Abstract
The properties of high-porosity powder mixtures during shock-wave loading are determined using a thermodynamically equilibrium model. The calculations performed with this model agree well with the data obtained from experiments over a wide pressure range. An equation of state of the Mie–Gruneisen type is used for condensed phases on the assumption of a temperature-dependent Gruneisen coefficient. The thermodynamic properties of mixtures are described for two or more condensed components over wide pressure and porosity ranges up to aerogels. Only the parameters of components are used to calculate the behavior their mixtures. The calculation results are compared with both the experimental data and the simulation results obtained by other authors.
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