baiz, P.; Tay, T. E.<br>Published in October 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160006284.pdf\" rel=\"noopener\">An Enriched Shell Element for Delamination Simulation in Composite Laminates<\/a><br>McElroy, M.<br>Published in September 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160006280.pdf\" rel=\"noopener\">Damage Instability and Transition from Quasi-Static to Dynamic Fracture<\/a><br>D\u00e1vila, C.G.<br>Published in September 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359835X15002134\" rel=\"noopener\">Deformation gradient tensor decomposition for representing matrix cracks in fiber-reinforced materials<\/a><br>Leone F. A.<br>Published in September 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359836815001651\" rel=\"noopener\">Progressive Damage Analysis as a Design Tool for Composite Bonded Joints<\/a><br>Leone, F.A., D\u00e1vila, C.G., and Girolamo, D.<br>Published in August 2015<\/p>\n\n\n\n<p>The Virtual Crack Closure Technique for Modelling Interlaminar Failure and Delamination in Advanced Composite Materials<br>R. Krueger<br>Published in August 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160006096.pdf\" rel=\"noopener\">Cohesive Laws for Analyzing Through-Crack Propagation in Cross Ply Laminates<\/a><br>Bergan, A., and D\u00e1vila, C.G.<br>Published in July 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160006095.pdf\" rel=\"noopener\">Representing Matrix Cracks through Decomposition of the Deformation Gradient Tensor in Continuum Damage Mechanics Methods<\/a><br>Leone F. A.<br>Published in July 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007045.pdf\" rel=\"noopener\">Face Sheet\/Core Disbond Growth in Honeycomb Sandwich Panels Subjected to Ground-Air-Ground Pressurization and In-Plane Loading<\/a><br>Z. M. Chen, R. Krueger, and M. Rinker<br>Published in June 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007429.pdf\" rel=\"noopener\">An Analysis Methodology to Predict Damage Propagation in Notched Composite Fuselage Structures<\/a><br>Bergan, A., D\u00e1vila, C.G., Leone, F.A., Awerbuch, J., and Tan, T.-M.<br>Published in May 2015<\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150010963.pdf\" rel=\"noopener\">Real Time Fatigue Damage Growth Assessment of a Composite Three-Stringer Panel Using Passive Thermography<\/a><br>Zalameda, Joseph N.; Burke, Eric R.; Horne, Michael R.; Bly, James B.<br>Published in April 2015<\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150006866.pdf\" rel=\"noopener\">Cohesive Laws and Progressive Damage Analysis of Composite Bonded Joints, a Combined Numerical\/Experimental Approach<\/a><br>Girolamo, Donato; Davila, Carlos G.; Leone, Frank A.; Lin, Shih-Yung<br>Published in January 2015<\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150006850.pdf\" rel=\"noopener\">Effect of Buckling Modes on the Fatigue Life and Damage Tolerance of Stiffened Structures<\/a><br>Davila, Carlos G.; Bisagni, Chiara; Rose, Cheryl A.<br>Published in January 2015<\/p>\n\n\n\n<p><a><\/a><strong>2014 (2C18 PDA)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/full\/10.1177\/0021998314561812\" rel=\"noopener\">A summary of benchmark examples to assess the performance of quasi-static delamination propagation prediction capabilities in finite element codes <\/a><br>R. Krueger<br>Published in December 2014<\/p>\n\n\n\n<p>Unstable Damage Propagation and Static \u2013 Dynamic Transition<br>D\u00e1vila, C.G.<br>Published in November 2014<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150001244.pdf\" rel=\"noopener\">Experimental Evaluation of Fatigue Damage Progression in Postbuckled Single Stringer Composite Specimens<\/a><br>Bisagni, C., D\u00e1vila, C.G., Rose, C.A., and Zalameda, J.N.<br>Published in September 2014<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20140016391.pdf\" rel=\"noopener\">Mode I Cohesive Law Characterization of through-Crack Propagation in a Multidirectional Laminate<\/a><br>Bergan, A.C., D\u00e1vila, C.G., Leone, F.A., Awerbuch, J., and Tan, T.-M.<br>Published in September 2014<\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20140011508.pdf\" rel=\"noopener\">Investigating Delamination Migration in Composite Tape Laminates<\/a><br>Ratcliffe, James G.; De Carvalho, Nelson V.<br>Published in July 2014<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C19 HEDI<\/h2>\n\n\n\n<p><a><\/a><strong>2020 (2C19 HEDI)<\/strong><\/p>\n\n\n\n<p>Mode-I Behavior of Adhesively Bonded Composite Joints at High Loading Rates<br>Suraj Ravindran, Subramani Sockalingam, Karan Kodagali, Addis Kidane, Michael Sutton, Brian Justusson, Jenna Pang<br>Published in 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359836819319407\" rel=\"noopener\">An Improved Plastically Dilatant Unified Viscoplastic Constitutive Formulation for Multiscale Analysis of Polymer Matrix Composites Under High Strain Rate Loading<\/a><br>Sorini, C.; Chattopadhyay, A.; and Goldberg, R.K.<br>Published in March 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20200000653.pdf\" rel=\"noopener\">An Improved Plastically Dilatant Unified Viscoplastic Constitutive Formulation for Multiscale Analysis of Polymer Matrix Composites Under High Strain Rate Loading<\/a><br>Christopher Sorini, Aditi Chattopadhyay, Robert K. Goldberg<br>Published in January 2020<\/p>\n\n\n\n<p>Building Block Approach For Determination of Ballistic Limit of Composite Panels Using Peridynamics<br>Cuenca, F., Weckner, O., Silling, S.<br>Published in January 2020<\/p>\n\n\n\n<p>Development of LS-DYNA MAT261 Material Parameters for Tri-axially Braided Composite Materials<br>David Manan, Jeongho Kim, Gautam Gopinath, Gulperi Aksel, Peter Finnigan, Larry Foster, Rajiv Naik<br>Published in January 2020<\/p>\n\n\n\n<p>Experimental Analysis of Out-of-Plane Iosipescu Shear Testing for IM7\/8552<br>Haluza, R.T., Koudela, K.L., Bakis, C.E., Adams, D., Perl, M., Pereira, J.M.<br>Published in January 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C19 HEDI)<\/strong><\/p>\n\n\n\n<p>A Multiscale, Nonlocal Sub-Laminate Model for Progressive Damage Composite Materials<br>Karan Kodagali, and Subramani Sockalingam<br>Published in 2019<\/p>\n\n\n\n<p>High Strain Rate Response of Adhesively Bonded Fiber-Reinforced Composite Joints: A Computational Study to Guide Experimental Design<br>S. Ravindran, S. Sockalingam, A. Kidane, M. Sutton, B. Justusson, J. Pang<br>Published in 2019<\/p>\n\n\n\n<p>Multiscale Modeling of Adiabatic Heating and Fiber Breakage in Polymer Matrix Composites Subjected to Impact Loading<br>Sorini, C.; Chattopadhyay, A.; and Goldberg, R.K.<br>Published in September 2019<\/p>\n\n\n\n<p>Direction-Dependent Mechanical Properties of a Triaxially Braided Quasi-Isotropic Carbon\/Epoxy Composite<br>Haluza, R.T., Bakis, C.E., Koudela, K.L., and Pereira, J.M.,<br>Published in September 2019<\/p>\n\n\n\n<p>Progressive Damage and Failure Analysis of Bonded Composite Joints at High Energy Dynamic Impacts<br>Akhil Bhasin, Suresh Raju Keshavanarayana, Luis Gomez, Aswini Kona Ravi, Brian P. Justusson, Gerardo Olivares<br>Published in September 2019<\/p>\n\n\n\n<p>Multiscale Computational Model for Polymer Matrix Composites Under Impact Loading, Including Adiabatic Heating Effects<br>Sorini, C.; Chattopadhyay, A.; and Goldberg, R.K.<br>Published in August 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190029596.pdf\" rel=\"noopener\">Through-Thickness Tensile Properties of Triaxial Braided Composites<\/a><br>Jonathan Salem, Christopher Sorini<br>Published in August 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/10.1177\/0021998319865006\" rel=\"noopener\">Implementing deformation, damage, and failure in an orthotropic plastic material model<\/a><br>Shyamsunder, L.; Khaled, B.; Rajan, S.D.; Goldberg, R.K.; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in July 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190026446.pdf\" rel=\"noopener\">Experimental Methods in Materials for Structural Impact Dynamics<\/a><br>Pereira, J.M.<br>Published June 2019<\/p>\n\n\n\n<p>High Energy Impact Test and Analysis Methods Development for Composite Materials at NASA Glenn Research Center<br>Goldberg, R.K.<br>Published in June 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0263822318339916\" rel=\"noopener\">Micromechanical modeling of the effects of adiabatic heating on the high strain rate deformation of polymer matrix composites<\/a><br>Sorini, C.; Chattopadhyay, A.; and Goldberg, R.K.<br>Published in May 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190002253.pdf\" rel=\"noopener\">A Three-Dimensional Thermodynamically Based Function for the Progressive Failure of Unidirectional Composites<\/a><br>H. Sam Huang, Evan J. Pineda, Shaoyu Hou<br>Published in April 2019<\/p>\n\n\n\n<p>High Energy Dynamic Impact Methodology and Outcomes in NASA Advanced Composites Consortium<br>Jeff Iqbal & Gerardo Pen\u0303a<br>Published in March 2019<\/p>\n\n\n\n<p>A Multiscale Nonlocal Progressive Damage Model for Composite Materials<br>Karan Kodagali, and Subramani Sockalingam<br>Published in January 2019<\/p>\n\n\n\n<p>An Improved Unified Viscoplastic Polymer Constitutive Formulation for Multiscale Analysis of Polymer Matrix Composites Under High Strain Rate Loading<br>Sorini, C.; Chattopadhyay, A.; and Goldberg, R.K.<br>Published in January 2019<\/p>\n\n\n\n<p>An Overview of the NASA Advanced Composites Consortium High Energy Dynamic Impact Phase II Technical Path<br>Brian Justusson, Jenna Pang, Matt Molitor, Mostafa Rassaian, Richard Rosman<br>Published in January 2019<\/p>\n\n\n\n<p>Characterizing and Use of MAT162 Material Model for Homogenized Laminates in Impact Analysis<br>Gulperi Aksel, Gautam Gopinath, Megan Ritchey, Larry Foster, Rajiv Naik, J. Michael Pereira<br>Published in January 2019<\/p>\n\n\n\n<p>Determination of Ballistic Limit of Skin-Stringer Panels Using Nonlinear, Strain-Rate Dependent Peridynamics<br>Fernando Cuenca, Olaf Weckner, Stewart A. Silling, and Mostafa Rassaian<br> Published in January 2019<\/p>\n\n\n\n<p>Evaluation of LS-DYNA MAT162 for Modeling Composite Fastener Joints for High Rates of Loading<br>A. Kona, A. Bhasin, L. Gomez, G. Olivares, A. Gomez, S. Keshavanarayana, J. Pang, M. Molitor, and M. Rassaian<br>Published in January 2019<\/p>\n\n\n\n<p>The Use of Depth of Penetration Testing to Develop Element Erosion Parameters in LS-DYNA Explicit Simulations<br>Brian Justusson, Matt Molitor, Jenna Pang, Ryan Michel, Mostafa Rassaian, J. Michael Pereira<br>Published in January 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190004968.pdf\" rel=\"noopener\">Verification and Validation of a Three-Dimensional Composite Impact Model with Tabulated Input<\/a><br>Robert K. Goldberg, Trenton M. Ricks, Kelly S. Carney, Paul DuBois, Bilal Khaled, Loukham Shyamsunder, Subramaniam Rajan, Gunther Blankenhorn<br>Published in January 2019<\/p>\n\n\n\n<p>Verification Benchmarks and Validation of MAT261 for High Energy Dynamic Impact Applications<br>Matthew Molitor, Brian Justusson, Jaffar Iqbal, Alan Byar, Mostafa Rassaian<br>Published in January 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C19 HEDI)<\/strong><\/p>\n\n\n\n<p>Development of a Tabulated Material Model for Composite Material Failure, MAT213 Part 1: Theory, Implementation, Verification & Validation<br>Goldberg, R.K.; Carney, K.S.; DuBois, P.; Hoffarth, C.; Khaled, B.; Hoffarth, C., Kahled, B., Shyamsunder, L., Rajan, S.<br>Published in November 2018<\/p>\n\n\n\n<p>Development of a Tabulated Material Model for Composite Material Failure, MAT213 Part 2: Experimental Tests to Validate the Behavior of T800-F3900 Toray Composite<br>Kahled, B., Shyamsunder, L., Schmidt, N., Hoffarth, C., Rajan, S.<br>Published in November 2018<\/p>\n\n\n\n<p>Development of a Tabulated Material Model for Composite Material Failure, MAT213 Part 3: Implementation of Probabilistic Modeling Capability in the Tabulated Composite Failure Model, MAT213<br>Achstetter, T., Park, C-K., Kan, C-D<br>Published in November 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ascelibrary.org\/doi\/full\/10.1061\/%28ASCE%29AS.1943-5525.0000872\" rel=\"noopener\">Experimental Investigation and Numerical Analysis of the In-Plane Tensile Behavior of a Triaxially Braided Composite with Subcell Modeling Approach<\/a><br>Cater, C.R.; Goldberg, R.K.; Kohlman, L.W.; and Xiao, X.<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190033158.pdf\" rel=\"noopener\">A Nonlocal Progressive Damage Model for Composite Materials<\/a><br>Karan Kodagali, Subramani Sockalingam<br>Published in September 2018<\/p>\n\n\n\n<p>An Overview of NASA ACC Design for Manufacturing & Prediction of Ballistic Limit<br>M Rassaian, S Chishom<br>Published in September 2018<\/p>\n\n\n\n<p>High Rate Testing of Composite Fastener Joints with and without Clamp-up<br>A. Gomez, S. Keshavanarayana, A. Bhasin, A. Kona, L. Castillo, J. Pang, M. Molitor, M. Rassaian<br>Published in September 2018<\/p>\n\n\n\n<p>Multiscale Modeling of the Impact Response of Triaxially Braided Polymer Matrix Composites, Including Effects of Adiabatic Heating<br>Sorini, C.; Chattopadhyay, A.; and Goldberg, R.K.