95%(gravity cast Mg-23.5Ni)--5%Nb<SUB>2</SUB>O<SUB>5</SUB> alloy was prepared by horizontal ball milling in n-hexane of gravity cast Mg-23.5wt%Ni with Spex milled Nb<SUB>2</SUB>O<SUB>5</SUB>. Melt spun M...
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https://www.riss.kr/link?id=A107602592
2009
-
SCI,SCIE,SCOPUS
학술저널
1944-1950(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
95%(gravity cast Mg-23.5Ni)--5%Nb<SUB>2</SUB>O<SUB>5</SUB> alloy was prepared by horizontal ball milling in n-hexane of gravity cast Mg-23.5wt%Ni with Spex milled Nb<SUB>2</SUB>O<SUB>5</SUB>. Melt spun M...
95%(gravity cast Mg-23.5Ni)--5%Nb<SUB>2</SUB>O<SUB>5</SUB> alloy was prepared by horizontal ball milling in n-hexane of gravity cast Mg-23.5wt%Ni with Spex milled Nb<SUB>2</SUB>O<SUB>5</SUB>. Melt spun Mg-23.5wt%Ni after heat treatment at 523K for 1h was also ground by planetary ball milling with finer Nb<SUB>2</SUB>O<SUB>5</SUB> prepared by milling with NaCl. The activated 90%(melt spun Mg-23.5Ni)-10%Nb<SUB>2</SUB>O<SUB>5</SUB> alloy shows higher hydriding and dehydriding rates than the activated 95%(gravity cast Mg-23.5Ni)-5%Nb<SUB>2</SUB>O<SUB>5</SUB> alloy, thanks to the homogeneous distribution of fine Mg<SUB>2</SUB>Ni phase in melt spun Mg-23.5Ni and the finer Nb<SUB>2</SUB>O<SUB>5</SUB> addition to melt spun Mg-23.5Ni, which leads to the effective diminution of the Mg particle size. The activated 90%(ms Mg-23.5Ni)-10%Nb<SUB>2</SUB>O<SUB>5</SUB> alloy absorbs 4.70wt%H at 573K under 12bar H<SUB>2</SUB> for 10min, and desorbs 4.75wt%H at 573K under 1.0bar H<SUB>2</SUB> for 25min.
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