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Dislocation motion and instability

Abstract:

The Peach-Koehler expression for the stress generated by a single (non-planar) curvilinear dislocation is evaluated to calculate the dislocation self stress. This is combined with a law of motion to give the self-induced motion of a general dislocation curve. A stability analysis of a rectilinear, uniformly translating dislocation is then performed. The dislocation is found to be susceptible to a helical instability, with the maximum growth rate occurring when the dislocation is almost, but n...

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Publication status:
Published

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Publisher copy:
10.1016/j.jmps.2013.03.002

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Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Inst
Role:
Author
Journal:
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS
Volume:
61
Issue:
8
Pages:
1835-1853
Publication date:
2013-08-05
DOI:
ISSN:
0022-5096
URN:
uuid:b1986cf0-7aac-4589-8be5-aba8385d8aaa
Source identifiers:
405676
Local pid:
pubs:405676

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