<br>Published in September 2018<\/p>\n\n\n\n<p>Verification Benchmarks and Validation of Advanced Features of MAT261 for High Energy Dynamic Impact Applications<br>Jenna Pang, Matt Molitor, Brian Justusson, Mostafa Rassaian<br>Published in September 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/full\/10.1177\/0021998318793506\" rel=\"noopener\">Damage characterization of composites to support an orthotropic plasticity material model<\/a><br>Khaled, B.; Shyamsunder, L.; Hoffarth, C.; Rajan, S.D.; Goldberg, R.K; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in August 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ascelibrary.org\/doi\/10.1061\/%28ASCE%29AS.1943-5525.0000854\" rel=\"noopener\">Analysis and Characterization of Damage Utilizing a Generalized Composite Material Model Suitable for Impact Problems<\/a><br>Goldberg, R.K.; Carney, K.S.; DuBois, P.; Hoffarth, C.; Khaled, B.; Rajan, S.; and Blankenhorn, G.<br>Published in July 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180004929.pdf\" rel=\"noopener\">Influence of Fiber Volume and Alignment on the Impact Resistance of Braided Carbon Fiber\/Epoxy Composites<\/a><br>Sandi G. Miller, Gary D. Roberts, Paula J. Heimann, Linda S. McCorkle, Richard E. Martin, J. Michael Pereira and Robert K. Goldberg<br>Published in July 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/full\/10.1177\/0021998318786778\" rel=\"noopener\">Implementation of a tabulated failure model into a generalized composite material model<\/a><br>Goldberg, R.K.; Carney, K.S.; DuBois, P.; Hoffarth, C.; Khaled, B.; Shyamsunder, L.; Rajan, S.; and Blankenhorn, G.<br>Published in July 2018<\/p>\n\n\n\n<p>Computational Modeling of Adiabatic Heating in Triaxially Braided Polymer Matrix Composites Subjected to Impact Loading via a Subcell Based Approach<br>Chris Sorini (Arizona State)<br>Published in June 2018<\/p>\n\n\n\n<p>Development and Verification of an Orthotropic Elasto-Plastic Three-Dimensional Model with Tabulated Input Suitable for Use in Composite Impact Problems<br>Goldberg, R.K.; Carney, K.; DuBois, P.; Khaled, B.; Shyamsunder, L.; Hoffarth, C.; Rajan, S.; and Blankenhorn, G.<br>Published in June 2018<\/p>\n\n\n\n<p>Generating Experimental Data for a Three-Dimensional Generalized Composite Material Model<br>Khaled, B.; Holt, N.; Shyamsunder, L.; Hoffarth, C.; Rajan, S.D.; Goldberg, R.K; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in June 2018<\/p>\n\n\n\n<p>Using Mat213 for Simulation of High Speed Impacts of Composite Structures<br>Shyamsunder, L.; Khaled, B.; Hoffarth, C.; Rajan, S.D.; Goldberg, R.K; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in June 2018<\/p>\n\n\n\n<p>High Strain Rate Response of Adhesively Bonded Fiber-Reinforced Composite Joints: A Computational Study to Guide Experimental Design<br>Suraj Ravindran, Subramani Sockalingam, Addis Kidane, Michael Sutton, Brian Justusson, Jenna Pang<br>Published in June 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180003331.pdf\" rel=\"noopener\">An Overview of NASA ACC High Energy Dynamic Impact Methodology for Prediction of Ballistic Limit<\/a><br>Mostafa Rassaian, Matthew E. Melis, J. Michael Pereira, Jenna Pang, Brian Justusson<br>Published in April 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190004935.pdf\" rel=\"noopener\">Comparison of Impact Damage from Spin Pit and Flat Panel Gas Gun Testing<\/a><br>Vanderklock, A., Dorer, J., DuTour, R., Stamm, A., Hu, E., Pereira, J.M., Roberts, G.D., Goldberg, R.K., Xiao, X.<br>Published in April 2018<\/p>\n\n\n\n<p>Development and Verification of an Orthotropic Three-Dimensional Model with Tabulated Input Suitable for Use in Composite Impact Problems<br>Dr. Robert Goldberg, Dr. Kelly Carney, Mr. Paul DuBois, Mr. Canio Hoffarth, Dr. Bilal Khaled, Mr. Loukham Shyamsunder, Dr. Subramaniam Rajan and Dr. Gunther Blankenhorn<br>Published in April 2018<\/p>\n\n\n\n<p>Effects of Adiabatic Heating on the High Strain Rate Deformation Response of Triaxially Braided Polymer Matrix Composites<br>Sorini, C.; Chattopadhyay, A.; and Goldberg, R.K.<br>Published in April 2018<\/p>\n\n\n\n<p>Experimental Techniques for Material Characterization of Composites for Modeling Impact Analysis<br>Dr. Bilal Khaled, Mr. Canio Hoffarth, Mr. Loukham Shyamsunder, Dr. Subramaniam Rajan, Dr. Robert Goldberg, Dr. Kelly Carney, Mr. Paul DuBois and Dr. Gunther Blankenhorn<br>Published in April 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0263822317324972\" rel=\"noopener\">Multiscale investigation of micro-scale stresses at composite laminate free edge<\/a><br>Cater, C.R.; Xiao, X.; Goldberg, R.K.; and Gong, X.<br>Published in April 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0734743X17304700\" rel=\"noopener\">An experimental investigation into the high velocity impact responses of S2-glass\/SC15 epoxy composite panels with a gas gun<\/a><br>Vanderklock, A., Stamm, A., Dorer, J., Hu, E., Auvenshine, M., Pereira, J.M., Xiao, X.<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006198.pdf\" rel=\"noopener\">Comparison of Test Methods to Determine Failure Parameters for MAT162 Calibration<\/a><br>Matthew Molitor, Brian Justusson, Mostafa Rassaian, Jenna Pang<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006199.pdf\" rel=\"noopener\">Determination of Ballistic Limit for IM7\/8552 Using LS-DYNA MAT 261<\/a><br>Alan D. Byar, Jenna K. Pang, Jeff Iqbal, Jeff Ko, Mostafa Rassaian<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006200.pdf\" rel=\"noopener\">Determination of Ballistic Limit for IM7\/8552 Using Peridynamics<\/a><br>Fernando Cuenca, Olaf Weckner, Stewart Silling, Jenna Pang, Mostafa Rassaian<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180001239.pdf\" rel=\"noopener\">Development and Application of a Tool for Optimizing Composite Matrix Viscoplastic Material Parameters<\/a><br>Murthy, Pappu L. N., Naghipour Ghezeljeh, Paria, Bednarcyk, Brett A.<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180002199.pdf\" rel=\"noopener\">Dynamic Impact Testing and Model Development in Support of NASA\u2019s Advanced Composite Program<\/a><br>Matthew E. Melis, J. Michael Pereira, Robert Goldberg, Mostafa Rassaian<br>Published in January 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180004616.pdf\" rel=\"noopener\">NASA ACC High Energy Dynamic Impact Methodology and Outcomes<\/a><br>Kenneth J. Hunziker, Jenna K. Pang, Matthew E. Melis, J. Michael Pereira, Mostafa Rassaian<br>Published in January 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C19 HEDI)<\/strong><\/p>\n\n\n\n<p>Incorporation of Failure Into an Orthotropic Three-Dimensional Model With Tabulated Input Suitable for Use in Composite Impact Problems<br>Shyamsunder, L.; Rajan, S.; and Blankenhorn, G.<br>Published in 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170008738.pdf\" rel=\"noopener\">Effects of Adiabatic Heating on the High Strain Rate Deformation of Polymer Matrix Composites<\/a><br>Sorini, C.; Chattopadhyay, A.; Goldberg, R<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170008800.pdf\" rel=\"noopener\">Development of an Input Suite for an Orthotropic Composite Material Model<\/a><br>Hoffarth, Canio; Shyamsunder, Loukham; Khaled, Bilal; Rajan, Subramaniam; Goldberg, Robert K.; Carney, Kelly S.; Dubois, Paul; Blankenhorn, Gunther<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170008799.pdf\" rel=\"noopener\">Implementation of a Tabulated Failure Model Into a Generalized Composite Material Model Suitable for Use in Impact Problems<\/a><br>Goldberg, Robert K.; Carney, Kelly S.; Dubois, Paul; Hoffarth, Canio; Khaled, Bilal; Shyamsunder, Loukham; Rajan, Subramaniam; Blankenhorn, Gunther<br>Published in October 2017<\/p>\n\n\n\n<p>Multiscale Investigation of Micro-Cracking at Composite Laminate Free Edge<br>Cater, C.R.; Xiao, X.; Goldberg, R.K.; and Gong, X.<br>Published in October 2017<\/p>\n\n\n\n<p>NASA ACC High Energy Dynamic Impact Analysis and Testing Overview<br>Rassaian, M., Pang, J., Hunziker, K.<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/10.1177\/0021998317733319\" rel=\"noopener\">Experimental characterization of composites to support an orthotropic plasticity material model<\/a><br>Khaled, B.; Shyamsunder, L.; Hoffarth, C.; Rajan, S.D.; Goldberg, R.K; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in September 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ascelibrary.org\/doi\/10.1061\/%28ASCE%29AS.1943-5525.0000737\" rel=\"noopener\">Using Virtual Tests to Complete the Description of a Three-Dimensional Orthotropic Material<\/a><br>Joseph Harrington, Canio Hoffarth, Subramaniam Rajan, goldberg, carney, dubois, blankenhorn<br>Published in Septemer 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ascelibrary.org\/doi\/abs\/10.1061\/%28ASCE%29AS.1943-5525.0000737\" rel=\"noopener\">Using Virtual Tests to Complete the Description of a Three-Dimensional Orthotropic Material<\/a><br>Harrington, J.; Hoffarth, C.; Rajan, S.; Goldberg, R.; Carney, K.; DuBois, P.; and Blankenhorn, G.<br>Published in September 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170007292.pdf\" rel=\"noopener\">A Compilation of MATLAB Scripts and Functions for MACGMC Analyses<\/a><br>Murthy, Pappu L. N.; Bednarcyk, Brett A.; Mital, Subodh K.<br>Published in July 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170008105.pdf\" rel=\"noopener\">Development of Structural Energy Storage for Aeronautics Applications<\/a><br>Santiago-Dejesus, Diana; Loyselle, Patricia L.; Demattia, Brianne ; Bednarcyk, Brett; Olson, Erik; Smith, Russell ; Hare, David<br>Published in June 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170004667.pdf\" rel=\"noopener\">Incorporation of Failure Into an Orthotropic Three-Dimensional Model with Tabulated Input Suitable for Use in Composite Impact Problems<\/a><br>Goldberg, Robert K.; Carney, Kelly S.; Dubois, Paul; Hoffarth, Canio; Khaled, Bilal; Shyamsunder, Loukham; Rajan, Subramaniam; Blankenhorn, Gunther<br>Published in May 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170002618.pdf\" rel=\"noopener\">Investigation of Carbon Fiber Architecture in Braided Composites Using X-Ray CT Inspection<\/a><br>Rhoads, Daniel J.; Miller, Sandi G.; Roberts, Gary D.; Rauser, Richard W.; Golovaty, Dmitry; Wilber, J. Patrick; Espanol, Malena I.<br>Published in May 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012342.pdf\" rel=\"noopener\">Structural Design Parameters for Germanium<\/a><br>Salem, Jon; Rogers, Richard; Baker, Eric<br>Published in May 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170002625.pdf\" rel=\"noopener\">Micromechanics of Composite Materials Governed by Vector Constitutive Laws<\/a><br>Bednarcyk, Brett A.; Aboudi, Jacob; Arnold, Steven M.<br>Published in May 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/www.mdpi.com\/2079-6439\/5\/1\/12\" rel=\"noopener\">Verification and Validation of a Three-Dimensional Orthotropic Plasticity Constitutive Model Using a Unidirectional Composite<\/a><br>Hoffarth, C.; Khaled, B.; Shyamsunder, L.;  Rajan, S.; Goldberg, R.K.; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in May 2017<\/p>\n\n\n\n<p><a><\/a><strong>2016 (2C19 HEDI)<\/strong><\/p>\n\n\n\n<p>Development of an Orthotropic Elasto-Plastic Generalized Composite Material Model Suitable for Impact Problems<br>Goldberg, R.K.; Carney, K.S.; DuBois, P.; Hoffarth, C.; Harrington, J; Rajan, S.; and Blankenhorn, G.<br>Published in 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359835X16303517\" rel=\"noopener\">Implementation and validation of a three-dimensional plasticity-based deformation model for orthotropic composites<\/a><br>Hoffarth, C.; Rajan, S.D.; Goldberg, R.K.; Revilock, D.; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in December 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160014805.pdf\" rel=\"noopener\">Revisiting of Multiscale Static Analysis of Notched Laminates Using the Generalized Method of Cells<\/a><br>Naghipour Ghezeljeh, Paria; Arnold, Steven M.; Pineda, Evan J.<br>Published in December 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160013861.pdf\" rel=\"noopener\">Mechanical Model Development for Composite Structural Supercapacitors<\/a><br>Ricks, Trenton M.; Lacy, Thomas E., Jr.; Santiago, Diana; Bednarcyk, Brett A.<br>Published in November 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170001413.pdf\" rel=\"noopener\">ASTM Committee C28: International Standards for Properties and Performance of Advanced Ceramics, Three Decades of High-quality, Technically-rigorous Normalization<\/a><br>Jenkins, Michael G.; Salem, Jonathan A.