Constitutive modeling of nanocrystalline materials with shear band

Jianqiu Zhou, Shu Zhang, Ying Wang

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

Abstract

In hardening stage, a model was used to study the plastic deformation behaviors of nanocrystalline materials. The material was considered as a composite of grain interior phase and grain boundary (GB) phase. The constitutive equations of the two phases were determined in term of their main deformation mechanisms. In softening stage, a shear band deformation mechanism and the corresponding constitutive relation were presented. Calculation results have shown that the predications fit well with experimental data. The investigation using the finite-element method (FEM) provided a direct insight into quantifying shear localization effect in nanocrystalline materials.

Original languageEnglish
Title of host publicationAdvanced Materials and Processes
Pages512-515
Number of pages4
DOIs
StatePublished - 2011
Event2011 International Conference on Advanced Design and Manufacturing Engineering, ADME 2011 - Guangzhou, China
Duration: 16 Sep 201118 Sep 2011

Publication series

NameAdvanced Materials Research
Volume311-313
ISSN (Print)1022-6680

Conference

Conference2011 International Conference on Advanced Design and Manufacturing Engineering, ADME 2011
Country/TerritoryChina
CityGuangzhou
Period16/09/1118/09/11

Keywords

  • Constitutive model
  • Deformation mechanism
  • Finite-element method
  • Nanocrystalline materials
  • Plastic deformation
  • Shear band

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