Temperature effects and fast-moving screw dislocations at high strain rate deformations

A Roos*, E.D.F. Metselaar, J.T.M. de Hosson, H.H.M. Cleveringa, E. van der Giessen

*Corresponding author for this work

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Abstract

In this paper, shear deformation at high strain rates is modeled within the framework of discrete dislocation plasticity. The method of discrete dislocation plasticity is extended to incorporate the temperature rise induced by moving dislocations. Also, the stress and displacement fields of a screw dislocation on inclined planes in a periodic structure are developed. The influence on the temperature rise on various micro-mechanical processes is discussed.

Original languageEnglish
Title of host publicationMULTISCALE MODELLING OF MATERIALS
EditorsVV Bulatov, T DiazdelaRubia, R Phillips, E Kaxiras, N Ghoniem
Place of PublicationWARRENDALE
PublisherMaterials Research Society
Pages93-98
Number of pages6
Volume538
ISBN (Print)1-55899-444-0
Publication statusPublished - 1999
EventSymposium on Multiscale Modelling of Materials, at the 1998 MRS Fall Meeting - , Morocco
Duration: 30-Nov-19983-Dec-1998

Publication series

NameMATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS
PublisherMATERIALS RESEARCH SOCIETY
Volume538
ISSN (Print)0272-9172

Other

OtherSymposium on Multiscale Modelling of Materials, at the 1998 MRS Fall Meeting
Country/TerritoryMorocco
Period30/11/199803/12/1998

Keywords

  • DISCRETE DISLOCATION
  • PLASTICITY

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