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题名: Composition design for Laves phase-related body-centered cubic-V solid solution alloys with large hydrogen storage capacities
作者: wang, H. B.1;  Wang, Q.1;  Dong, C.1;  Yuan, L.1;  Xu, F.2;  Sun, L. X.2
刊名: JOURNAL OF PHYSICS-CONDENSED MATTER
发表日期: 2008-03-19
DOI: 10.1088/0953-8984/20/11/114110
卷: 20, 期:11
收录类别: SCI ;  ISTP
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Condensed Matter
研究领域[WOS]: Physics
英文摘要: This paper analyzes the characteristics of alloy compositions with large hydrogen storage capacities in Laves phase-related body-centered cubic (bcc) solid solution alloy systems using the cluster line approach. Since a dense-packed icosahedral cluster A(6)B(7) characterizes the local structure of AB(2) Laves phases, in an A-B-C ternary system, such as Ti-Cr (Mn, Fe)-V, where A-B forms AB(2) Laves phases while A-C and B-C tend to form solid solutions, a cluster line A(6)B(7)-C is constructed by linking A(6)B(7) to C. The alloy compositions with large hydrogen storage capacities are generally located near this line and are approximately expressed with the cluster-plus-glue-atom model. The cluster line alloys (Ti(6)Cr(7))(100-x)V(x) (x = 2.5-70 at.%) exhibit different structures and hence different hydrogen storage capacities with increasing V content. The alloys (Ti(6)Cr(7)) and Ti(30)Cr(40)V(30) with bcc solid solution structure satisfy the cluster-plus-glue-atom model.
关键词[WOS]: PROTIUM ABSORPTION PROPERTIES ;  HYDRIDE FORMATION RATES ;  METALLIC GLASSES ;  MN ALLOYS ;  SYSTEM
语种: 英语
WOS记录号: WOS:000254101200012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140993
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, State Key Lab Mat Modificat, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116024, Peoples R China

Recommended Citation:
wang, H. B.,Wang, Q.,Dong, C.,et al. Composition design for Laves phase-related body-centered cubic-V solid solution alloys with large hydrogen storage capacities[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2008,20(11).
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