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题名:
Effect of Preparation Technique on Microstructure and Hydrogen Storage Properties of LaNi3.8Al1.0Mn0.2 Alloys
作者: Han, XB; Qian, Y; Liu, W; Chen, DM; Yang, K
刊名: JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
出版日期: 2016
卷号: 32, 期号:12, 页码:1332-1338
关键词: Annealing ; Melt-spinning ; Metal hydride ; Hydrogen absorption
DOI: 10.1016/j.jmst.2016.11.005
通讯作者: Qian, Y (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
文章类型: 期刊论文
英文摘要: LaNi38Al10Mn0.2 alloy was prepared by vacuum induction melting and melt-spinning. The effects of different preparation techniques of the as-cast, cast then annealed, as-spun and spun then annealed alloys on the microstructure and hydrogen storage properties were investigated. The results indicated that the non-CaCus phases in the alloy became tinier and more dispersive after annealing or melt-spinning compared to those of the as-cast one. But in the spun then annealed alloy, the non-CaCus phases disappeared and only a single-phase with CaCus type structure was found. For all the alloys, the cell volume was in. creased in an order of as-cast < spun then annealed < cast then annealed < as-spun, and the change of plateau pressure showed the opposite trend with that of the cell volume. The plateau could be flattened after melt-spinning or annealing, and the spun then annealed alloy showed the minimum plateau slope. The absorption kinetics of the alloy was promoted after melt-spinning or annealing. It is suggested that the change in cell volume and compositional homogeneity resulting from different preparation techniques contribute to the difference of the hydrogen storage properties of the investigated alloys. Copyright (C) 2016, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000392557600017
ISSN号: 1005-0302
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26487
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Han, XB,Qian, Y,Liu, W,et al. Effect of Preparation Technique on Microstructure and Hydrogen Storage Properties of LaNi3.8Al1.0Mn0.2 Alloys[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2016-01-01,32(12):1332-1338.
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