# Presentation: 842613

## HFM R&D program overview

- _Outlines:_
- Program goals
- Program structure
- Budget
- Activities
- Presentations
- Publications

## HFM Program goals

- Development of SC _accelerator_ magnets
- operating at 4.3-4.5 K
- with nominal magnetic fields above 10 T
- with large critical temperature margin
- for different applications
- Development and study of new SC strands, cables and structural materials
- Development of new cost effective and robust fabrication technologies
- Development of necessary expertise and infrastructure at Fermilab** **

- A. Zlobin

- 2/24/98

## HFM Program structure

- A. Zlobin

- 2/24/98

## Management

- Meetings for discussion and coordination efforts, schedule and technical issues:
- Monday production meeting (IB3)
- Wednesday working group meeting (ICB)
- MS Project for project schedule monitoring.

- A. Zlobin

- 2/24/98

## HFM Program budget 

- Man-power summary
- Budget summary

- A. Zlobin

- 2/24/98

## Summary of activities

- DS – design study; CDS – conceptual design study;  MQXB – NbTi quad for the LHC IRs; SEM – scanning electron microscope;
- MM – mechanical models; HFDA – cos-theta dipole models; HFDB – racetracks; HFDC – common coil dipole models

- A. Zlobin

- 2/24/98

## Presentations

- Program reviews: twice per year by AAC since 1999
- Presentations at VLHC workshops, Snowmass2001, LHC collaboration meeting, LTSC Workshops
- Conferences

- A. Zlobin

- 2/24/98

## Publications (summary)

- Number of publications
- Publication** **topics

- A. Zlobin

- 2/24/98

## Publication list

- G. Ambrosio et al., “Conceptual Design of the Fermilab Nb3Sn High Field Dipole Model”, 1999 Particle Accelerator Conference, New York, Proceedings, March 1999, pp. 174-176.
- D.R. Chichili et al., “Niobium-Tin Magnet Technology Development at Fermilab“, 1999 Particle Accelerator Conference, New York, Proceedings, March 1999.
- E. Barzi et al., “Study of Strand Critical Current Degradation in a Rutherford Type Nb3Sn Cable”, CEC’99, Montreal (Canada), July 1999.
- G. Ambrosio et al., “Conceptual Design Study of High Field Magnets for Very Large Hadron Collider”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.310.
- G. Ambrosio et al., “Conceptual Design of a Common Coil Dipole for VLHC”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.330.
- G. Ambrosio et al., “Development of the 11 T Nb3Sn Dipole Model at Fermilab”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.298.
- G. Ambrosio et al., “Magnetic Design of the Fermilab 11 T Nb3Sn Short Dipole Model”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.322.
- G. Ambrosio at al., “Mechanical Design and Analysis of the Fermilab 11 T Nb3Sn Dipole Model”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.306.
- G. Ambrosio et al., “Study of the React and Wind Technique for a Nb3Sn Common Coil Dipole”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.338.
- N. Andreev et al., “Fabrication and Testing of High Field Dipole Mechanical Model”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.314.
- E. Barzi et al., “Heat Treatment Study of Nb3Sn Strands for the Fermilab’s High Field Dipole Model”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.1000.
- D. R. Chichili, et al., “Investigation of Cable Insulation and Thermo-Mechanical Properties of Epoxy Impregnated Nb3Sn Composite”, *MT-16, *Tallahassee, FL, Sept. 1999. IEEE Transactions on Applied Superconductivity, v. 10, No. 1, March 2000, p.1317.

- A. Zlobin

- 2/24/98

## Publication list (cont.)

- D.R. Chichili et al., “Fabrication of the Shell-Type Nb3Sn Dipole Model at Fermilab”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2160.
- V.V. Kashikhin and A.V. Zlobin, “Magnetic Designs of 2-in-1 Nb3Sn Dipole Magnets for VLHC”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2176.
- V.V. Kashikhin and A.V. Zlobin, “Correction of the Persistent Current Effect in Nb3Sn Dipole Magnets”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2058.
- D.R. Chichili et al., “Mechanical Design and Analysis of Fermilab 2-in-1 Shell-Type Nb3Sn Dipole Models”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2288.
- I. Novitski et al., “Design and Mechanical Analysis of a Single-Layer Common Coil Dipole for VLHC”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2276.
- G. Ambrosio et al., “Development of React & Wind Common Coil Dipoles for VLHC”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2172.
- R. Yamada et al., “Design and Considerations on Long Nb3Sn High Field Magnets for Hadron Colliders”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2054.
- S. Yadav et al., “Coil Design Issues for the High Field Dipole at Fermilab”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2284.
- P. Bauer et al., “Fabrication and Testing of Rutherford-Type Cables for React and Wind Accelerator Magnets”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2457.
- E. Barzi et al., “Study of Nb3Sn Strands for Fermilab’s High Field Dipole Models”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 3595.
- E. Barzi et al., “Strand Critical Current Degradation in Nb3Sn Rutherford Cables”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 2134.
- E. Barzi et al., “Heat treatment optimization of internal tin Nb3Sn strands”, ASC’2000, Virginia Beach, VG, Sept. 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 3573.

