Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain-size-sensitive creep: 2. Deformation experiments

In order to understand the effects of secondary minerals on the flow properties of rocks, we have conducted uniaxial compression experiments on polycrystalline forsterite (Fo) + enstatite (En) samples. At constant temperature and strain rate, the flow stress of the samples decreases with increasing...

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Bibliographic Details
Published in:Journal of geophysical research. Solid earth 2013-08, Vol.118 (8), p.3991-4012
Main Authors: Tasaka, Miki, Hiraga, Takehiko, Zimmerman, Mark E.
Format: Article
Language:English
Subjects:
Alloys
Creep (materials)
Deformation
enstatite
Exponents
Flow
flow strength
forsterite
Fractions
Geophysics
Grain size
grain size-sensitive creep
mantle
Mathematical models
Mineralogy
Minerals
Particle size
Phases
Rheology
Rock properties
secondary phase
Strain
Strength
Viscosity
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Summary:In order to understand the effects of secondary minerals on the flow properties of rocks, we have conducted uniaxial compression experiments on polycrystalline forsterite (Fo) + enstatite (En) samples. At constant temperature and strain rate, the flow stress of the samples decreases with increasing enstatite volume fraction ( fEn) for samples with 0 
ISSN:2169-9313
2169-9356
DOI:10.1002/jgrb.50284