한국재료학회지 (Korean Journal of Materials Research)

  • 제13권9호
  • /
  • Pages.619-624
  • /
  • 2003
  • /
  • 1225-0562(pISSN)
  • /
  • 2287-7258(eISSN)
한국재료학회 (Materials Research Society of Korea)
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AZ91 합금 용탕내 Mn과 Fe의 상호용해도 측정 및 AZ91D 재생지금의 성분조정에의 활용

Mutual Solubility of Mn and Fe in AZ91 Alloy Melts and Its Application to Composition Control of AZ91D Recycled Ingots

  • 권순일 (한양대학교 신소재공학부 재료공학과) ;
  • 변지영 (한국과학기술연구원 재료연구부) ;
  • 김선진 (한양대학교 신소재공학부 재료공학과) ;
  • 심재동 (한국과학기술연구원 재료연구부)
  • Kwon, Soon-Il (Department of Materials Science and Engineering, Hanyang University) ;
  • Byun, Ji-Young (Division of Materials, Korea Institute of Science and Technology) ;
  • Kim, Seon-Jin (Department of Materials Science and Engineering, Hanyang University) ;
  • Shim, Jae-Dong (Division of Materials, Korea Institute of Science and Technology)
  • 발행 : 2003.09.01
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초록

This paper describes a method to control Mn and Fe contents in recycled AZ91D ingots, based on the mutual solubility of Mn and Fe in AZ91 alloy melts. For this purpose, Fe solubility with the change of Mn content and temperature was investigated in the homogenized and re-precipitated liquid AZ91 alloy. The increase of the amount of Mn added to the melt resulted in the decrease of Fe content. The data obtained in this study was adopted to the pilot plant for recycling of the scrap. As a result, Mn and Fe contents measured in the recycled ingot were in good agreement with ASTM B93 standard.

키워드

참고문헌

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