Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Creep Densification of Metal Powder Compacts

금속분말 성형체의 크리프 치밀화 거동

  • Song, Min-Cheol (Dept. of Mechanical Engineering, Pohang University of Science and Technology) ;
  • Kim, Hong-Gi (Dept. of Mechanical Engineering, Pohang University of Science and Technology) ;
  • Kim, Gi-Tae (Dept. of Mechanical Engineering, Pohang University of Science and Technology)
  • 송민철 (포항공과대학교 기계공학과) ;
  • 김홍기 (포항공과대학교 기계공학과) ;
  • 김기태 (포항공과대학교 기계공학과)
  • Published : 1996.03.01
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Abstract

The densification behaviors of copper powder under high temperature processing were investigated. Experimental data were obtained for copper powder under hot isostatic pressing, hot pressing and uniaxial compression. Finite element calculations from the constitutive models by McMeeking and co-workers were compared with the experimental data, The agreements between experimental data and theoretical calculations are reasonably good when hydrostatic stress is dominant, but not as good then deviatoric stress increases.

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