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Elastically accommodated grain-boundary sliding: New insights from experiment and modeling

Jackson, Ian; Faul, Ulrich; Skelton, Richard

Description

Substantial progress is reported towards a reconciliation of experimental observations of high-temperature viscoelastic behaviour of fine-grained materials with the micromechanical theory of grain-boundary sliding. The classic Raj-Ashby theory of grain boundary sliding has recently been revisited - confirming the presence of the following features: (i) at a characteristic period τe much less than the Maxwell relaxation time τd, a dissipation peak of amplitude ~10-2 and associated shear modulus...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/69607
Source: Physics of the Earth and Planetary Interiors
DOI: 10.1016/j.pepi.2013.11.014

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