한국분말재료학회지 (Journal of Powder Materials)

  • 제12권6호
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  • Pages.433-440
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  • 2005
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  • 2799-8525(pISSN)
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  • 2799-8681(eISSN)
한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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나노결정형 Zr57V36Fe7 게터합금의 수소흡수특성

Hydrogen Absorption Properties of Nanocrystalline Zr57V36Fe7 Getter alloy

  • 박제신 (한국지질자원연구원 자원활용소재연구부 소재개발연구실) ;
  • 서창열 (한국지질자원연구원 자원활용소재연구부 소재개발연구실) ;
  • 김원백 (한국지질자원연구원 자원활용소재연구부 소재개발연구실)
  • Park Je-Shin (Minerals and materials processing Division, Materials Development Group Korea Institute of Geoscience, Mining and Materials) ;
  • Suh Chang-Youl (Minerals and materials processing Division, Materials Development Group Korea Institute of Geoscience, Mining and Materials) ;
  • Kim Won-Baek (Minerals and materials processing Division, Materials Development Group Korea Institute of Geoscience, Mining and Materials)
  • 발행 : 2005.12.01
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초록

The hydrogen sorption speed of $Zr_{57}V_{36}Fe_7$ nanocrystalline and amorphous alloys was evaluated at room temperature. Nanocrystalline alloys of $Zr_{57}V_{36}Fe_7$ were prepared by planetary ball milling. The hydrogen sorption speed of nanocrystalline alloys was higher than that of the amorphous alloy. The enhanced sorption speed of nanocrystalline alloys was explained in terms of surface oxygen stability which has been known to retard the activation of amorphous alloys. The retardation can be reduced by formation of nanocrystals, which results in the observed increase in sorption properties.

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