Effects of the grain size on the rheology of olivine

doi:10.7523/j.issn.2095-6134.2010.6.005

Abstract

Abstract:

Using the previous experimental data at high pressure and high temperature, the main parameters of rheological law for olivine were discussed. The grain size range for the rheological change were determined by the theoretical discriminant. The main rheological mechanism and the viscosity in the 150 kilometers’ depth were preliminarily discussed, and a deformation map of strain rate-stress-grain size under certain conditions was obtained.

Key words: olivine, grain size, creep, rheological weakening

CLC Number:

P578.942

SUN Li-Jiang, MA Mai-Ning. Effects of the grain size on the rheology of olivine[J]. , 2010, 27(6): 761-767.

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