High-Resolution Velocity Interferometer System For Any Reflector (VISAR) Laser Interferometer Measurements Of The Rear Side Response Of Impact Loaded Steel Plates

G. F. Kuscher; V. Hohler; A. J. Stilp

doi:10.1117/12.967785

1 March 1983 High-Resolution Velocity Interferometer System For Any Reflector (VISAR) Laser Interferometer Measurements Of The Rear Side Response Of Impact Loaded Steel Plates

G. F. Kuscher, V. Hohler, A. J. Stilp

Author Affiliations +

Proceedings Volume 0348, 15th Intl Congress on High Speed Photography and Photonics; (1983) https://doi.org/10.1117/12.967785
Event: 15th International Congress on High Speed Photography and Photonics, 1982, San Diego, United States

Abstract

Results of investigations of the rear side movement of RHA-plates under impact conditions are reported. Special emphasis is given to the rear side bursting processes, in an effort to get more detailed information about the time sequence of these processes and their mechanisms. By impact of thin disks and long rods, planar and hemispherical shock waves have been produced within the target plates. The rear side movement of the impact loaded plates was measured by means of a VISAR (Vqlocity Interferometer System for Any Reflector)-laser-interferometer. Thus, a quasi-continuous velocity-time-history of the whole process was obtained with a maximum time resolution of 5 nsec. The time sequence and the measured shock wave amplitudes of the rear side movement of the plate for the above mentioned loading conditions are completely different. This yields two different rear side fracturing mechanisms which will be discussed.

Citation Download Citation

G. F. Kuscher, V. Hohler, and A. J. Stilp "High-Resolution Velocity Interferometer System For Any Reflector (VISAR) Laser Interferometer Measurements Of The Rear Side Response Of Impact Loaded Steel Plates", Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); https://doi.org/10.1117/12.967785

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