<br>Published in October 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170001285.pdf\" rel=\"noopener\">Analysis and Characterization of Damage and Failure Utilizing a Generalized Composite Material Model Suitable for Use in Impact Problems<\/a><br>Goldberg, R.K.; Carney, K.; DuBois, P.; Khaled, B.; Hoffarth, C.; Rajan, S.; and Blankenhorn, G.<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/full\/10.1177\/0021998316668569\" rel=\"noopener\">Fatigue Analysis of Notched Laminates: A time-efficient macro-mechanical approach<\/a><br>Naghipour P, Pineda E.J, Bednarcyk B.A, Arnold S.M, Waas A.M<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012028.pdf\" rel=\"noopener\">The Effects of Hygrothermal Aging on the Impact Penetration Resistance of Triaxially Braided Composites<\/a><br>Pereira, J.M., Revilock, D.M., Ruggeri, C.R., Roberts., G.D., Kohlman, L.W., Miller, S.G.<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160010559.pdf\" rel=\"noopener\">Multiscale Static Analysis of Notched and Unnotched Laminates Using the Generalized Method of Cells<\/a><br>Naghipour Ghezeljeh, Paria; Arnold, Steven M.; Pineda, Evan J.; Stier, Bertram; Hansen, Lucas; Bednarcyk, Brett A.; Waas, Anthony M.<br>Published in August 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160009767.pdf\" rel=\"noopener\">Development of a Subcell Based Modeling Approach for Modeling the Architecturally Dependent Impact Response of Triaxially Braided Polymer Matrix Composites<\/a><br>Sorini, Chris; Chattopadhyay, Aditi; Goldberg, Robert K.; Kohlman, Lee W.<br>Published in July 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012686.pdf\" rel=\"noopener\">Analysis and Testing of a Composite Fuselage Shield for Open Rotor Engine Blade-Out Protection<\/a><br>Pereira, J.M., Emmerling, W.C., Seng, S., Frankenberger, C., Ruggeri, C.R., Revilock, D.M., Carney, K.<br>Published in June 2016<\/p>\n\n\n\n<p>Development of a Subcell Based Modeling Approach for Modeling the Architecturally Dependent Impact Response of Triaxially Braided Polymer Matrix Composites<br>Sorini, C.; Chattopadhyay, A.; Goldberg, R.K.; and Kohlman, L.W.<br>Published in June 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160014871.pdf\" rel=\"noopener\">Incorporation of Damage and Failure Into an Orthotropic Elasto-Plastic Three-Dimensional Model with Tabulated Input Suitable for Use in Composite Impact Problems<\/a><br>Goldberg, R.K.; Carney, K.S.; DuBois, P.; Hoffarth, C.; Khaled, B.; Rajan, S.; and Blankenhorn, G.<br>Published in June 2016<\/p>\n\n\n\n<p>Multiscale Analysis of Micro-Scale Stresses At The Laminate Free Edge<br>Cater, C.; Goldberg, R.K.; and Xiao, X.<br>Published in June 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/full\/10.1177\/0021998316651708\" rel=\"noopener\">Multiscale Static Analysis of Notched and Un-notched Laminates using the Generalized Method of Cells<\/a><br>Naghipour P, Arnold S.M, Pineda E.J, Stier B, Hansen L, Bednarcyk B.A, Waas A.M<br>Published in June 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160014872.pdf\" rel=\"noopener\">Using Tabulated Experimental Data to Drive an Orthotropic Elasto-Plastic Three Dimensional Model for Impact Analysis<\/a><br>Hoffarth, C.; Khaled, B.; Rajan, S.D.; Goldberg, R.K; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in June 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160010260.pdf\" rel=\"noopener\">Analysis and Characterization of Damage Utilizing an Orthotropic Generalized Composite Material Model Suitable for Use in Impact Problems<\/a><br>Goldberg, Robert K.; Carney, Kelly S.; DuBois, Paul; Hoffarth, Canio; Rajan, Subramaniam; Blankenhorn, Gunther<br>Published in April 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160002089.pdf\" rel=\"noopener\">Analysis and Characterization of Damage Utilizing an Orthotropic Generalized Composite Material Model Suitable for Use in Impact Problems<\/a><br>Goldberg, Robert K.; Carney, Kelly S.; DuBois, Paul; Hoffarth, Canio; Rajan, Subramaniam; Blankenhorn, Gunther<br>Published in February 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160010284.pdf\" rel=\"noopener\">Additive Manufacturing and Characterization of Polylactic Acid (PLA) Composites Containing Metal Reinforcements<\/a><br>Kuentz, Lily; Salem, Anton; Singh, M.; Halbig, M. C.; Salem, J. A.<br>Published in January 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160010070.pdf\" rel=\"noopener\">Fatigue Analysis of Notched Laminates: A Time-Efficient Macro-Mechanical Approach<\/a><br>Naghipour, P.; Pineda, E. J.; Bednarcyk, B. A.; Arnold, S. M.; Waas, A. M.<br>Published in January 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160011351.pdf\" rel=\"noopener\">International Standards for Properties and Performance of Advanced Ceramics \u2013 30 years of Excellence<\/a><br>Jenkins; Salem; Helfinstine; Quinn; Gonczy<br>Published in January 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160008687.pdf\" rel=\"noopener\">The EST Model for Predicting Progressive Damage and Failure of Open Hole Bending Specimens<\/a><br>Joseph, Ashith P. K.; Waas, Anthony M.; Pineda, Evan J.<br>Published in January 2016<\/p>\n\n\n\n<p><a><\/a><strong>2015 (2C19 HEDI)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150023055.pdf\" rel=\"noopener\">Dynamic Open-Rotor Composite Shield Impact Test Report<\/a><br>Seng; Frankenberger; Ruggeri; Revilock; Pereira; Carney; Emmerling<br>Published in November 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150021507.pdf\" rel=\"noopener\">Ballistic and Cyclic Rig Testing of Braided Composite Fan Case Structures<\/a><br>Watson, William R.; Roberts, Gary D.; Pereira, J. Michael; Braley, Michael S.<br>Published in October 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160006279.pdf\" rel=\"noopener\">3D Progressive Damage Modeling for Laminated Composites Based on Crack Band Theory and Continuum Damage Mechanics<\/a><br>Wang, J.T., Pineda, E.J., Ranatunga, P.V. and Smeltzer, S. S.<br>Published in September 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0020768315002358\" rel=\"noopener\">Analysis of Fiber Clustering in Composite Materials Using High-Fidelity Multiscale Micromechanics<\/a><br>Bednarcyk, Brett A.; Aboudi, Jacob; Arnold, Steven M.<br>Published in September 2015<\/p>\n\n\n\n<p>Computationally Efficient Solution of the High-Fidelity Generalized Method of Cells Micromechanics Relations<br>Ricks, T.M., Lacy, T.E., Pineda, E.J., Bednarcyk, B.A., and Arnold, S.M.<br>Published in September 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150023035.pdf\" rel=\"noopener\">Experimental and Numerical Analysis of Triaxially Braided Composites Utilizing a Modified Subcell Modeling Approach<\/a><br>Cater, C.; Xiao, X.; Goldberg, R.K.; and Kohlman, L.W.<br>Published in September 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150022116.pdf\" rel=\"noopener\">Incorporation of Plasticity and Damage Into an Orthotropic Three-Dimensional Model With Tabulated Input Suitable for Use in Composite Impact Problems<\/a><br>Goldberg, R.K.; Carney, K.; DuBois, P.; Hoffarth, C.; Rajan, S.; and Blankenhorn, G.<br>Published in September 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ascelibrary.org\/doi\/abs\/10.1061\/%28ASCE%29AS.1943-5525.0000445\" rel=\"noopener\">Single and Multi-ply Braided Composite Response Predictions using Modified Subcell Approach<\/a><br>Cater, C.R.; Xiao, X.; Goldberg, R.K.; and Kohlman, L.W.<br>Published in September 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150019390.pdf\" rel=\"noopener\">Incorporation of Plasticity and Damage Into an Orthotropic Three-Dimensional Model With Tabulated Input For Use in Composite Impact Problems<\/a><br>Goldberg, R.K.; Carney, K.S.; DuBois, P.; Hoffarth, C.; Rajan, S.; and Blankenhorn, G<br>Published in August 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150015947.pdf\" rel=\"noopener\">Analysis of Fiber Clustering in Composite Materials Using High-Fidelity Multiscale Micromechanics<\/a><br>Bednarcyk, Brett A.; Aboudi, Jacob; Arnold, Steven M.<br>Published in July 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160001347.pdf\" rel=\"noopener\">Experimental and Numerical Analysis of Triaxially Braided Composites Utilizing a Modified Subcell Modeling Approach<\/a><br>Cater, C.; Xiao, X.; Goldberg, R.K.; and Kohlman, L.W.<br>Published in June 2015<\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150010216.pdf\" rel=\"noopener\">Investigation of Micro-Scale Architectural Effects on Damage of Composites<\/a><br>Stier, Bertram; Bednarcyk, Brett A.; Simon, Jaan W.; Reese, Stefanie<br>Published in May 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150010714.pdf\" rel=\"noopener\">Development and Characterization of a Rate-Dependent Three-Dimensional Macroscopic Plasticity Model Suitable for Use in Composite Impact Problems<\/a><br>Goldberg, R.K.; Carney, K.S.; DuBois, P.; Hoffarth, C.; Rajan, S.; and Blankenhorn, G.<br>Published in April 2015<\/p>\n\n\n\n<p>Multiscale Static Analysis of Notched and Un-notched Laminates using the Generalized Method of Cells<br>Naghipour, P., Pineda, E.J., Hansen, L.R., Stier, B., Arnold, S.M., Bednarcyk, B.A., and Waas, A.M.<br>Published in January 2015<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150010723.pdf\" rel=\"noopener\">Microstructural Influence on Deformation and Fatigue Life of Composites Using the Generalized Method of Cells<\/a><br>Arnold, S.M., Murthy, P.L.M., Bednarcyk, B.A., and Pineda, E.J.<br>Published in January 2015<\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150000901.pdf\" rel=\"noopener\">Verification and Validation of a Three-Dimensional Generalized Composite Model<\/a><br>Hoffarth, Canio; Harrington, Joseph; Rajan, Subramaniam D.; Goldberg, Robert K.; Carney, Kelly S.; DuBois, Paul; Blankenhorn, Gunther<br>Published in January 2015<\/p>\n\n\n\n<p><a><\/a><strong>2014 (2C19 HEDI)<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20140017766.pdf\" rel=\"noopener\">Theoretical Development of an Orthotropic Elasto-Plastic Generalized Composite Material Model<\/a><br>Goldberg, Robert; Carney, Kelly; DuBois, Paul; Hoffarth, Canio; Harrington, Joseph; Rajan, Subramaniam; Blankenhorn, Gunther<br>Published in August 2014<\/p>\n\n\n\n<p>Development and Characterization of an Orthotropic Three-Dimensional Macroscopic Plasticity Model Suitable for Use in Composite Impact Problems<br>Goldberg, R.K.; Carney, K.S.; DuBois, P.; Hoffarth, C.; Harrington, J; Rajan, S.; and Blankenhorn, G.<br>Published in June 2014<\/p>\n\n\n\n<p>Modeling Meso Structure of Triaxially Braided Composites with a Subcell Approach<br>Cater, C.; Xiao, X.; Khademi, V.; Goldberg, R.K.; and Kohlman, L.W.<br>Published in June 2014<\/p>\n\n\n\n<p>Verification and Validation of a Three-Dimensional Generalized Composite Material Model<br>Hoffarth, C.; Harrington, J.; Rajan, S.D.; Goldberg, R.K; Carney, K.S.; DuBois, P.; and Blankenhorn, G.<br>Published in June 2014<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C20 Rapid Tools<\/h2>\n\n\n\n<p><a><\/a><strong>2020 (2C20 Rapid Tools)<\/strong><\/p>\n\n\n\n<p>Efficient Framework for Coupled Analysis of Impact Damage and Compression-After-Impact Strength of Composite Laminates<br>Luke Borkowski, Rajesh S. Kumar, Upul R. Palliyaguru<br>Published in 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/arc.aiaa.org\/doi\/abs\/10.2514\/6.2020-0726\" rel=\"noopener\">Mechanics-Based Modeling Approach for Rapid Prediction of Low Velocity Impact Damage in Composite Laminates<\/a><br>Luke Borkowski and Rajesh Kumar<br>Published in January 2020<\/p>\n\n\n\n<p>Unified Analysis of Aerospace Structures Through Implementation of Rapid Tools into a Stress Framework<br>Craig S. Collier<br>Published in January 2020<\/p>\n\n\n\n<p>Verification, Validation, and Limits of Applicability of a Rapid Bonded Joint Analysis Tool<br>Stephen P. Jones, Bertram Stier, Brett A. Bednarcyk, Evan J. Pineda, Upul R. Palliyaguru<br>Published in January 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C20 Rapid Tools)<\/strong><\/p>\n\n\n\n<p>Rapid Design Tool for Delamination Modeling in Composite Laminates with Plydrops<br>Voleti Sreenivasa and Rajesh Kumar<br>Published in June 2019<\/p>\n\n\n\n<p>Investigation of Stiffening Effects on Notch Growth Trajectory of Composite Stiffened Panels with Large Transverse Notches<br>Patrick Enjuto, Mark Lobo, Tomas H. Walker, Gerardo Pena, Eric Cregger, and Steven Wanthal<br>Published in January 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C20 Rapid Tools)<\/strong><\/p>\n\n\n\n<p>Automated Fiber Placement Defects: Rapid Online Assessment Tool<br>L Bahamonde, M AlBazzan, Z Gurdal, B Tatting, R Harik<br>Published in May 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0263822317326703\" rel=\"noopener\">Inverse Method for Estimation of Composite Kink-Band Toughness from Open-Hole Compression Strength Data<\/a><br>Luke Borkowski, Rajesh S. Kumar<br>Published in February 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006195.pdf\" rel=\"noopener\">Investigation of Stiffening and Curvature Effects on the Residual Strength of Composite Stiffened Panels with Large Transverse Notches  <\/a><br>Patrick Enjuto; Tom Walker; Mark Lobo; Samuel E. Cregger; Steven P. Wanthal<br>Published in January 2018<\/p>\n\n\n\n<p>Rapid Analysis Method for Composite Compression after Impact Strength Prediction<br>Luke Borkowski, Rajesh S. Kumar<br>Published in January 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C20 Rapid Tools)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170010323.pdf\" rel=\"noopener\">Three-Dimensional High Fideliy Progressive Failure Damage Modeling of NCF Composites<\/a><br>Venkat Aitharaju; Satvir Aashat; Hamid G. Kia; Arunkumar Satyanarayana; Philip B. Bogert<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170007245.pdf\" rel=\"noopener\">Influence of Shear Stiffness Degradation on Crack Paths in Uni-Directional Composite Laminates<\/a><br>Satyanarayana, Arunkumar; Bogert, Phil B.