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RESEARCH PAPERS

Impact Techniques for the Study of Physical Properties of Solids Under Shock-Wave Loading

[+] Author and Article Information
R. A. Graham

Sandia Laboratory, Albuquerque, N. M.

J. Basic Eng 89(4), 911-918 (Dec 01, 1967) (8 pages) doi:10.1115/1.3609736 History: Received August 01, 1966; Online November 03, 2011

Abstract

Measurements of various physical properties of solids while they are subjected to shock-wave loading from precisely aligned projectile impacts are described in order to illustrate the unique features and capabilities of the impact experiment. Results and experimental techniques are shown for the measurements of: (1) the piezoelectric coefficient of X-cut quartz from 2.6 to 25 kbar, (2) the permittivity change of 60 deg orientation sapphire from 20 to 100 kbar, (3) the resistance of [111] germanium which gives resistivity data in the elastic range and permits identification of the solid-solid phase transition at about 120 kbar, and (4) the compressibility of ferromagnetic fcc 30 Ni-70 percent Fe from 4 to 50 kbar which permits identification of the pressure-induced Curie point transition and a complete thermodynamic description of the transition.

Copyright © 1967 by ASME
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