한국재료학회지 (Korean Journal of Materials Research)

  • 제12권12호
  • /
  • Pages.935-940
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  • 2002
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  • 1225-0562(pISSN)
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  • 2287-7258(eISSN)
한국재료학회 (Materials Research Society of Korea)
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이상점성 처리된 Mg-3, 6wt%Ni합긍의 수소화 특성평가

Evaluation of Hydrogenation Properties of Thixotropic Mg-3, 6wt%Ni Hydrogen Absorbing Alloys

  • 이성곤 (성균관대학교 대학원 신소재공학과) ;
  • 하원 (성균관대학교 대학원 신소재공학과) ;
  • 홍태환 (국립충주대학교) ;
  • 김영직 (성균관대학교 대학원 신소재공학과)
  • Lee, Sung-Gon (Dept. of Advanced Materials Engineering, Sungkyunkwan University) ;
  • Ha, Won (Dept. of Advanced Materials Engineering, Sungkyunkwan University) ;
  • Hong, Tae-Whan (Dept. of Mat. Sci & Eng./Nano Technology Lab. Chungju Nat'l Univ.) ;
  • Kim, Young-Jig (Dept. of Advanced Materials Engineering, Sungkyunkwan University)
  • 발행 : 2002.12.01
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초록

Magnesium-3, 6wt% Nickel alloys were fabricated by Rotation-Cylinder Method(RCM) in ambient atmosphere. The alloys were divided into two different heat-treating conditions, as-cast and thixotropic treated. Thixotropic heat treatment enhances the separation of primary hydride former of Mg and the catalytic phase of $Mg_2$Ni. Hydrogenation properties of the each alloy were evaluated and compared by PCI(Pressure-Composition Isotherm) measurement. The maximum hydrogen capacity and the reversible capacity of as -cast Mg-6wt% Ni alloy were 5.2wt% and 3.8wt% at 623k, respectively.

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