<br>Published in July 2017<\/p>\n\n\n\n<p><strong><a><\/a>2016 (2C20 Rapid Tools)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160014695.pdf\" rel=\"noopener\">Full-Field Reconstruction of Structural Deformations and Loads from Measured Strain Data on a Wing Using the Inverse Finite Element Method<\/a><br>Miller, Eric J.; Manalo, Russel; Tessler, Alexander<br>Published in November 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007665.pdf\" rel=\"noopener\">Imperfection Insensitivity Analyses of Advanced Composite Tow-Steered Shells<\/a><br>Wu, K. Chauncey; Farrokh, Babak; Stanford, Bret K.; Weaver, Paul M.<br>Published in January 2016<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C21 Rapid Inspection<\/h2>\n\n\n\n<p><a><\/a><strong>2020 (2C21 Rapid Inspection)<\/strong><\/p>\n\n\n\n<p>Automated Fiber Placement Defects: Insertion and Post-Cure Assessment<br>Roudy Wehbe, Addis Tessema, Ramy Harik, Brian Tatting, Addis Kidane, Zafer Gurdal<br>Published in May 2020<\/p>\n\n\n\n<p>Ultrasonic Lamb Wave Inspection of Composite Defects<br>Zhaoyun Ma, Lingyu Yu<br>Published in May 2020<\/p>\n\n\n\n<p>Laser Based Rapid Lamb Wave Inspection for Composite Plates<br>Zhaoyun Ma, Lingyu Yu<br>Published in April 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C21 Rapid Inspection)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006282.pdf\" rel=\"noopener\">Current and Future Needs and Research for Composite Materials NDE at NASA<\/a><br>K. E. Cramer<br>Published in November 2019<\/p>\n\n\n\n<p>In Situ Thermal Inspection of Automated Fiber Placement Manufacturing<br>Peter D. Juarez, Elizabeth D. Gregory<br>Published in September 2019<\/p>\n\n\n\n<p>AFP Inspection: An Automated System for Identification and Characterization<br>Christopher Sacco<br>Published in July 2019<\/p>\n\n\n\n<p>Lamb Wave Nondestructive Evaluation on Imaging on Plate-Like Structures<br>Zhaoyun Ma<br>Published in July 2019<\/p>\n\n\n\n<p>A Plausibility Argument for Angular Ultrasonic Scattering in Fiber-Reinforced Composites<br>Pat Johnston<br>Published in July 2019<\/p>\n\n\n\n<p>In Situ Thermographic Process Monitoring During Automated Fiber Placement<br>Peter D. Juarez, Elizabeth D. Gregory<br>Published in July 2019<\/p>\n\n\n\n<p>The Application of Line Scan Thermography Using Multiple Collaborative Robots<br>K. E. Cramer, Daniel F. Perey, Joshua L. Brown<br>Published in June 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190026438.pdf\" rel=\"noopener\">Computational Non-destructive Evaluation Improving Ultrasonic Interrogation of Complex Geometry Composite Parts<\/a><br>V. Hafiychuk, K. Wheeler and K. Gee<br>Published in June 2019<\/p>\n\n\n\n<p>Machine Learning Based AFP Inspection: A Tool for Characterization and Integration<br>Christopher Sacco, Anis Baz Radwan, Tyler Beatty, Ramy Harik<br>Published in May 2019<\/p>\n\n\n\n<p>On Machine Learning in Engineered Materials<br>Christopher Saccoa, Ramy Harika, Elizabeth Gregory<br>Published in April 2019<\/p>\n\n\n\n<p>Challenges and Opportunities in Composites NDE<br>K. E. Cramer<br>Published in April 2019<\/p>\n\n\n\n<p>Progress in Autonomous Inspections Using Collaborative Robots<br>K. E. Cramer, Joshua L. Brown, Daniel F. Perey<br>Published in April 2019<\/p>\n\n\n\n<p>Wide-Angle Ultrsonic Backscatter:  Concept for Enhanced Array-Based Inspection of Composite Materials<br>Pat Johnston<br>Published in April 2019<\/p>\n\n\n\n<p>Lamb wave defect detection and evaluation using a fully non-contact laser system<br>Zhaoyun Ma, Lingyu Yu<br>Published in March 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/asa.scitation.org\/doi\/full\/10.1121\/1.5094764\" rel=\"noopener\">Swept-Frequency Ultrasonic Phase Evaluation of Adhesive Bondingi ni Tri-Layer Structures<\/a><br>Harold A. Haldren, Daniel F. Perey, William T. Yost, K. Elliott Cramer, and Mool C. Gupta<br>Published in March 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C21 Rapid Inspection)<\/strong><\/p>\n\n\n\n<p>Acousto-Ultrasonic Methods Toward Field Application<br>Stephen Harris Howden<br>Published in 2018<\/p>\n\n\n\n<p>Bond Strength Evaluation of Interfacially-Contaminated Adhesively Bonded Single Lap Joints using Ultrasonic Phase Measurements<br>Harold A. Haldren, Daniel F. Perey, William T. Yost, K. Elliott Cramer, Mool C. Gupta<br>Published in October 2018<\/p>\n\n\n\n<p>Finite Difference Simulation of Ultrasonic Waves for Complex Composite Laminates<br>E. Frankforter, C. Campbell-Leckey, and W. Schneck<br>Published in July 2018<\/p>\n\n\n\n<p>In-situ Thermal Inspection of Automated Fiber Placement Manufacturing<br>Peter Juarez and Elizabeth Gregory<br>Published in July 2018<\/p>\n\n\n\n<p>Nondestructive Evaluation of Interfacial Bond Strength in Single Lap Joints via Swept-Frequency Ultrasonic Phase Measurements<br>H. Haldren, D. Perey, W. Yost, K.E. Cramer, and M. Gupta<br>Published in July 2018<\/p>\n\n\n\n<p>NASA NDE Efforts for Additive Manufacturing<br>Joseph Zalameda<br>Published in July 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190026491.pdf\" rel=\"noopener\">A Digital, Constant-Frequency Pulsed Phase-Locked Loop Instrument for Real-Time, Absolute Ultrasonic Phase Measurements<\/a><br>H. Haldren, M. Gupta, D. Perey, W. Yost, and K.E. Cramer<br>Published in May 2018<\/p>\n\n\n\n<p>In-situ Thermal Inspection of Automated Fiber Placement Operations for Tow and Ply Defect Detection<br>P. Juarez, E. Gregory, and K.E. Cramer<br>Published in May 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190025957.pdf\" rel=\"noopener\">Lebedev Scheme for Ultrasound Simulation in Composites<\/a><br>Francisco Hernando Quintanilla and Cara Campbell-Leckey<br>Published in May 2018<\/p>\n\n\n\n<p>Research Developments in Non-Invasive Measurement Systems for Aerospace Composite Structures at NASA<br>K. Elliott Cramer<br>Published in May 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190027133.pdf\" rel=\"noopener\">Automated Fiber Placement Defects: Automated Inspection and Characterization<\/a><br>Christopher Sacco, Anis Baz Radwan, Ramy Harik, Michel Van Tooren<br>Published in May 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180006282.pdf\" rel=\"noopener\">Current and Future Needs and Research for Composite Materials NDE<\/a><br>K. Elliott Cramer<br>Published in March 2018<\/p>\n\n\n\n<p>Research for Composite Materials NDE and the NASA Advanced Composites Project<br>K. Elliott Cramer and Daniel Perey<br>Published in March 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0041624X17305462\" rel=\"noopener\">Simulation of Guided Wave Ultrasound Propagation in Composite Laminates:  Benchmark Comparisons of Numerical Codes and Experiment<\/a><br>C. Campbell-Leckey, K. Wheeler, V. Hafiychuk, H. Hafiychuk, and D. Timucin<br>Published in March 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0041624X17303888\" rel=\"noopener\">A Model-Bead, Bayesian Solution for Characterization of Complex Damage Scenarios in Aerospace Composite Structures<\/a><br>H. Reed, C. Campbell-Leckey, A. Dick, G. Harvey, and J. Dobson<br>Published in January 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C21 Rapid Inspection)<\/strong><\/p>\n\n\n\n<p>Development and Validation of NDE Standards for NASA\u2019s Advanced Composites Project<br>Elliott Cramer and Daniel Perey<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0041624X17303888\" rel=\"noopener\">A Model Based Bayesian Solution for Characterization of Complex Damage Scenarios in Aerospace Composite Structures<\/a><br>Heather Reed, Cara Leckey, A. Dick, G. Harvey and J. Dobson<br>Published in September 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170009109.pdf\" rel=\"noopener\">One-Dimensional Model for the Ultrasonic Response of Resin-Filled Gaps in Automated Tape Layup Composites<\/a><br>Patrick H. Johnston, Peter D. Juarez<br>Published in September 2017<\/p>\n\n\n\n<p>Ultrasonic Phase Measurement of Adhesion Quality in Aluminum\/Epoxy Lap Joints<br>Harold Haldren, Daniel Perey, William Yost, Elliott Cramer, Mool Gupta<br>Published in Septemer 2017<\/p>\n\n\n\n<p>Development of Eddy Current Probe for Fiber Orientation Assessment in Carbon Fiber Composites<br>Russell A. Wincheski and Selina Zhao (General Motors R&D Center, Warren, MI)<br>Published in July 2017<\/p>\n\n\n\n<p>Lebedev Scheme for Ultrasound Modeling in Composites<br>Francisco Hernando Quintanilla and Cara A.C. Leckey<br>Published in July 2017<\/p>\n\n\n\n<p>Quadrupole Simulations of Passive Thermography in Composites<br>William P Winfree, Joseph N Zalameda and Elizabeth D Gregory<br>Published in July 2017<\/p>\n\n\n\n<p>Quantitative Nondestructive Thermal Inspection During Automated Fiber placement of Aerospace Composites<br>Elizabeth D. Gregory, Peter D. Juarez and K. Elliott Cramer<br>Published in July 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170004755.pdf\" rel=\"noopener\">Application of the Quadrupole Method for Simulation of Passive Thermography<\/a><br>Winfree, William P.; Zalameda, Joseph N.; Gregory, Elizabeth D.<br>Published in April 2017<\/p>\n\n\n\n<p>Far Field Measurements of Small Angle Carbon Fiber Misalignments<br>William Wilson, Jason Moore and Peter Juarez<br>Published in April 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170004756.pdf\" rel=\"noopener\">Thermal Inspection of a Composite Fuselage Section Using a Fixed Eigenvector Principal Component Analysis Method<\/a><br>Zalameda, Joseph N.; Bolduc, Sean; Harman, Rebecca<br>Published in April 2017<\/p>\n\n\n\n<p>3D-Printed Multi-Axis Angular Scanner for Measurement of the Polar Backscattering Characteristics<br>Patrick Johnston, Joshua Brown<br>Published in March 2017<\/p>\n\n\n\n<p><a><\/a><strong>2016 (2C21 Rapid Inspection)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160013835.pdf\" rel=\"noopener\">Carbon Fiber TOW Angle Determination Using Microwave Reflectometry<\/a><br>Wilson, William C.; Moore, Jason P.; Juarez, Peter D.<br>Published in October 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160011473.pdf\" rel=\"noopener\">Light Diffraction by Large Amplitude Ultrasonic Waves in Liquids<\/a><br>Adler, Laszlo; Cantrell, John H.; Yost, William T.<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160009052.pdf\" rel=\"noopener\">Advanced in In Situ Inspection of Automated Fiber Placement Systems<\/a><br>Juarez, Peter D.; Cramer, K. Elliott; Seebo, Jeffrey P.<br>Published in April 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160009060.pdf\" rel=\"noopener\">Simulation of Thermographic Responses of Delaminations in Composites with Quadrupole Method<\/a><br>Winfree, William P.; Zalameda, Joseph N.; Howell, Patricia A.; Cramer, K. Elliott<br>Published in April 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007766.pdf\" rel=\"noopener\">Composite Characterization Using Ultrasonic Wavefield Techniques<\/a><br>Leckey, Cara A. C.; Juarez, Peter D.; Seebo, Jeffrey P.<br>Published in March 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007712.pdf\" rel=\"noopener\">Phased Array Beamforming and Imaging in Composite Laminates Using Guided Waves<\/a><br>Tian, Zhenhua; Leckey, Cara A. C.; Yu, Lingyu<br>Published in March 2016<\/p>\n\n\n\n<p><a><\/a><strong>2015 (2C21 Rapid Inspection)<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/dx.doi.org\/10.1016\/j.ultras.2015.05.019\" rel=\"noopener\">Crack Imaging and Quantification in Aluminum Plates with Guided Wave Wavenumber Analysis Methods<\/a><br>Yu, Lingyu; Tian, Zhenhua; Leckey, Cara A. C<br>Published in May 2015<\/p>\n\n\n\n<p><a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0041624X15001079\" rel=\"noopener\">Multi-Frequency Local Wavenumber Analysis and Ply Correlation of Delamination Damage<\/a><br>Juarez, Peter D.; Leckey, Cara A. C.