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

  • 제21권1호
  • /
  • Pages.73-82
  • /
  • 1997
  • /
  • 1226-4873(pISSN)
  • /
  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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가압소결과 열간 등가압소결에 의한 세라믹 분말의 정형 성형

Near-net-shape forming of ceramic powder under hot pressing and hot isostatic pressing

  • 권영삼 (포항공과대학교 기계공학과) ;
  • 김기태 (포항공과대학교 기계공학과)
  • Kwon, Yeong-Sam (Dept. of Mechanical Engineering, Pohang University of Science and Technology) ;
  • Kim, Ki-Tae (Dept. of Mechanical Engineering, Pohang University of Science and Technology)
  • 발행 : 1997.01.01
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초록

High temperature densification behaviors of alumina powder compacts were investigated under hot pressing and hot isostatic pressing. An alumina part of valve-head shape was fabricated under hot pressing and its forming process was simulated by finite element calculation. an alumina powder compact encapsulated by a stainless steel container was also densified under hot isostatic pressing. Inhomogeneous deformations during hot isostatic pressing due to the canning effect were observed experimentally and predicted by finite element analysis.

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