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

  • 제26권9호
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  • Pages.1831-1841
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  • 2002
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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고무 몰드를 이용한 금속 분말의 온간 등가압 성형

Warm Isostatic Pressing of Metal Powder by a Rubber Mould

  • Yang, Hun-Cheol (Dept. of Mechanical Engineering, Graduate School of Pohang University of Science and Technology) ;
  • Lee, Ji-Wan (Dept. of Mechanical Engineering, Graduate School of Pohang University of Science and Technology) ;
  • Kim, Gi-Tae
  • 발행 : 2002.09.01
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초록

The effect of a rubber mould on densification and deformation of aluminum alloy powder was investigated during warm isostatic pressing. The hyperelastic constitutive equations based on various strain energy potentials were employed to analyze deformation of rubber. The parameters in the strain energy potentials were obtained from experimental data for uniaxial and volumetric compression of Viton rubber at two warm temperatures. For elastoplastic response, the yield function of Shima and Oyane was implemented into a finite element program (ABAQUS) to predict compaction responses of metal powder during warm isostatic pressing. Finite element results were compared with experimental data for densification and deformation of aluminum alloy powder with/without a rubber mould under warm die pressing.

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참고문헌

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