한국분말야금학회:학술대회논문집 (Proceedings of the Korean Powder Metallurgy Institute Conference)

한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
권호 표지

Expansion Behavior of Iron-copper Compact Made from (Fe-Cu) Prealloyed Powder

  • Kim, Youn-Che (Department of Materials and Metallurgical Engineering, Kangwon National University) ;
  • Suk, Myung-Jin (Department of Materials and Metallurgical Engineering, Kangwon National University)
  • 발행 : 2006.09.24
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초록

Dimensional change of compact made from (Fe-Cu) prealloyed powder and copper powder compared to that of compact made from iron-copper elemental powder. The compact made from the prealloyed powder with a copper content of 7.18mass% which is nearly equal to its solution limit and copper powder showed only the large contraction in spite of penetration of liquid copper into grain boundary of the prealloyed powder. But the compact made from iron-copper elemental powder showed the large expansion in spite of same chemical composition with former case.

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