Paper Title:
Numerical Study of the Influence of Dislocation Microstructure on Metallic Materials Mechanical Behaviour
  Abstract

A two-level homogenisation approach is applied to the micro-mechanical modelling of the elasto-plasticity of polycrystalline materials during various strain-path changes. The model is tested by simulating the development of intragranular strains during different complex loads. Mechanical tests measurements are used as a reference in order to validate the model. The anisotropy of plastic deformation in relation to the evolution of the dislocation structure is analysed. The results demonstrate the relevance of this approach for FCC polycrystals.

  Info
Periodical
Materials Science Forum (Volumes 524-525)
Edited by
W. Reimers and S. Quander
Pages
511-516
DOI
10.4028/www.scientific.net/MSF.524-525.511
Citation
D. Gloaguen, J. Fajoui, B. Courant, R. Guillén, "Numerical Study of the Influence of Dislocation Microstructure on Metallic Materials Mechanical Behaviour", Materials Science Forum, Vols. 524-525, pp. 511-516, 2006
Online since
September 2006
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Price
$32.00
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