Paper
28 May 1997 Optical techniques for determining dynamic material properties
Dennis L. Paisley, David B. Stahl
Author Affiliations +
Proceedings Volume 2869, 22nd International Congress on High-Speed Photography and Photonics; (1997) https://doi.org/10.1117/12.273354
Event: 22nd International Congress on High-Speed Photography and Photonics, 1996, Santa Fe, NM, United States
Abstract
Miniature plates are laser-launched with a 10-Joule Nd:YAG for 1D impacts on to target materials much like gas gun experiments and explosive plane wave plate launch. By making the experiments small, flyer plates (3 mm diameter X 50 micron thick) and targets (10 mm diameter X 200 micron thick), 1D impact experiments can be performed in a standard laser-optical laboratory with minimum confinement and collateral damage. The laser-launched plates do not require the traditional sabot on gas guns nor the explosives needed for explosive planewave lenses, and as a result are much more amenable to a wide variety of materials and applications. Because of the small size very high pressure gradients can be generated with relative ease. The high pressure gradients result in very high strains and strain rates that are not easily generated by other experimental methods. The small size and short shock duration (1 - 20 ns) are ideal for dynamically measuring both strengths of micron-thick coatings. Experimental techniques, equipment, and dynamic material results are reported.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dennis L. Paisley and David B. Stahl "Optical techniques for determining dynamic material properties", Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); https://doi.org/10.1117/12.273354
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Cited by 2 scholarly publications.
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KEYWORDS
Explosives

Nd:YAG lasers

Interfaces

Laser applications

Lenses

Absorption

Laser induced damage

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