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'The brittle-to-ductile transition .1. A cooperative dislocation generation instability .2. Dislocation dynamics and the strain rate dependence of the transition temperature''' - Comment

Abstract:

P.B. Hirsch and S.G. Roberts (HR) maintain that the model for the brittle-to-ductile transition and its strain rate-dependence proposed by Khantha, Pope and Vitek (KPV) and Khantha (MK), respectively, is inaccurate. HR believe that on the KPV model, the sharp transition is inherently strain rate-independent because the model does not take into account dislocation/lattice interactions which cause velocity-dependent lattice friction stress. As to the MK hypothesis for the strain rate dependence...

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Publication status:
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Authors


Hirsch, PB More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Publisher:
Pergamon Press Inc
Journal:
SCRIPTA MATERIALIA
Volume:
35
Issue:
2
Pages:
291-295
Publication date:
1996-07-15
DOI:
ISSN:
1359-6462
URN:
uuid:7b23ad1e-4269-4427-8e4a-a67d80d27718
Source identifiers:
9495
Local pid:
pubs:9495
Language:
English

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