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Proceedings Paper

Measurement of shock waves in nonmetals with a VISAR system
Author(s): Masato Nakamura; Mazakazu Uchino; Tsutomu Mashimo
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Paper Abstract

The VISAR (Velocity Interferometer Systems for Any Reflector) is one of the most powerful measurement methods for the shock compression research of solids. We ourselves constructed a differential-type VISAR system for precise measurement of shock waves in solids. In this report, the construction of the VISAR is described. The measurement experiments of free surface velocity under shock compression were performed by using the present VISAR system and an optical fiber unit combined with a powder gun. The measurement of the fringe beat signals of free-surface motion were successful on a steel, and the velocity history was analyzed. The measurements were also performed on a few non-metallic materials (LiF and Si3N4), in this study.

Paper Details

Date Published: 28 May 1997
PDF: 5 pages
Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); doi: 10.1117/12.273412
Show Author Affiliations
Masato Nakamura, Kumamoto Univ. (Japan)
Mazakazu Uchino, Kumamoto Univ. (Japan)
Tsutomu Mashimo, Kumamoto Univ. (Japan)

Published in SPIE Proceedings Vol. 2869:
22nd International Congress on High-Speed Photography and Photonics
Dennis L. Paisley; ALan M. Frank, Editor(s)

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