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Simulations of the inelastic response of silicon to shock compression

Abstract:
Recent experiments employing nanosecond white-light x-ray di↵raction have demonstrated a complex response of pure, single crystal silicon to shock compression on ultra-fast timescales. We present here details of a Lagrangian code which tracks both longitudinal and transverse strains, and successfully reproduces the experimental response by incorporating a model of the shock-induced, yet kinetically inhibited, phase transition. This model is also shown to reproduce results of classical molecular dynamics simulations of shock compressed silicon.
Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
More from this funder
Name:
Engineering and Physical Sciences Research Council
Funding agency for:
Wark, J
Grant:
EP/J017256/1
More from this funder
Name:
AWE
Funding agency for:
Stubley, P
Publisher:
Elsevier
Journal:
Computational Materials Science More from this journal
Volume:
128
Pages:
121–126
Publication date:
2016-12-18
Acceptance date:
2016-11-06
DOI:
ISSN:
0927-0256
Keywords:
Pubs id:
pubs:657335
UUID:
uuid:fba62d59-4830-4d32-8bba-84bed4136e00
Local pid:
pubs:657335
Source identifiers:
657335
Deposit date:
2016-11-06

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