<br>Published in May 2015<\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20150009468.pdf\" rel=\"noopener\">Impact Induced Delamination Detection and Quantification With Guided Wavefield Analysis<\/a><br>Tian, Zhenhua; Leckey, Cara A. C.; Yu, Lingyu; Seebo, Jeffrey P.<br>Published in May 2015<\/p>\n\n\n\n<p><a><\/a><strong>2014 (2C21 Rapid Inspection)<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/hdl.handle.net\/2060\/20150001518\" rel=\"noopener\">Ultrasonic Inspection to Quantify Failure Pathologies of Crimped Electrical Connections<\/a><br>Cramer, K. Elliott; Perey, Daniel F.; Yost, William T.<br>Published in July 2014<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C22 DFM<\/h2>\n\n\n\n<p><a><\/a><strong>2020 (2C22 DFM)<\/strong><\/p>\n\n\n\n<p>Verification and Validation of Integrated Design and Manufacturing Analysis Tool for AFP Structures<br>August Noevere and Craig Collier<br>Published in May 2020<\/p>\n\n\n\n<p>Design for Manufacturing Tool for Automated Fiber Placement Structures \u2013 Verification and Validation<br>August T. Noevere, Craig S. Collier<br>Published in January 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C22 DFM)<\/strong><\/p>\n\n\n\n<p>Automation of AFP Process Planning Functions: Importance and Ranking<br>Joshua A. Halbritter, Ramy Harik, Clint Saidy, August Noevere, Brian W. Grimsley<br>Published in May 2019<\/p>\n\n\n\n<p>Integrated Design and Manufacturing Analysis for Automated Fiber Placement Structures<br>August Noevere, Craig Collier, Ramy Harik<br>Published in May 2019<\/p>\n\n\n\n<p>Design for Manufacturing:  Laminate Focused Design and Analysis Tools for Automated Composites Manufacturing<br>Jeron Moore, Andre Colvin, Sayata Ghose, Brice Johnson<br>Published in May 2019<\/p>\n\n\n\n<p>Automation of Process Planning for Automated Fiber Placement<br>Joshua Halbritter<br>Published in April 2019<\/p>\n\n\n\n<p>Development of a Design for Manufacturing Tool for Automated Fiber Placement Structures<br>August T. Noevere, Craig S. Collier, Ramy Harik, and Joshua Halbritter<br>Published in January 2019<\/p>\n\n\n\n<p>Integrated Design and Manufacturing Analysis for Automated Fiber Placement Structures<br>August Noevere<br>Published in January 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C22 DFM)<\/strong><\/p>\n\n\n\n<p>Automated Fiber Placement Defect Identity Cards: Cause, Anticipation, Existence, Significance, and Progression<br>Ramy Harik, Clint Saidy, Stephen Williams, Roudy Wehbe, Zafer Gurdal, and Brian Grimsley<br>Published in May 2018<\/p>\n\n\n\n<p>Mapping AFP Manufacturing Data from VCP to HyperSizer for Stress Analysis and Optimization<br>August T. Noevere, Craig S. Collier<br>Published in January 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C22 DFM)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180000377.pdf\" rel=\"noopener\">Measurement of Sub Degree Angular Carbon Fiber Tow Misalignment<\/a><br>W. Wilson, J. Moore, and H. Mccraw<br>Published in November 2017<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C23 AFP Model<\/h2>\n\n\n\n<p><a><\/a><strong>2020 (2C23 AFP Model)<\/strong><\/p>\n\n\n\n<p>Defect Formation in Automated Fiber Placement Process<br>Wenping Zhao, Huan Zhang, John Gangloff, Milan Mitrovic<br>Published in May 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C23 AFP Model)<\/strong><\/p>\n\n\n\n<p>A Validation Study of a Physics-based Tack Model for an Automated Fiber Placement Process Simulation<br>Victoria E. Hutton, Alireza Forghani, Paulo Silva, Curtis Hickmott, Thammaia Sreekantamurthy, Christopher J. Wohl, Brian W. Grimsley, Brian Coxon, Anoush Poursartip<br>Published in May 2019<\/p>\n\n\n\n<p>Characterization of Prepreg Tack for Composite Manufacturing by Automated Fiber Placement<br>Christopher J. Wohl, Curtis Hickmott, Victoria E. Hutton, Alireza Forghani, Frank L. Palmieri, Brian W. Grimsley<br>Published in February 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C23 AFP Model)<\/strong><\/p>\n\n\n\n<p>Effects of Processing Parameters on Defect Formation in Automated Fiber Placement Process<br>Wenping Zhao, Sean Tiwari, Shaahin Amini<br>Published in May 2018<\/p>\n\n\n\n<p>Experimental Calibration of a Numerical Model of Prepreg Tack for Predicting AFP Process Related Defects<br>Alireza Forghani, Curtis Hickmott, Victoria Hutten, Houman Bedayat, Christopher Wohl, Brian Grimsley, Brian Coxon, and Anoush Poursartip<br>Published in May 2018<\/p>\n\n\n\n<p>Numerical and Experimental Study of Local Resin Pressure for the Manufacturing of Composite Structures and Their Effect on Porosity<br>Houman Bedayat, Alireza Forghani, Curtis Hickmott, Frank Palmieri, Brian Grimsley, Brian Coxon, Goran Fernlund, and Anoush Poursartip<br>Published in May 2018<\/p>\n\n\n\n<p>Slit Tape Buckling and AFP Defect Prediction<br>Sayata Ghose, Kevin Malik, Brice Johnson<br>Published in May 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C23 AFP Model)<\/strong><\/p>\n\n\n\n<p>Simulating Prepreg Tack in AFP Process<br>Alireza Forghani, Curtis Hickmott, Houman Bedayat, Christopher Wohl, Brian Grimsley, Brian Coxon, Anoush Poursartip<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170009108.pdf\" rel=\"noopener\">Tack Measurement of Prepreg Tape at Variable Temperature and Humidity<\/a><br>Christopher J. Wohl, Frank L. Palmieri, Alireza Forghani, Curtis Hickmott, HoumanBedayat, Brian Coxon, Anoush Poursartip, Brian W. Grimsley<br>Published in September 2017<\/p>\n\n\n\n<p>A Physics-Based Modelling Framework for Simulation of Prepreg Tack in AFP process<br>Alireza Forghani, Curtis Hickmott, Houman Bedayat, Christopher Wohl, Brian Grimsley, Brian Coxon, Anoush Poursartip<br>Published in May 2017<\/p>\n\n\n\n<p>Automated Fiber Placement Process Characterization to Aid Defect Prediction<br>Sayata Ghose, Kevin Malik, Brice Johnson, Chelsea Roberts and Serhiy Sokolenko<br>Published in May 2017<\/p>\n\n\n\n<p><a><\/a><strong>2016 (2C23 AFP Model)<\/strong><\/p>\n\n\n\n<p>Efficient Manufacturing through Process Simulation in the NASA Advanced Composites Project<br>Grimsley, B.W<br>Published in August 2016<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C24 Closed-Loop Control<\/h2>\n\n\n\n<p><a><\/a><strong>2019 (2C24 AFP Model)<\/strong><\/p>\n\n\n\n<p>Design and Control of an Arrayed Infrared (AIR) Heater for Accurate Heating Control During Automated Fiber Placement<br>Benjamin L. C. Greenberg<br>Published in November 2019<\/p>\n\n\n\n<p>Design and Control of an Arrayed Infrared (AIR) Heater for Accurate Heating Control During Automated Fiber Placement<br>Benjamin Greenberg<br>Published in May 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C24 AFP Model)<\/strong><\/p>\n\n\n\n<p>Closed Loop Control of AFP Heating<br>Brice A. Johnson, Samuel F. Pedigo, John Z. Lin, Sayata Ghose<br>Published in May 2018<\/p>\n\n\n\n<p>Numerical Simulation of AFP Nip Point Temperature Predication for Complex Geometries<br>Kaishu Xia, Ramy Harik, Jeremy Herrera, Josh Patel, and Brian Grimsley<br>Published in May 2018<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C25 Sandwich Model<\/h2>\n\n\n\n<p><a><\/a><strong>2020 (2C25 Sandwich Model)<\/strong><\/p>\n\n\n\n<p>A Consortium Approach for Consolidation Modeling<br>Pavel \u0160im\u00e1\u010dek and Suresh G. Advani<br>Published in 2020<\/p>\n\n\n\n<p>Modeling And Simulation of The Co-Cure Of Honeycomb Core Sandwich Structures<br>Daniel Zebrine, Pavel \u0160im\u00e1\u010dek, Mark Anders, Navid Niknafs Kermani, Suresh Advani, and Steven Nutt<br>Published in May 2020<\/p>\n\n\n\n<p>Modeling of Core Crush Phenomenon During the Processing of Honeycomb Sandwich Panels<br>Sanesh Iyer, Lucie Riffard, Tara Baker, Marta Elleby, Pascal Hubert<br>Published in May 2020<\/p>\n\n\n\n<p>NDE Inspection of AFP Manufactured Cylinders Using an Intelligent Segmentation Algorithm<br>Christopher Sacco, Anis Baz Radwan, Andrew Anderson, Ramy Harik<br>Published in May 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359835X20300622\" rel=\"noopener\">Porosity Predictions during Co-cure of Honeycomb Core Prepreg Sandwich Structures<\/a><br>Navid Niknafs, et al.<br>Published in May 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C25 Sandwich Model)<\/strong><\/p>\n\n\n\n<p>A Simple Analysis Tool to Simulate the Co-cure of Honeycomb Core Composite Sandwich Structures<br>Niknafs Kermani, N., Simacek, P., Zebrine, D., Advani, S.G., and Nutt, S.<br>Published in May 2019<\/p>\n\n\n\n<p>Effects of Material and Processing Parameters on Bond-Line Quality in Co-Curing Honeycomb Sandwich Composites<br>Wenping Zhao, John Gangloff, Milan Mitrovic, Shaahin Amini<br>Published in May 2019<\/p>\n\n\n\n<p>Understanding and Modeling the Co-cure of Honeycomb Core Sandwich Structures<br>Centea, T., Simacek, P., Anders, M., Niknafs Kermani, N.<br>Published in May 2019<\/p>\n\n\n\n<p>Processing Parameters Affecting Core Crush in Honeycomb Panels<br>Marta Elleby, Tara Baker, Sayata Ghose, and Andrew Modin<br>Published in May 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359835X18303877\" rel=\"noopener\">Process Diagnostics for Co-Cure of Sandwich Structures Using In Situ Visualization<\/a><br>Anders, M., Zebrine, D., Centea, T., and Nutt, S.R.<br>Published in January 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C25 Sandwich Model)<\/strong><\/p>\n\n\n\n<p>Permeability of Cured Composite Skins Produced using Co-Cure over Honeycomb Core<br>Palit, T., Centea, T., Anders, M., Zebrine, D., and Nutt, S.<br>Published in 2018<\/p>\n\n\n\n<p>A Numerical Model to Simulate Void Dynamics during Processing of Honeycomb Core Sandwich Structures with Prepreg Face-Sheets<br>Niknafs Kermani, N., Simacek, P., Erdal, M., and Advani, S.G.<br>Published in Septemer 2018<\/p>\n\n\n\n<p>Adhesive Bond-Line Formation During Co-Cure of Honeycomb Sandwich Structures<br>Zebrine, D., Anders, M., Centea, T., and Nutt, S.R.<br>Published in May 2018<\/p>\n\n\n\n<p>Through-Thickness Gas Permeability of Prepreg Facesheets During Co-Cure of Honeycomb Core Sandwich Structures<br>Mark Anders, Timotea Centea<br>Published in May 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C25 Sandwich Model)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/asmedigitalcollection.asme.org\/manufacturingscience\/article\/139\/11\/111012\/383952\/In-Situ-Observations-and-Pressure-Measurements-for\" rel=\"noopener\">In-Situ Observations and Pressure Measurements for Autoclave Co-Cure of Honeycomb Core Sandwich Structures<\/a><br>Mark Anders, Daniel Zebrine, Timotei Centea, and Steven R. Nutt<br>Published in November 2017<\/p>\n\n\n\n<p>Honeycomb Sandwich Structures: Materials and Manufacturing<br>Centea, T. and Nutt, S.R.<br>Published in September 2017<\/p>\n\n\n\n<p>In-Situ Observations and Pressure Measurements for Autoclave Co-Cure of Honeycomb Core Sandwich Structures<br>Mark Anders, Daniel Zebrine, Timotei Centea, and Steven R. Nutt<br>Published in June 2017<\/p>\n\n\n\n<p>Co-Cure Process Characterization to Aid Defect Prediction<br>Lisa C. Carlson, Sayata Ghose, Michael P. Thompson, Roberto J. Cano and Brian W. Grimsley<br>Published in May 2017<\/p>\n\n\n\n<p>Facesheet Consolidation During Autoclave Co-Cure of Honecomb Core Sandwich Structures<br>Timotei Centea, Dan Zebrine, Mark Anders, Steven R. Nutt<br>Published in May 2017<\/p>\n\n\n\n<p><a><\/a><strong>2016 (2C25 Sandwich Model)<\/strong><\/p>\n\n\n\n<p>Manufacturing of Honeycomb Core Sandwich Structures: Film Adhesive Behavior Versus Cure Pressure and Temperature<br>Centea, T., Zebrine, D., Anders, M., Elkin, C., and Nutt, S.R.