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Description of evolving anisotropy at large strains

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Author

Summary, in English

A description of texture evolution at large strain plasticity is developed. Texture evolution is defined in terms of changes taking place in the substructure of the material. The changes in the substructure are specified by means of a tangent map defined in the same manner as for the continuum in terms of a multiplicative decomposition. It is shown that the description of the changes in the substructure can be formulated in a way completely analogous to the description of the deformation of the continuum. Within the framework of thermodynamics the evolution of the substructure, driven by its conjugated force emerging from the dissipation inequality, is studied. The performance of the model presented is studied in relation to off-axis uniaxial stress, the evolution of the substructure being compared with experimental findings. In addition, two different evolution laws for cubic material symmetry are investigated.

Department/s

Publishing year

2007

Language

English

Pages

267-282

Publication/Series

Mechanics of Materials

Volume

39

Issue

3

Document type

Journal article

Publisher

Elsevier

Topic

  • Mechanical Engineering

Keywords

  • Texture evolution
  • Anisotropy
  • Large strains
  • Plasticity

Status

Published

ISBN/ISSN/Other

  • ISSN: 0167-6636