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Proceedings Paper

Diffraction Moire: The Dynamic Regime
Author(s): V. A. Deason; J. S. Epstein; W. G. Reuter
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Paper Abstract

Diffraction moire interferometry has been applied to numerous static and slowly changing stress configurations. This technique has now been extended to the study of dynamic loading events, especially to the interaction of dynamic stress waves with such flaws as cracks or with the variations in composition found in composite materials. A pulsed ruby laser was used to provide the rapid (20 ns wide), brilliant, and coherent illumination required for these studies. The technique and several specific applications are described. Key words: Dynamic strain, dynamic moire', pulsed laser, fracture, composites, ceramics.

Paper Details

Date Published: 10 September 1987
PDF: 8 pages
Proc. SPIE 0746, Industrial Laser Interferometry, (10 September 1987); doi: 10.1117/12.939776
Show Author Affiliations
V. A. Deason, Idaho National Engineering Laboratory (United States)
J. S. Epstein, Idaho National Engineering Laboratory (United States)
W. G. Reuter, Idaho National Engineering Laboratory (United States)

Published in SPIE Proceedings Vol. 0746:
Industrial Laser Interferometry
Ryszard J. Pryputniewicz, Editor(s)

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