- A. Zlobin

- 2/24/98

## Publication list (cont.)

- J. McDonald and E. Barzi, “A Model for Jc in Granular A-15 Superconductors”, ASC’2000, Virginia Beach, VG, September 2000. IEEE Transactions on Applied Superconductivity, v. 11, No. 1, March 2001, p. 3884.
- G.W. Foster, P.J. Limon, A.V. Zlobin, “Fermilab advanced accelerator magnet and superconductor R&D programs”, HEP – Advanced Technology Research and Development 2000, DOE/SC-0032.
- “Design study for a staged Very Large Hadron Collider”, Fermilab-TM-2149, June 4, 2001.
- T. Sen, J. Strait, A.V. Zlobin, “Second Generation High Gradient Quadrupoles for the LHC Interaction Regions”, RPPH083, PAC’01, Chicago, IL, June 2001.
- A.V. Zlobin, G. Ambrosio, N. Andreev, E. Barzi, D. Chichili, V.V. Kashikhin, P.J. Limon, I. Terechkine, S. Yadav, R. Yamada, “Development of cos-theta Nb3Sn dipole magnets for VLHC”, RPPH085, PAC’01, Chicago, IL, June 2001.
- N. Andreev, D. Chichili, C. Christensen, J. DiMarco, V.V. Kashikhin, P. Schlabach, C. Sylvester, I. Terechkine, J.C. Tompkins, G. Velev, A.V. Zlobin, “Field quality of the Fermilab Nb3Sn high field dipole model”, RPPH082, PAC’01, Chicago, IL, June 2001.
- V.V. Kashikhin, A.V. Zlobin, “Single-layer high field dipole magnets”, RPPH081, PAC’01, Chicago, IL, June 2001.
- V.V. Kashikhin, A.V. Zlobin, “Nb3Sn arc quadrupole magnets for VLHC”, RPPH080, PAC’01, Chicago, IL, June 2001.
- G. Ambrosio, N. Andreev, E. Barzi, P. Bauer, D. Chichili, K. Ewald, L. Imbasciati, V.V. Kashikhin, P. Limon, I. Novitsli, J.M. Rey, R. Scanlan, S. Yadav, R. Yamada, A.V. Zlobin, “Design and development of Nb3Sn single-layer common coil dipole magnet for VLHC”, RPPH079, PAC’01, Chicago, IL, June 2001.
- L. Imbasciati, P. Bauer, G. Ambrosio, V. Kashikhin, M. Lamm, A.V. Zlobin, “Quench protection of high field Nb3Sn magnets for VLHC”, RPPH095, PAC’01, Chicago, IL, June 2001.
- P. Bauer, C. Darve, P. Limon, I. Terechkine, N. Solyak, M. Pivi, W.C. Turner, S. Sharma, “Synchrotron Radiation Issues in the VLHC”, Proceedings of the 2001 Particle Accelerator Conference, Chicago, June 2001
- M. Pivi, W.C. Turner, P. Bauer, P. Limon, “Synchrotron Radiation and Beam Tube Vacuum in a Very Large Hadron Collider, Stage 1 and Stage 2 VLHC”, Proceedings of the 2001 Particle Accelerator Conference, Chicago, June 2001

- A. Zlobin

- 2/24/98

## Publication list (cont.)

- J.-M. Rey, E. Barzi, S. Mattafirri, J. Hoffman, R. Yamada, “Effect of Partially Reacting Nb3Sn Before Magnet Winding on the Strand Critical Current”, Proceedings of the Cryogenic Engineering and International Cryogenic Materials Conference, Jul. 16-20, 2001, Madison, WI.
- E. Barzi, G. Ambrosio, M. Fratini, P. Bauer, R.M. Scanlan, R. Yamada, A.V. Zlobin, “Study of Nb3Sn strands and cables for Fermilab’s common coil dipole models”, CEC/ICMC’01, Madison, WI, July 2001.
- G. Ambrosio, N. Andreev, E. Barzi, P. Bauer, R. Carcagno, D. Chichili, K. Ewald, S. Feher, L. Imbasciati, V.V. Kashikhin, P. Limon, I. Novitsli, D. Orris, Y. Pischalnikov, C. Sylvester, J. Tompkins, S. Yadav, A. Zlobin, “Development and test of a Nb3Sn racetrack magnet using react and wind technology”, CEC/ICMC’01, Madison, WI, July 2001.
- E. Barzi, M. Fratini, A.V. Zlobin, “A device to test critical current sensitivity of Nb3Sn cables to pressure”, CEC/ICMC’01, Madison, WI, July 2001.
- N. Andreev, E. Barzi, D.R. Chichili, S. Mattafirri, and A.V. Zlobin, “Volume expansion of Nb-Sn strands and cables during heat treatment”, CEC/ICMC’01, Madison, WI, July 2001.
- V.V. Kashikhin, A.V. Zlobin, “Magnetic designs and field quality of Nb3Sn accelerator magnets”, MT-17, Geneva, Switzerland, Sept. 2001.
- N. Andreev et al., “Development and test of single-bore cos-theta Nb3Sn dipole models with cold iron yoke”, MT-17, Geneva, Switzerland, Sept. 2001.
- N.I. Andreev, D.R. Chichili, I.M. Terechkine, A.V. Zlobin, “Development and study of insulation  systems for Nb3Sn accelerator magnets”, MT-17, Geneva, Switzerland, Sept. 2001.
- E. Barzi et al., “Superconductor and cable R&D for high field accelerator magnets at Fermilab”, MT-17, Geneva, Switzerland, Sept. 2001.
- G. Ambrosio et al., “ R&D for a single-layer Nb3Sn common coil dipole using the react-and-wind fabrication technique”, MT-17, Geneva, Switzerland, Sept. 2001.
- P. Bauer, M. Dietrich, G.W. Foster, V.V. Kashikhin, P.J. Limon, V. Shiltsev, N. Solyak, “The influence of accelerator physics on the magnet design of a Very Large Hadron Collider”, MT-17, Geneva, Switzerland, Sept. 2001.

- A. Zlobin

- 2/24/98