Quantitative non-destructive evaluation of porous composite materials based on ultrasonic wave propagation
Subtitle: semiannual progress report, March 15, 1987 - September 14, 1987
By: principal investigator James G. Miller.
Contributors: Langley Research Center.
Series: NASA contractor report -- NASA CR-181275.
Publisher: Washington University, Dept. of Physics, Laboratory for Ultrasonics; NASA Langley Research Center; National Technical Information Service, distributor
Published: 1987
Place of publication: St. Louis, Mo; Hampton, Va; [Springfield, Va
Language: eng
Format: Microform
Subjects: Composite structures.; Nondestructive tests.; Porosity.; Ultrasonic flaw detection.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1987] 1 microfiche.