Dislocation-crystal plasticity simulation based on self-organization for repartition of dislocation cell structures and subgrain

Naoshi Yamaki, Aoyagi Yoshiteru, Kazuyuki Shizawa

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

A self-organization model for repartition of dislocation cell structures and transition of subgrains on a three-stage hardening of single crystal are developed. Stress-effect coefficients models are proposed in order to introduce stress information into the reaction-diffusion equations. A FD simulation for dislocation patterning and a FE one for crystal deformation are simultaneously carried out for an FCC single crystal. It is numerically predicted that a cell structures are repartitioned and the generated dislocation pattern in stage III can be regarded as a subgrain.

Original languageEnglish
Title of host publicationNanomaterials by Severe Plastic Deformation, NanoSPD3 - Proceedings of the 3rd International Conference on Nanomaterials by Severe Plastics Deformation
PublisherTrans Tech Publications Ltd
Pages989-994
Number of pages6
ISBN (Print)0878499857, 9780878499854
DOIs
Publication statusPublished - 2006
Event3rd International Conference on Nanomaterials by Severe Plastics Deformation, NanoSPD3 - Fukuoka, Japan
Duration: 2005 Sept 222005 Sept 26

Publication series

NameMaterials Science Forum
Volume503-504
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference3rd International Conference on Nanomaterials by Severe Plastics Deformation, NanoSPD3
Country/TerritoryJapan
CityFukuoka
Period05/9/2205/9/26

Keywords

  • Cell structure
  • Crystal plasticity
  • Dislocation
  • Multiscale modeling
  • Self-organization
  • Subgrain

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