Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Effects of Ball Milling on the Hydrogen Sorption Properties of Zr57V36Fe7 Getter Alloy

Zr57V36Fe7게터합금의 수소흡수특성에 미치는 분쇄의 영향

  • 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) ;
  • Shim, Gun-Choo (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)
  • 박제신 (한국지질자원연구원 자원활용소재연구부 소재개발연구실) ;
  • 서창열 (한국지질자원연구원 자원활용소재연구부 소재개발연구실) ;
  • 심건주 (한국지질자원연구원 자원활용소재연구부 소재개발연구실) ;
  • 김원백 (한국지질자원연구원 자원활용소재연구부 소재개발연구실)
  • Published : 2006.02.27
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Abstract

The effects of milling time in argon and hydrogen atmospheres on the hydrogen sorption speed of a getter alloy, $Zr_{57}V_{36}Fe_{7}$, was studied. The hydrogen sorption speed of milled alloys was evaluated at room temperature. In argon, as the oxygen content increased with milling time, the hydrogen sorption speed decreased accordingly. In hydrogen, on the other hand, the oxygen content decreased at first with milling time but started increasing after 5 hrs of milling time. Similar to the case of argon, however, the hydrogen sorption speed changed exactly in the opposite direction with the oxygen content, exhibiting the maximum rate at 5 hrs. These results suggest that in both atmospheres the hydrogen sorption speeds are inversely related with the oxygen contents.

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References

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