Journal of Korea Foundry Society (한국주조공학회지)

Korea Foundry Society (한국주조공학회)
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Effects of Minor Alloying Elements on the Microstructure and Mechanical Properties of High Conductivity Cu-Mg-P Base Alloys

Cu-Mg-P계 고전도성 합금의 미세조직 및 기계적 성질에 미치는 미량합금원소의 영향

  • Kim, Jeong-Min (Division of Advanced Materials Engineering, Hanbat National University) ;
  • Park, Joon-Sik (Division of Advanced Materials Engineering, Hanbat National University) ;
  • Kim, Ki-Tae (Advanced Materials Development Center, Korea Institute of Industrial Technology) ;
  • Kim, Hyun-Gil (Division of Fusion Technology Development, Korea Atomic Energy Research Institute)
  • 김정민 (한밭대학교 신소재공학부) ;
  • 박준식 (한밭대학교 신소재공학부) ;
  • 김기태 (한국생산기술연구원 신소재본부) ;
  • 김현길 (한국원자력연구원 원자력융합기술개발부)
  • Published : 2008.03.20
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Abstract

The microstructure of Cu-Mg-P base alloys were significantly affected by small amounts of Fe and Co additions, however the tensile properties and electrical conductivity of the Cu alloys were mainly determined by the fabrication process. Relatively high electrical conductivity (> 80% IACS) was obtained in the all Cu-Mg-P based alloys when they were finally aged at $480^{\circ}C$. Tensile properties could be significantly enhanced by final cold rolling, especially at extremely low temperatures. Softening of cold-rolled alloys took place at about $450^{\circ}C$ owing to recovery and recrystallization, but it was delayed up to $500^{\circ}C$ in the Fe-added alloy.

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References

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