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Plasticity induced by a shock wave: large scale molecular dynamics simulations

✍ Scribed by D. Tanguy; M. Mareschal; T.C. Germann; B.L. Holian; P.S. Lomdahl; R. Ravelo

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
218 KB
Volume
387-389
Category
Article
ISSN
0921-5093

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✦ Synopsis

We present the results of large scale non equilibrium molecular dynamics simulations of plasticity induced by a shock wave in a perfect fcc single crystal in the orientation [1 0 0]. Shockley loops are thermally nucleated behind the shock front. The algorithm used to identify and follow the time evolution of the dislocation loops is detailed. It enables the measure of the critical size that a slip fluctuation can reach before it shrinks back to a perfect configuration.

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