Transactions of Materials Processing (소성∙가공)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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The prediction of grain size of Al-5wt%Mg alloy by FEM

유한요소법을 이용한 Al-5wt%Mg합금의 미세조직 크기 예측

  • 황원주 (부산대학교 대학원 정밀기계공학과) ;
  • 조종래 (해양대학교 공과대학 기계시스템공학부) ;
  • 배원병 (부산대학교 공과대학 기계공학부)
  • Published : 1999.12.01
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Abstract

A finite element analysis is performed to predict the recrystallized volume fraction and the mean grain size in hot compression of Al-5wt%Mg alloy. In the analysis, a modeling equation of flow stress is assumed as a function of strain, strain rate, and temperature. And the influence of above varibles on flow stress is quantified by using Zener-Hollomon Parameter. In the modeling equation, effects of strain hardening and dynamic recrystallization on microstructure of Al-5wt%Mg alloy are investigated. The predicted results of recrystallized volume fraction and mean grain size are in good agreement with those of microstructures obtained from hot compression tests.

Keywords

References

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