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A model for extreme plasticity

Abstract:

We present a mathematical model for elastoplasticity in the regime where the applied stress greatly exceeds the yield stress. This scenario is typically found in violent impact testing, where millimetre thick metal samples are subjected to pressures on the order of 10–102 GPa, while the yield stress can be as low as 10−2 GPa. In such regimes the metal can be treated as a barotropic compressible fluid in which the strength, measured by the ratio of the yield stress to the applied stress, is ne...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1016/j.jmps.2016.04.035

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Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Institute
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Institute
Publisher:
Elsevier Publisher's website
Journal:
Journal of the Mechanics and Physics of Solids Journal website
Volume:
94
Pages:
362–371
Publication date:
2016-05-13
Acceptance date:
2016-04-07
DOI:
ISSN:
0022-5096
URN:
uuid:bb4c71da-8b2c-4e86-8dbc-c07620193203
Source identifiers:
614148
Local pid:
pubs:614148

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