Accession Number : ADA301944

Title :   A Study of the Stress Wave Factor Technique for Nondestructive Evaluation of Composite Materials.

Descriptive Note : Final rept.,

Corporate Author : VIRGINIA POLYTECHNIC INST AND STATE UNIV BLACKSBURG DEPT OF ENGINEERING SCIEN CE AND MECHANICS

Personal Author(s) : Sarrafzadeh-Khoee, A. ; Kiernan, M. T. ; Duke, J. C., Jr. ; Henneke, E. G., II

PDF Url : ADA301944

Report Date : JUL 1986

Pagination or Media Count : 34

Abstract : This interim report updates the reported findings under NASA Grant 3-172. Included are descriptions of a novel optical in-plane/out-of-plane displacement sensor, a data acquisition system, an extensive data analysis software package, the azimuthal variation of acousto-ultrasonic behavior in graphite/epoxy laminates, nd preliminary examination of processing variation in graphite/aluminum tubes.

Descriptors :   *NONDESTRUCTIVE TESTING, *COMPOSITE MATERIALS, *STRESS WAVES, COMPUTER PROGRAMS, DATA PROCESSING, ALUMINUM ALLOYS, GRAPHITE, VARIATIONS, EPOXY LAMINATES, DATA ACQUISITION, AZIMUTH, TUBES, GRAPHITE EPOXY COMPOSITES.

Subject Categories : Laminates and Composite Materials
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE