한국소성가공학회:학술대회논문집 (Proceedings of the Korean Society for Technology of Plasticity Conference)

한국소성∙가공학회 (The Korean Society for Technology of Plasticity and materials processing)
권호 표지

Al 6061 합금의 고온 소성변형 조건에 관한 연구

High Temperature Plastic Deformation Condition of Al 6061 Alloy

  • 김성일 (인하대학교 공과대학 금속공학과) ;
  • 정태성 (인하대학교 공과대학 금속공학과) ;
  • 유연철 (인하대학교 공과대학 금속공학과) ;
  • 오수익 (서울대학교 기계설계학과)
  • 발행 : 1998.03.01
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초록

High temperature plastic deformation behavior of Al 6061 alloy was characterized by hot torsion test. The Al 6061 alloy deformed continuously in the temperature range of 400∼550$^{\circ}C$, and strain rate range of 0.05∼5/sec. The softening mechanism of Al 6061 alloy was dynamic recrystallization and identified by hyperbolic sine law and zener-Hollmon parameter. The evolution of grain size and deformation resistance were calculated by the relationships of deformation variables.

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