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Original Articles

Three-dimensional model of martensitic transformations with elasto-plastic effects

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Pages 1495-1510 | Received 30 Mar 2009, Accepted 04 Oct 2009, Published online: 08 Apr 2010
 

Abstract

Martensitic transformations with elasto-plastic effects caused by the formation of dislocations in a parent austenite phase are studied by using a phase-field description. The method presented in this paper extends an existing microelastic model for the simulation of coherent martensitic transformations by taking into account the dislocation dynamics. Computational results show the difference between coherent and partially coherent martensitic transformation and illuminate elasto-plastic effects of transformation dislocations on the final martensitic microstructure.

Acknowledgements

The authors would like to thank J. Hubert for valuable discussions and support and S. Cottenier for a critical reading of this manuscript. J.Z. gratefully acknowledges the financial support of the EPSRC through an Advanced Research Fellowship (GR/S99037/1). The Interactive Ideas Factory at the University of Bath, an EPSRC Bridging the Gaps project (EP/E018122/1) funded a visit of H.E. to the University of Bath.

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