Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Densification Analysis for SiC Powder under Cold Compaction

냉간압축 하에서 실리콘 카바이드 분말의 치밀화해석

  • Park, Hwan (Department of Mechanical Engineering, Pohang University of Science and Technology) ;
  • Kim, Ki-Tae (Department of Mechanical Engineering, Pohang University of Science and Technology)
  • 박환 (포항공과대학교 기계공학과 대학원) ;
  • 김기태 (포항공과대학교 기계공학과)
  • Published : 2000.06.01
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Abstract

Densification behavior of SiC powder was investigated under cold compaction. A special form of the Cap model was proposed from experimental data of SiC powder under triaxial compression. To compare with experimental data of SiC powder under cold compaction, the proposed constitutive model was implemented into a finite element program (ABAQUS). Finite element calculations from the Cam-Clay model and the modified Drucker-Prager model were also compared with experimental data of SiC powder. The agreements between experimental data and finite element results obtained from the proposed constitutive model are reasonably good. In die pressing, finite element results obtained from the Cam-Clay model and the modified Drucker-Prager model, however, show lower average density of SiC powder compacts compared to experimental data.

Keywords

References

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