Measurement of elastic constants of mantle-related minerals at temperatures up to 1800 K

Details Measurement of elastic constants of mantle-related minerals at temperatures up to 1800 K Measurement of elastic constants of mantle-related minerals at temperatures up to 1800 K

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pepi...55..241a&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 55, Issue 3-4, p. 241-253.

Physics

9

Scientific paper

The main purpose of this paper is to describe in some detail an experiment which allows the measurement of elastic constants of mantle minerals into the temperature range exceeding T/θ = 1.5, where θ is the Debye temperature. We need these experimental data to establish firmly the thermodynamic and mechanical behavior of solids well into the classical range of T, which is of especial interest to lower mantle geophysics.
The second purpose is to describe two applications of the experiment, of special importance to geophysics: (1) the determination of υp and υs seismic velocities up to upper mantle temperatures, and the method of extrapolation to lower mantle temperatures; and (2) the calculation of critical parameters for use in mantle thermodynamics. The experiment is called rectangular parallelepiped resonance (RPR).

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