Acousto-ultrasonic technique utilizing computer and waveform digitizer developed for nondestructive evaluation (NDE) of composite materials. Technique employed on filament-wound composite (FWC) specimens cut from sample segments of graphite/epoxy cylinders. Developed for use on large composite structures to verify integrity and assure reusability. Similar applications of technique anticipated for variety of composite structures, such as pipelines and storage tanks.
Measuring the Interlaminar Shear Strengths of Composites
NASA Tech Briefs ; 11 , 7
1987-07-01
Miscellaneous
No indication
English
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