A Proposed Equation of State of Stishovite

  title={A Proposed Equation of State of Stishovite},
  author={Thomas J. Ahrens and Taro Takahashi and Geoffrey F. Davies},
The available shock-wave data for solid .a quartz in the stishovite pressure regime are reduced to a 25øC isotherm and an adiabat, centered at standard conditions, using recent standard density, enthalpy, and coefficient of thermal expansion data. The calculated isothermal bulk modulus, 3 Mb, as determined from the Bireh-Murnaghan equation, depends critically on the value of (dK/dP)•, at zero pressure and to a yet unknown extent on the form of the equation of state. The high-temperature value… CONTINUE READING

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