publication . Article . 1994

Shock wave equation of state of powder material

D. K. Dijken; J. Th. M. De Hosson;
Open Access English
  • Published: 15 Jan 1994
A model is proposed to predict the following quantities for powder materials compacted by shock waves: the pressure, the specific volume, the internal energy behind the shock wave, and the shock-wave velocity U-s. They are calculated as a function of flyerplate velocity u(p) and initial powder specific volume V-00. The model is tested on Cu, Al2024, and Fe. Calculated U-s vs u(p) curves agree well with experiments provided V-00 is smaller than about two times the solid specific volume. The model can be used to predict shock-wave state points of powder or solid material with a lower or higher initial temperature than room temperature.
free text keywords: POROUS MATERIALS, HUGONIOT, MODEL, Solid material, Internal energy, Porous medium, Shock wave, Physics, Equation of state, Mathematical model, Thermodynamics
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