<br>Published in September 2016<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C26 Bonding<\/h2>\n\n\n\n<p><a><\/a><strong>2020 (2C26 Bonding)<\/strong><\/p>\n\n\n\n<p>Analysis of Surface Effects of Photochemistry Through the Kinetics Related to Electron Photo-emissive Processes from Substrates<br>Tom Yost, Rodolfo Ledesma, John W. Connell and frank Palmieri<br>Published in 2020<\/p>\n\n\n\n<p>Picosecond Laser Surface Treatment and Analysis of Thermoplastic Composites for Structural Adhesive Bonding<br>Rodolfo Ledesma, Frank L. Palmieri Yi Lin, John W. Connell, Marcus Belcher, Daniel Ferriell, and Suzanne Thomas<br>Published in 2020<\/p>\n\n\n\n<p>Recent Advances in LIBS for Real-Time Detection of Silicone Contaminants on CFRP Surfaces<br>Rodolfo Ledesma, Frank L. Palmieri and John W. Connell<br>Published in June 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0143749620300300\" rel=\"noopener\">Surface Functionalization of Automated Fiber Placement Manufactured Composites by Atmospheric Pressure Plasma Jet<\/a><br>Ibrahim Sarikaya, Malik Tahiyat, Ramy Harika, Tanvir Farouk, and John Connell<br>Published in June 2020<\/p>\n\n\n\n<p>Advanced Laser Surface Treatment Technique for Removal of Contaminants in Composite Adhesive Bonding<br>Danielle Grolman, Daniel G. Goberman, Wenping Zhao, Milan Mitrovic, Xiaomei Fang, Rodolfo Ledesma, John W. Connell<br>Published in May 2020<\/p>\n\n\n\n<p>Laser Induced Breakdown Spectroscopy for Real-Time Detection of Trace Silicone Contaminants on Polymer Composite Surfaces<br>Rodolfo Ledesma, Frank L. Palmieri and John W. Connell<br>Published in May 2020<\/p>\n\n\n\n<p>Picosecond Laser Surface Treatment and Analysis of PEEK Composites for Structural Adhesive Bonding<br>Rodolfo Ledesma, Frank L. Palmieri Yi Lin, John W. Connell, Marcus Belcher, Daniel Ferriell, and Suzanne Thomas<br>Published in May 2020<\/p>\n\n\n\n<p>Process Control of Laser Surface Treatment for Robust Bonding of Composite Aerostructure<br>Eileen O. Kutscha, Rodolfo I. Ledesma, Frank L. Palmieri, Kay Y. Blohowiak, John W. Connell<br>Published in May 2020<\/p>\n\n\n\n<p>Surface Analysis Methods for Process Control of Composite Laser Treatment for Robust Bonding and Adhesion<br>Eileen Kutscha, Kay Blohowiak, Rodolfo Ledesma, Frank L. Palmieri, John W. Connell<br>Published in May 2020<\/p>\n\n\n\n<p>Surface Treatment Techniques on Composite-to-Titanium Hyrid Bonding<br>Xiaomei Fang, Chris Hertel, John Riehl, Dan Goberman, Wenping Zhao, John Connell<br>Published in May 2020<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0143749619302805\" rel=\"noopener\">Laser Induced Breakdown Spectroscopy of Polymer Matrix Composites for Real-Time Analysis of Trace Surface Contaminants: A Review<\/a><br>Rodolfo Ledesma, Frank L. Palmieri and John W. Connell<br>Published in April 2020<\/p>\n\n\n\n<p>A Review of LIBS for Real-Time Detection of Trace Silicone Contaminants on CFRP Surfaces<br>Rodolfo Ledesma, Frank L. Palmieri and John W. Connell<br>Published in February 2020<\/p>\n\n\n\n<p>Enabling Robust Bonding and Adhesion Using Analysis Tools for Detection of Composite Laser Surface Treatment<br>Eileen O. Kutscha, Rodolfo Ledesma, Frank Palmieri, Kay Y. Blohowiak, John W. Connell<br>Published in February 2020<\/p>\n\n\n\n<p>Surface Analysis Methods for Process Control of Composite Laser Treatment for Robust Bonding and Adhesion<br>Eileen Kutscha, Kay Blohowiak, Rodolfo Ledesma, Frank L. Palmieri, John W. Connell<br>Published in February 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C26 Bonding)<\/strong><\/p>\n\n\n\n<p>LAR-19492-1: Automated ultrasonic scanning system for in-situ composite cure monitoring and defect detection in an extreme environment<br>T.B. Hudson, F.L. Palmieri, T.B. Abbot, J. Seebo, and E. Burke<br>Published in 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359836819322085\" rel=\"noopener\">Optimized Surface Treatment of Aerospace Composites using a Picosecond Laser <\/a><br>Frank L. Palmieri, Rodolfo I. Ledesma, Joseph G. Dennie, Teersa J. Kramer, Yi Lin, John W. Hopkins, Christopher J. Wohl and John W. Connell<br>Published in October 2019<\/p>\n\n\n\n<p>LAR 19091-1 A Method For Quality Control Of Surface Treatment Using Laser Induced Breakdown Spectroscopy<br>Eileen Kutscha, Kay Blohowiak, Rodolfo Ledesma, john Hopkins, Frank Palmieri and John Connell<br>Published in September 2019<\/p>\n\n\n\n<p>Optimization of Picosecond Laser Parameters for Surface Treatment of Aerospace Composites Using a Design of Experiments (DoE) Approach<br>Frank L. Palmieri, Rodolfo I. Ledesma, Joseph G. Dennie, Teersa J. Kramer, Yi Lin, John W. Hopkins, Christopher J. Wohl and John W. Connell<br>Published in September 2019<\/p>\n\n\n\n<p>Robust Bonding Through Process Control<br>Eileen Kutscha, Kay Y. Blowhowiak, Marc J. Piehl and John W. Connell<br>Published in June 2019<\/p>\n\n\n\n<p>Advanced Surface Treatment Techniques for Removal of Contaminants in Composite Adhesive Bonding<br>Wenping Zhao, Danielle Grolman, Gurbinder, Sarao, Milan Mitrovic, Xiaomei Fang and John Connell<br>Published in May 2019<\/p>\n\n\n\n<p>Atmospheric Pressure Plasma Jet Treatment for Adhesion Improvement<br>Ibrahim Sarikaya, Malik Tahiyat, Ramy Harik, Tanvir Farouk, John Connell, Peter Gilday<br>Published in May 2019<\/p>\n\n\n\n<p>Optically Enhanced Bonding Workstatioin for Robust Bonding<br>Eileen O. Kutscha, Kay Y. Blohowiak, Vicki Wu, Marc J. Piehl<br>Published in May 2019<\/p>\n\n\n\n<p>Plasma Surface Functionalization of AFP Manufactured Composites for Improved Adhesive Bond Performance<br>Ibrahim Sarikaya, Malik Tahiyat, Ramy Harik, Tanvir Farouk, John Connell, And Peter Gilday<br>Published in May 2019<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0143749620300300\" rel=\"noopener\">Surface Functionalization of Automated Fiber Placement Manufactured Composites by Atmospheric Pressure Plasma Jet<\/a><br>Ibrahim Sarikayaa, Malik Tahiyata, Ramy Harika, Tanvir Farouka, and John Connellb<br>Published in May 2019<\/p>\n\n\n\n<p>LAR-19616-1 Laser Surface Treatment on Stainless Steel and Nickel Alloys for Adhesive Bonding<br>Xiaomei Fang, Chris Hertel, John Riehl, John Connell, Frank Palmieri and John Hopkins<br>Published in May 2019<\/p>\n\n\n\n<p>Plasma Surface Functionalization of AFP Manufactured Composites for Improved Adhesive Bond Performance<br>Ibrahim Sarikaya<br>Published in February 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C26 Bonding)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/full\/10.1177\/0003702818809928\" rel=\"noopener\">Correlation of Trace Silicone Contamination Analyses on Epoxy Composites Using XPS and LIBS<\/a><br>Rodolfo Ledesma, Frank Palmieri, Brooke Campbell, William Yost, James Fitz-Gerald, Giles Dillingham, and John Connell<br>Published in November 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190029228.pdf\" rel=\"noopener\">Assessment of Adhesive Bond Strength from Ultrasonic Tone-Bursts<\/a><br>John H. Cantrell<br>Published in October 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0143749618300952\" rel=\"noopener\">Relationship between Adhesive Bonding Strength and Surface Contamination Levels of Polydimethylsiloxane on Carbon Fiber Reinforced Polymers<\/a><br>Rodolfo I. Ledesma, William T. Yost, Frank L. Palmieri, Daniel J. Cataldo, and John W. Connell<br>Published in August 2018<\/p>\n\n\n\n<p>Development of a Kinetics-based Model for Measurement and Characterization of Surface Contaminant Concentrations on Carbon-based Composite Surfaces<br>Tom Yost, Rodolfo Ledesma, Dan Perey Frank Palmieri and John W. Connell<br>Published in July 2018<\/p>\n\n\n\n<p>Optically Stimulated Electron Emission Analysis of Surface Contamination Levels on Epoxy Composites and Effect on Failure Mode of Adhesively Bonded Specimens<br>Rodolfo Ledesma, W Yost, Frank L. Palmieri, John W. Connell<br>Published in July 2018<\/p>\n\n\n\n<p>Characterization of Picosecond Laser Treatment on Epoxy Composites by Design of Experiement (DOE) Method<br>Frank L. Palmieri, Rodolfo I. Ledesma, Joseph G. Dennie, Teersa J. Kramer, Christopher J. Wohl, Yi Lin, John W. Hopkins, John W. Connell<br>Published in May 2018<\/p>\n\n\n\n<p>Determination of Trace Silicone Contamination on Composites by Quantitative XPS and LIBS<br>Rodolfo I. Ledesma, Giles Dillingham, Brooke Campbell, Frank Palmieri, William Yost, Yi Lin, James Fitz-Gerald, and John Connell<br>Published in May 2018<\/p>\n\n\n\n<p>Effectiveness of Surface Treatment Techniques for Composite Bonding with Different Contamination Levels <br>Xiaomei Fang, Gurbinder S. Saroa, Wenping Zhao, Daniel G. Goberman, John W. Connell<br>Published in May 2018<\/p>\n\n\n\n<p>Optimization of Picosecond Laser Parameters for Surface Treatment of Composites Using a Design of Experiments (DOE) Approach<br>Frank L. Palmieri, Rodolfo I. Ledesma, Joseph D. Dennie, Teresa J. Kramer, Yi Lin, John W. Hopkins, Christopher J. Wohl, and John W. Connell<br>Published in May 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190001860.pdf\" rel=\"noopener\">Robust Bonding Through Process Control<\/a><br>Eileen O. Kutscha, Kay Y. Blohowiak, Marc Piehl, and John W. Connell<br>Published in May 2018<\/p>\n\n\n\n<p>LAR 19193-1, Adsorbate Analsisi Usng Optically Stimulated Electron Emmission<br>William Yost, Dan Perey, Paul Petzar, John Connell,Rodolfo Ledesma,  and Josh Brown<br>Published in May 2018<\/p>\n\n\n\n<p>Characterization of Pulsed-Laser Surface Preparation of Epoxy Composites by Design of Experiments Method<br>Frank L. Palmieri, Rodolfo I. Ledesma, Joseph D. Dennie, Christopher J. Wohl, Yi Lin, John W. Hopkins, John W. Connell<br>Published in February 2018<\/p>\n\n\n\n<p><a href=\"http:\/\/hdl.handle.net\/2060\/20180006285\" rel=\"noopener\">Laser Ablation Surface Treatment of Structural Aerospace Composites and Metal Alloys for Adhesive Bonding<\/a><br>John Connell, Yi Lin, Christopher Wohl, John Hopkins, Rodolfo Ledesma, Frank Palmieri<br> Published in February 2018<\/p>\n\n\n\n<p>Characterization of Picosecond-Laser Surface Process on Epoxy Composites by Design of Experiments Method<br>F Palmieri, R Ledesma, J Dennie, C Wohl, Yi Lin, J Hopkins, J Connel<br>Published in February 2018<\/p>\n\n\n\n<p>Detection of Trace Silicone Contamination on CFRP Surfaces by Picosecond LIBS<br>Rodolfo I. Ledesma, Frank L. Palmieri, Joseph D. Dennie, James Dowdell, James M. Fitz-Gerald, John W. Connell<br>Published in February 2018<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20180001865.pdf\" rel=\"noopener\">Determination of Cross-Sectional Area of Focused Picosecond Gaussian Laser Beam<\/a><br>Rodolfo Ledesma; James Fitz-Gerald; Frank Palmieri; John Connell<br>Published in February 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C26 Bonding)<\/strong><\/p>\n\n\n\n<p>LAR 19091-1, Laser Surface Treatment and Spectroscopic Analysis System<br>Rodolfo Ledesma, John Hopkins, Frank Palmieri and John Connell<br>Published in August 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170006189.pdf\" rel=\"noopener\">Contamination and Surface Preparation Effects on Composite Bonding<\/a><br>Kutscha, Eileen O.; Vahey, Paul G.; Belcher, Marcus A.; VanVoast, Peter J.; Grace, William B.; Blohowiak, Kay Y.; Palmieri, Frank L.; Connell, John W.<br>Published in May 2017<\/p>\n\n\n\n<p>Contamination Effect on Composite-To-Metal Adhesive Bond Performance<br>Xiaomei Fang, Joe Jalowka, John Riehl, Wenping Zhao, Dan Goberman<br>Published in May 2017<\/p>\n\n\n\n<p>Effects of Contamination on Surface Chemistries and Performance of Aerospace Structural Composites Bonded with Various Adhesives<br>Eileen O. Kutscha, Paul G. Vahey, Marcus A. Belcher, Peter J. VanVoast, William B.Grace, Kay Y. Blohowiak, Frank L. Palmieri and John W. Connell<br>Published in May 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170006187.pdf\" rel=\"noopener\">Picosecond Pulsed Laser Ablation for the Surface Preparation of Epoxy Composites<\/a><br>Palmieri, Frank; Ledesma, Rodolfo; Fulton, Tayler; Arthur, Alexandria; Eldridge, Keishara; Thibeault, Sheila; Lin, Yi; Wohl, Chris; Connell, John<br>Published in May 2017<\/p>\n\n\n\n<p>Detection Of Contamination and Surface Preparation Effects on Bonding of Aerospace Structural Composites<br>Eileen O. Kutscha, Paul G. Vahey, Marcus A. Belcher, Peter J. VanVoast, William B.Grace, Kay Y. Blohowiak, Frank L. Palmieri and John W. Connell<br>Published in February 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0584854717302549?via%3Dihub\" rel=\"noopener\">Surface Characterization of Carbon Fiber Reinforced Polymers by Single-Shot Picosecond Laser Induced Breakdown Spectroscopy<\/a><br>Rodolfo Ledesma , Frank L. Palmieri, John W. Connell, William T. Yost, James Fitz-Gerald<br>Published in February 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170002059.pdf\" rel=\"noopener\">Surface Monitoring of CFRP Structures for Adhesive Bonding<\/a><br>Ledesma, Rodolfo; Palmieri, Frank L.; Yost, William T.; Connell, John W.; Fitz-Gerald, James M.<br>Published in February 2017<\/p>\n\n\n\n<p><a><\/a><strong>2016 (2C26 Bonding)<\/strong><\/p>\n\n\n\n<p>Laser Ablation Surface Preparation for Adhesive Bonding of Carbon Fiber Reinforced Epoxy Composites<br>Palmieri, F.L., Belcher, M.L., Wohl, C.J., Blohowiak, K.Y., and John W. Connell<br>Published in 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160009092.pdf\" rel=\"noopener\">Controlled Contamination of Epoxy Composites with PDMS and Removal by Laser Ablation<\/a><br>Palmieri, Frank; Ledesma, Rodolfo; Cataldo, Daniel; Lin, Yi; Wohl, Christopher; Gupta, Mool; Connell, John<br>Published in May 2016<\/p>\n\n\n\n<p>Laser Ablation to Remove and Detect Silicone Contaminants on Epoxy Matrix Composite<br>Frank Palmieri, Rodolfo Ledesma, Dan Cataldo, Nikita Budwal, Joseph Dennie, Yi Lin, John Hopkins, Christopher Wohl, John Connell<br>Published in May 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007707.pdf\" rel=\"noopener\">An Investigation on the Use of a Laser Ablation Treatment on Metallic Surfaces and the Influence of Temperature on Fracture Toughness of Hybird Co-cured Metal-Polyimide Interfaces<\/a><br>John W. Connell, Frank L. Palmieri, H.T.X. Truong, O.O. Ochoa, and D.C. Lagoudas<br>Published in February 2016<\/p>\n\n\n\n<p><a><\/a><strong>May 2015 (2C26 Bonding)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160005971.pdf\" rel=\"noopener\">Laser Surface Preparation of Epoxy Composites for Secondary Bonding: Optimization of Ablation Depth<\/a><br>Frank L. Palmieri, John Hopkins, Christopher J. Wohl, Yi Lin, John W. Connell, Marcus A. (Tony) Belcher, and Kay Y. Blohowiak<br>Published in May 2015<\/p>\n\n\n\n<p><a href=\"http:\/\/patft.uspto.gov\/netacgi\/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=14&f=G&l=50&co1=AND&d=PTXT&s1=%22Connell,+John%22.INNM.