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

The Korean Society of Mechanical Engineers (대한기계학회)
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Warm Isostatic Pressing of Metal Powder by a Rubber Mould

고무 몰드를 이용한 금속 분말의 온간 등가압 성형

  • 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
  • Published : 2002.09.01
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Abstract

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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References

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