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Accession Number:
AD0883978
Title:
Development of Nondestructive Test Techniques for Multidirectional Fiber-Reinforced Resin Matrix Composites.
Corporate Author:
MCDONNELL DOUGLAS ASTRONAUTICS CO-WEST SANTA MONICA CA
Report Date:
1971-02-01
Abstract:
The first year of effort on a two year duration program was designed to nondestructively evaluate as-woven multidirec-tional quartz yarn reinforcement material processed through impregnation and cure cycles, and make preliminary nondes- tructive assessment of the cured composite materials. Both film and television imaging X-ray techniques were employed on both the as-woven reinforcement and the impregnated and cured composite. Nuetron radiography with doped and undoped cured composite specimens was conducted and conducted and evaluated as compared to conventional X-ray radiography. The cured composite was also evaluated using sound velocity through the thickness, ultrasonic pulse-echo techniques, and ultra-sonic through transmission attentuation C-scan mapping. The results of the first years effort indicate significant advancement in the application of current state-of-the-art nondestructive techniques. Both X-ray and ultrasonic tech-nuques can be used effectively to assess material variability and discrete irregularities in the material. Author-PL
Descriptive Note:
Annual rept. Jun 69-Jun 70,
Pages:
0146
Contract Number:
F33615-69-C-1624
File Size:
0.00MB