&OS=IN\/%22Connell,+John%22&RS=IN\/%22Connell,+John%22\" rel=\"noopener\">Modification of Surface Energy via Direct laser Ablative Surface Patterning<\/a><br>Christopher J. Wohl, Marcus A. (Tony) Belcher, John W. Connell, and John Hopkins<br>Published in March 2015<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2C27 Laminate Cure Model<\/h2>\n\n\n\n<p><a><\/a><strong>2020 (2C27 Laminate Cure Model)<\/strong><\/p>\n\n\n\n<p>A Validation Study for Modeling Strategies Designed to Predict Cure Defects Including Porosity and Wrinkling During Composite Processing<br>Curtis W. Hickmott, Paulo Silva, Alireza Forghani, Frank L. Palmieri, Brian W. Grimsley, Brian R. Coxon, Goran Fernlund, Anoush Poursartip<br>Published in May 2020<\/p>\n\n\n\n<p>In-Process Ultrasonic Cure Monitoring System for Defect Detection and Localization in Composites<br>T.B. Hudson, K.M. Serrano, A. Amador, T.B. Abbot, and F.L. Palmieri<br>Published in May 2020<\/p>\n\n\n\n<p>Resin Pressure and Porosity Measurements to Validate an Epoxy Laminate Cure Process Model<br>Frank L. Palmieri, Curtis Hickmott, Thammaia Sreekantamurthy, Alireza Forghani, Brian Coxon, Brian W. Grimsley, Anoush Poursartip<br>Published in May 2020<\/p>\n\n\n\n<p><a><\/a><strong>2019 (2C27 Laminate Cure Model)<\/strong><\/p>\n\n\n\n<p>Plasma Cure Process Defects in Composite Structures with Sharp Radii<br>Justin B. Alms, John J. Gangloff, John Walker, Danielle Grolman<br>Published in May 2019<\/p>\n\n\n\n<p>A Numerical and Experimental Approach for Modeling Porosity Due to Entrapped Air and Volatiles Off-gassing During Manufacturing of Composite Structures<br>Curtis Hackmott, Alireza Forghani, Victoria Hutten, Frank L. Palmieri, Brian W. Grimsley, Brian Coxon, Goran Fernlund, Anoush Poursartip<br>Published in May 2019<\/p>\n\n\n\n<p>Design of an Automated Ultrasonic Scanning System for In-situ Composite Cure Monitoring and Defect Detection<br>Tyler B. Hudson, Trenton B. Abbot, Frank L. Palmieri, Jeffrey P. Seebo, Eric R. Burke<br>Published in May 2019<\/p>\n\n\n\n<p>Career Transition: From Student to Researcher<br>Tyler B. Hudson, Trenton B. Abbot, Frank L. Palmieri, Jeffrey P. Seebo, Eric R. Burke<br>Published in May 2019<\/p>\n\n\n\n<p>Cure Process Defects in Composite Laminates<br>Kevin Malik, Sayata Ghose, Geoffrey Butler, and Kurtis Willden<br>Published in May 2019<\/p>\n\n\n\n<p>Evaluation of an Alternate Method for Determining Yield Strength Offset Values for Selective Laser Sintered Polymeric Materials<br>Chesley Henry, Keith Rupel, Charles Park, Joseph Costanzo, Cary Kaczowka, Kevin Malik, and Sayata Ghose<br>Published in May 2019<\/p>\n\n\n\n<p><a><\/a><strong>2018 (2C27 Laminate Cure Model)<\/strong><\/p>\n\n\n\n<p>LAR-19194-1: Guided wave-based system for cure monitoring of composites using piezoelectric discs and fiber Bragg gratings (FBGs)\/phase-shifted fiber Bragg gratings (PS-FBGs)<br>T.B. Hudson, F.G. Yuan, N. Auwaijan, and F.L. Palmieri<br>Published in 2018<\/p>\n\n\n\n<p>Coupon Level Mechanical Testing for Polymer Based Additive Manufacturing<br>Chul Y. Park, Keith Rupel, Chelsey Henry, and Upul Palliyaguru<br>Published in November 2018<\/p>\n\n\n\n<p><a href=\"http:\/\/journals.sagepub.com\/doi\/10.1177\/0021998318793512#articleShareContainer\" rel=\"noopener\">Guided wave-based system for real-time cure monitoring of composites using piezoelectric discs and phase-shifted fiber Bragg gratings<\/a><br>Tyler B Hudson, Nicolas Auwaijan, and Fuh-Gwo Yuan<br>Published in August 2018<\/p>\n\n\n\n<p>New Test Coupon Design for Polymer Based AM<br>Chul Y. (Charles) Park (Boeing)<br>Published in July 2018<\/p>\n\n\n\n<p>Cure Defects in Tapered Laminate<br>Wendy Lin, Alexander Vallee, Mitch Smith, Gregory Gemeinhardt<br>Published in May 2018<\/p>\n\n\n\n<p>Cure Process Defects in Composite Laminates<br>Amy Bahe, Sayata Ghose, Kurtis Willden<br>Published in May 2018<\/p>\n\n\n\n<p><a href=\"http:\/\/nondestructive.asmedigitalcollection.asme.org\/article.aspx?articleid=2672419&journalid=188\" rel=\"noopener\">Automated In-Process Cure Monitoring of Composite Laminates Using a Guided Wave-Based System With High-Temperature Piezoelectric Transducers<\/a><br>Tyler Hudson, Fuh-Gwo Yuan<br>Published in February 2018<\/p>\n\n\n\n<p><a><\/a><strong>2017 (2C27 Laminate Cure Model)<\/strong><\/p>\n\n\n\n<p>LAR-18973-1: Automated guided wave system for in-process cure monitoring of CFRP composite laminates<br>T.B. Hudson, F.G. Yuan, and B.W. Grimsley<br>Published in 2017<\/p>\n\n\n\n<p>Real-time Cure Monitoring of Composites Using a Guided Wave-based System with High Temperature Piezoelectric Transducers, Fiber Bragg Gratings, and Phase-shifted Fiber Bragg Gratings<br>T.B. Hudson<br>Published in 2017<\/p>\n\n\n\n<p>Simulation of gas and resin transport mechanisms in manufacturing process of composite structures and their effect on porosity<br>Houman Bedayat, Martin Roy, Alireza Forghani, Curtis Hickmott, Frank Palmieri, Brian Grimsley, Brian Coxon, Goran Fernlund, Anoush Poursartip<br>Published in October 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20190028369.pdf\" rel=\"noopener\">Detection and Quantification of Composite Manufacturing Defects Using Guided Waves<\/a><br>Hudson, T.B., Hou, T.H., Grimsley, B.W., and Fuh Gwo Yuan<br>Published in June 2017<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20170006186.pdf\" rel=\"noopener\">An Efficient Modelling Approach for Prediction of Porosity Severity in Composite Structures<\/a><br>Bedayat, Houman; Forghani, Alireza; Hickmott, Curtis; Roy, Martin; Palmieri, Frank; Grimsley, Brian; Coxon, Brian; Fernlund, Goran<br>Published in May 2017<\/p>\n\n\n\n<p><a><\/a><strong>2016 (2C27 Laminate Cure Model)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012030.pdf\" rel=\"noopener\">Composite Cure Process Modeling and Simulations Using COMPRO and Validation of Residual Strains Using Fiber Optic Sensors<\/a><br>Sreekantamurthy, T., Hudson, T.H., Hou, T.H., and B. Grimsley<br>Published in September 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160012032.pdf\" rel=\"noopener\">Development of a Fully Automated Guided Wave System for In-process Cure Monitoring of CFRP Composite Laminates<\/a><br>Hudson, T.B., B.W. Grimsley, and F.G. Yuan<br>Published in September 2016<\/p>\n\n\n\n<p>Imaging of Local Porosity\/Voids Using a Fully Non-Contact Air-Coupled Transducer and Laser Doppler Vibrometer System<br>Hudson, T.B., Hou, T.H., Grimsley, B.W., and Fuh Gwo Yuan<br>Published in August 2016<\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160007706.pdf\" rel=\"noopener\">Latent Hardeners for the Assembly of Epoxy Composites<\/a><br>Palmieri, Frank; Wohl, Christopher J.; Connell, John W.; Mercado, Zoar; Galloway, Jordan<br>Published in February 2016<\/p>\n\n\n\n<p><a><\/a><strong>2015 (2C27 Laminate Cure Model)<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20160005999.pdf\" rel=\"noopener\">Detection of CFRP Composite Manufacturing Defects Using a Guided Wave Approach<\/a><br>Hudson, T.B., Hou, T.H., Grimsley, B.W., and Fuh Gwo Yuan<br>Published in May 2015<\/p>\n\n\n\n<p><a><\/a><strong>2014 (2C27 Laminate Cure Model)<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20140012782.pdf\" rel=\"noopener\">Cure Cycle Design Methodology for Fabricating Reactive Resin Matrix Fiber Reinforced Composites: A Protocol for Producing Void-free Quality Laminates<\/a><br>Hou, Tan-Hung<br>Published in Septebmer 2014<\/p>\n\n\n\n<p><a href=\"\/aeroresearch\/programs\/aavp\/ac\">Advanced Composites Project<\/a><\/p>\n\n\n<div id=\"\" class=\"hds-social-media grid-container grid-container-block nasa-gb-align- width-full maxw-full margin-y-0 padding-y-5 padding-x-3 desktop:padding-x-0 font-weight-bold hds-module wp-block-nasa-blocks-social-media-links\">\t\t<div class=\"display-flex flex-align-center padding-y-1\" id=\"social-facebook\">\n\t\t\t<div class=\"circle-4 minw-4 display-flex flex-align-center flex-justify-center\" style=\"background-color: #4267B2;\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" 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c17.455,0,31.656,14.201,31.656,31.655V122.407z\"\/> <path d=\"M84.531,40.97c-24.021,0-43.563,19.542-43.563,43.563c0,24.02,19.542,43.561,43.563,43.561s43.563-19.541,43.563-43.561 C128.094,60.512,108.552,40.97,84.531,40.97z M84.531,113.093c-15.749,0-28.563-12.812-28.563-28.561 c0-15.75,12.813-28.563,28.563-28.563s28.563,12.813,28.563,28.563C113.094,100.281,100.28,113.093,84.531,113.093z\"\/> <path d=\"M129.921,28.251c-2.89,0-5.729,1.17-7.77,3.22c-2.051,2.04-3.23,4.88-3.23,7.78c0,2.891,1.18,5.73,3.23,7.78 c2.04,2.04,4.88,3.22,7.77,3.22c2.9,0,5.73-1.18,7.78-3.22c2.05-2.05,3.22-4.89,3.22-7.78c0-2.9-1.17-5.74-3.22-7.78 C135.661,29.421,132.821,28.251,129.921,28.251z\"\/><\/g><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"hds-social-media-items padding-left-2\">\n\t\t\t\t<a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/instagram.com\/NASA\" aria-label=\"Go to @NASA on instagram\" rel=\"noopener\">@NASA<\/a><a target=\"_blank\" class=\"margin-right-2\" 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0v8.399h4.988v-10.131c0-7.88-8.922-7.593-11.018-3.714v-2.155z\"\/><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"hds-social-media-items padding-left-2\">\n\t\t\t\t<a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/linkedin.com\/company\/NASA\" aria-label=\"Go to @NASA on linkedin\" rel=\"noopener\">@NASA<\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\n<div id=\"\" class=\"nasa-gb-align-full width-full maxw-full padding-x-3 padding-y-0 hds-module hds-module-full wp-block-nasa-blocks-related-articles\">\t\t<section class=\"hds-related-articles padding-x-0 padding-y-3 desktop:padding-top-7 desktop:padding-bottom-9\">\n\t\t\t<div class=\"w-100 grid-row grid-container maxw-widescreen padding-0 text-align-left\">\n\t\t\t\t<div class=\"margin-bottom-4\"><h2 style=\"max-width: 100%;\" class=\"width-full w-full maxw-full\">Explore More<\/h2><\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"grid-row grid-container maxw-widescreen padding-0\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/aeronautics\/nextgen-aircraft-design-is-key-to-aviation-sustainability\/\" class=\"color-carbon-black\">\n\t\t\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper cover-hover-zoom bg-carbon-black minh-mobile\">\n\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"183\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg 6048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=300,183 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=768,469 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=1024,626 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=1536,939 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=2048,1252 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=400,244 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=600,367 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=900,550 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=1200,733 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/04\/acd16-0013-022_0.jpg?resize=2000,1222 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"padding-right-0 desktop:padding-right-10\">\n\t\t\t\t\t\t\t\t<div class=\"subheading margin-bottom-1\">8 min read<\/div>\n\t\t\t\t\t\t\t\t<div class=\"margin-bottom-1\"><h3 class=\"related-article-title\">NextGen Aircraft Design is Key to Aviation Sustainability<\/h3><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\">\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"\">\n\t\t\t\t\t\t\t\t\t\t4 years ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/directorates\/armd\/aavp\/ac\/advanced-composites-project-calendar-of-events\/\" class=\"color-carbon-black\">\n\t\t\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper cover-hover-zoom bg-carbon-black minh-mobile\">\n\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png 1400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=300,300 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=768,768 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=1024,1024 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=200,200 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=400,400 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=600,600 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=900,900 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2020\/01\/calendar-of-events.png?resize=1200,1200 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"padding-right-0 desktop:padding-right-10\">\n\t\t\t\t\t\t\t\t<div class=\"subheading margin-bottom-1\">2 min read<\/div>\n\t\t\t\t\t\t\t\t<div class=\"margin-bottom-1\"><h3 class=\"related-article-title\">Advanced Composites Project Calendar of Events<\/h3><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\">\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"\">\n\t\t\t\t\t\t\t\t\t\t4 years ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/centers-and-facilities\/langley\/five-year-study-of-advanced-composites-enters-final-review\/\" class=\"color-carbon-black\">\n\t\t\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper cover-hover-zoom bg-carbon-black minh-mobile\">\n\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2019\/10\/ezgif.com-video-to-gif_2.gif?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" \/><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"padding-right-0 desktop:padding-right-10\">\n\t\t\t\t\t\t\t\t<div class=\"subheading margin-bottom-1\">3 min read<\/div>\n\t\t\t\t\t\t\t\t<div class=\"margin-bottom-1\"><h3 class=\"related-article-title\">Five Year Study of Advanced Composites Enters Final Review<\/h3><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\">\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"\">\n\t\t\t\t\t\t\t\t\t\t5 years ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<\/div>\n\n<div id=\"\" class=\"hds-topic-cards nasa-gb-align-full maxw-full width-full padding-y-6 padding-x-3 color-mode-dark hds-module hds-module-full wp-block-nasa-blocks-topic-cards\">\t\t<div class=\"grid-container grid-container-block-lg padding-x-0\">\n\t\t\t<div class=\"grid-row flex-align-center margin-bottom-3\">\n\t\t\t\t<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n\t\t\t\t\t<div class=\"label color-carbon-60 margin-bottom-2\">Keep Exploring<\/div>\n\t\t\t\t\t<h2 class=\"heading-36 line-height-sm\">Discover More Topics From NASA<\/h2>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"grid-row grid-gap-2 hds-topic-cards-wrapper\">\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/nasa-missions\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Missions<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"864\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?w=1536\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg 3840w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=300,169 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=768,432 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=1024,576 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=1536,864 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=2048,1152 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=400,225 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=600,338 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=900,506 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=1200,675 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/08\/jsc2022e046413_orig.jpg?resize=2000,1125 2000w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Humans In Space<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"368\" height=\"560\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/topic-humans-in-space.jpg?w=368\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/topic-humans-in-space.jpg 368w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/topic-humans-in-space.jpg?resize=197,300 197w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/topic-humans-in-space.jpg?resize=263,400 263w\" sizes=\"(max-width: 368px) 100vw, 368px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/solar-system\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Solar System Exploration<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\t<p class=\"margin-bottom-0 margin-top-2 color-carbon-20-important\">Why Oceans Matter The story of oceans is the story of life. Life as we know it requires three ingredients:...<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img decoding=\"async\" loading=\"lazy\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" src=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/07\/pia06890-our-solar-system-banner-1920x640-1.jpg\" ><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/history\/explore-nasas-history\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Explore NASA’s History<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1919\" height=\"1878\" src=\"https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=1919&h=1878&fit=clip&crop=faces%2Cfocalpoint\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=1919&h=1878&fit=crop&crop=faces%2Cfocalpoint 1919w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=300&h=294&fit=crop&crop=faces%2Cfocalpoint 300w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=768&h=752&fit=crop&crop=faces%2Cfocalpoint 768w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=1024&h=1002&fit=crop&crop=faces%2Cfocalpoint 1024w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=1536&h=1503&fit=crop&crop=faces%2Cfocalpoint 1536w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=50&h=49&fit=crop&crop=faces%2Cfocalpoint 50w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=400&h=391&fit=crop&crop=faces%2Cfocalpoint 400w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=600&h=587&fit=crop&crop=faces%2Cfocalpoint 600w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=900&h=881&fit=crop&crop=faces%2Cfocalpoint 900w, https:\/\/images-assets.nasa.gov\/image\/as17-134-20476\/as17-134-20476~large.jpg?w=1200&h=1174&fit=crop&crop=faces%2Cfocalpoint 1200w\" sizes=\"(max-width: 1919px) 100vw, 1919px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<div id=\"\" class=\"nasa-gb-align-full width-full maxw-full padding-x-3 padding-y-0 article_a hds-module hds-module-full wp-block-nasa-blocks-credits-and-details\">\n<section class=\"padding-x-0 padding-top-5 padding-bottom-2 desktop:padding-top-7 desktop:padding-bottom-9\">\n\t<div class=\"grid-row grid-container maxw-widescreen padding-0\">\n\t\t<div class=\"grid-col-12 desktop:grid-col-2 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n\t\t\t<div class=\"padding-top-3 border-top-1px border-color-carbon-black\">\n\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t<h2 class=\"heading-14\">Share<\/h2>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"padding-bottom-2\">\n\t\t\t\t\t<ul class=\"social-icons social-icons-round\">\n\t\t\t\t\t\t<li class=\"social-icon social-icon-x\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/x.com\/intent\/tweet?via=NASA&text=Advanced%20Composites%20Project%20Publications&url=https%3A%2F%2Fwww.nasa.gov%2Fdirectorates%2Farmd%2Faavp%2Fac%2Fadvanced-composites-project-publications%2F\" aria-label=\"Share on X.\">\n\t\t\t\t\t\t\t\t<svg width=\"1200\" height=\"1227\" viewBox=\"0 0 1200 1227\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M714.163 519.284L1160.89 0H1055.03L667.137 450.887L357.328 0H0L468.492 681.821L0 1226.37H105.866L515.491 750.218L842.672 1226.37H1200L714.137 519.284H714.163ZM569.165 687.828L521.697 619.934L144.011 79.6944H306.615L611.412 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LinkedIn.\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4.98 3.5c0 1.381-1.11 2.5-2.48 2.5s-2.48-1.119-2.48-2.5c0-1.38 1.11-2.5 2.48-2.5s2.48 1.12 2.48 2.5zm.02 4.5h-5v16h5v-16zm7.982 0h-4.968v16h4.969v-8.399c0-4.67 6.029-5.052 6.029 0v8.399h4.988v-10.131c0-7.88-8.922-7.593-11.018-3.714v-2.155z\"\/><\/svg>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<li class=\"social-icon social-icon-rss\">\n\t\t\t\t\t\t\t<a href=\"\/feed\/\" aria-label=\"Subscribe to RSS feed.\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 800 800\" aria-hidden=\"true\"><path d=\"M493 652H392c0-134-111-244-244-244V307c189 0 345 156 345 345zm71 0c0-228-188-416-416-416V132c285 0 520 235 520 520z\"\/><circle cx=\"219\" cy=\"581\" r=\"71\"\/><\/svg>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n\t\t\t<div class=\"padding-top-3 border-top-1px border-color-carbon-black\">\n\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t<h2 class=\"heading-14\">Details<\/h2>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"grid-row margin-bottom-3\">\n\t\t\t\t\t<div class=\"grid-col-4\">\n\t\t\t\t\t\t<div class=\"subheading\">Last Updated<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"grid-col-8\">Jul 25, 2023<\/div>\n\t\t\t\t<\/div>\n\t\t\t<div class=\"grid-row margin-bottom-3\"><div class=\"grid-col-4\"><div class=\"subheading\">Editor<\/div><\/div><div class=\"grid-col-8\">Lillian Gipson<\/div><\/div><div class=\"grid-row margin-bottom-3\"><div class=\"grid-col-4\"><div class=\"subheading\">Contact<\/div><\/div><div class=\"grid-col-8\"><div class=\"margin-bottom-3\"><div>Jim Banke<\/div><div><a href=\"mailto:jim.banke@nasa.gov\">jim.banke@nasa.gov<\/a><\/div><\/div><\/div><\/div>\t\t\t<\/div>\n\t\t<\/div>\n\t<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\"><div class=\"padding-top-3 border-top-1px border-color-carbon-black \"><div class=\"margin-bottom-2\"><h2 class=\"heading-14\">Related Terms<\/h2><\/div><ul class=\"article-tags\"><li class=\"article-tag\"><a href=\"https:\/\/www.nasa.gov\/directorates\/armd\/aavp\/ac\/\">Advanced Composites<\/a><\/li><\/ul><\/div><\/div>\n\t<\/div>\n<\/section>\n\t<\/div>","protected":false},"excerpt":{"rendered":"<p>2C18 PDA  2020  |  2019  |  2018  |  2017  |  2016  |  2015  |  20142C19 HEDI  2020  |  2019  |  2018  |  2017  |  2016  |  2015  |  20142C20 Rapid Tools  2020  |  2019  |  2018  |  2017  |  20162C21 Rapid Inspection  2020  |  2019  |  2018  |  2017  |  2016  |  2015  |  20142C22 [...]<\/p>\n","protected":false},"author":48,"featured_media":67850,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nasa_hds_core_meta_l10n":"en-US","nasa_hds_core_meta_article_editor":"48","nasa_hds_core_meta_article_contacts":["47"],"nasa_hds_core_meta_article_topic":"","nasa_hds_core_meta_linked_locations":[],"nasa_hds_core_meta_article_related_articles":[],"hds_migrate_meta_pr_release_id":"","hds_migrate_meta_pr_release_type":"","nasa_hds_core_meta_location_x":"","nasa_hds_core_meta_location_y":"","nasa_hds_core_meta_gallery_images":[],"footnotes":""},"categories":[12735],"news-tags":[],"internal-terms":[10616,10831],"coauthors":[],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"NewsArticle","headline":"Advanced Composites Project Publications","url":"https:\/\/www.nasa.gov\/directorates\/armd\/aavp\/ac\/advanced-composites-project-publications\/","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.nasa.gov\/directorates\/armd\/aavp\/ac\/advanced-composites-project-publications\/"},"thumbnailUrl":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?w=150&h=150&crop=1","image":{"@type":"ImageObject","url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png"},"articleSection":"NASA Directorates","author":[{"@type":"Person","name":"Lillian Gipson"}],"creator":["Lillian Gipson"],"publisher":{"@type":"Organization","name":"NASA","logo":"https:\/\/www.nasa.gov\/wp-content\/themes\/nasa\/assets\/images\/nasa-logo.svg"},"keywords":["NASA Directorates","Aeronautics Research Mission Directorate","Advanced Air Vehicles Program","Advanced Composites"],"dateCreated":"2021-04-16T18:51:00Z","datePublished":"2021-04-16T18:51:00Z","dateModified":"2023-07-25T16:11:25Z"},"rendered":"<meta name=\"parsely-title\" content=\"Advanced Composites Project Publications\" \/>\n<meta name=\"parsely-link\" content=\"https:\/\/www.nasa.gov\/directorates\/armd\/aavp\/ac\/advanced-composites-project-publications\/\" \/>\n<meta name=\"parsely-type\" content=\"post\" \/>\n<meta name=\"parsely-image-url\" content=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png?w=150&h=150&crop=1\" \/>\n<meta name=\"parsely-pub-date\" content=\"2021-04-16T18:51:00Z\" \/>\n<meta name=\"parsely-section\" content=\"NASA Directorates\" \/>\n<meta name=\"parsely-tags\" content=\"NASA Directorates,Aeronautics Research Mission Directorate,Advanced Air Vehicles Program,Advanced Composites\" \/>\n<meta name=\"parsely-author\" content=\"Lillian Gipson\" \/>","tracker_url":"https:\/\/cdn.parsely.com\/keys\/nasa.gov\/p.js"},"read_time":54,"time_ago":"3 years","featured_image":{"id":67850,"file":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/05\/acp-publications.png","title":"acp-publications","alt":"Advanced Composites 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