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Proceedings Paper

High-speed photography of dynamic photoelastic experiment with a highly accurate blasting machine
Author(s): Kunihisa Katsuyama; Yuji Ogata; Yuji Wada; K. Hashizume
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Paper Abstract

A high accurate blasting machine which could control 1 microsecond(s) was developed. At first, explosion of a bridge wire in an electric detonator was observed and next the detonations of caps were observed with a high speed camera. It is well known that a compressed stress wave reflects at the free face, it propagates to the backward as a tensile stress wave, and cracks grow when the tensile stress becomes the dynamic tensile strength. The behavior of these cracks has been discussed through the observation of the dynamic photoelastic high speed photography and the three dimensional dynamic stress analysis.

Paper Details

Date Published: 30 May 1995
PDF: 8 pages
Proc. SPIE 2513, 21st International Congress on: High-Speed Photography and Photonics, (30 May 1995); doi: 10.1117/12.209557
Show Author Affiliations
Kunihisa Katsuyama, National Institute for Resources and Environment (Japan)
Yuji Ogata, National Institute for Resources and Environment (Japan)
Yuji Wada, National Institute for Resources and Environment (Japan)
K. Hashizume, Nippon Kayaku Co. Ltd. (Japan)


Published in SPIE Proceedings Vol. 2513:
21st International Congress on: High-Speed Photography and Photonics
Ung Kim; Joon-Sung Chang; Seung-Han Park, Editor(s)

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