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Published November 10, 2015 | Accepted Version
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Evaluation of Equation of State Data


Equations of state for earth materials are necessary for the calculation of intense stress-wave propagation and seismic coupling resulting from explosions or impacts on or within the earth's crust. Because of the wide range of dynamic pressures which are induced within the vicinity of a nuclear explosion, the equations of state which are of interest will describe the response of a medium over a range of conditions from thousands of kilobars and tens of thousands of degrees down to a fraction of a bar and ambient temperature. The present program has been concerned with the analysis of a large body of published data obtained by shock-wave techniques which describe the dynamic behavior of a number of earth materials below 2 megabars. Most of these data are expressed in terms of Hugoniot curves, however the authors have used additional data such as composition of the rocks or minerals involved, thermodynamic properties, and attempted to examine the systematics of the equations of state of these materials. The authors have also reduced the shock- wave data to pressure-volume-temperature variables.

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© 1970. Final rept. 1 Jun 1968-31 Aug 1969. APPROVED FOR PUBLIC RELEASE

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