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Preparation and Characterization of Hydrogen Permeable Nb-Based Alloys
Luo Weimin1; Yan Changfeng1; Ishikawa, Kazuhiro2; Aoki, Kiyoshi2
2010-06-01
发表期刊RARE METAL MATERIALS AND ENGINEERING
卷号39期号:6页码:1045-1049
摘要Pd-Ag alloy shows high hydrogen permeability and excellent resistance to hydrogen embrittlement, so it is used to separate the products of methane steam reforming to achieve high purity hydrogen. However, Pd is very expensive; therefore it is eagerly desired to develop no-Pd based alloys with low cost and high hydrogen permeation performance. In order to find out Nb-Ti-Ni alloy with higher hydrogen permeability, the Nb-Ti-Ni alloys located at the straight line connecting the primary (Nb, Ti) of Nb40Ti30Ni30 and the eutectic {(Nb,Ti)+TiNi} phases in the Nb-Ti-Ni trinary diagram were prepared. Results show that the alloys located at the straight line consists of the primary (Nb, Ti) and the eutectic {(Nb,Ti)+TiNi} phases, and their hydrogen permeability increase with increasing of Nb content or volume fraction of the primary (Nb,Ti). Moreover, the Nb content increases to 68 mol%. The Nb68Ti17Ni15 alloy, consisting of 74 vol% primary (Nb, Ti) phase and 26 vol% eutectic {(Nb,Ti)+TiNi} phase, show the highest Phi(673K) of 4.91 x 10(-8) mol H(2)m(-1)s(-1)Pa(-0.5), which is 2.5 times as high as that of the Nb40Ti30Ni30, and 3.5 times as high as that of the pure Pd.
文章类型Article
关键词Hydrogen Permeable Alloy Nb-based Alloy Hydrogen Permeability Microstructure
WOS标题词Science & Technology ; Technology
研究领域[WOS]Materials Science ; Metallurgy & Metallurgical Engineering
关键词[WOS]PERMEATION CHARACTERISTICS ; MEMBRANES ; SEPARATION
收录类别SCI
语种英语
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000281248300024
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10332
专题中国科学院广州能源研究所
作者单位1.China Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Kitami Inst Technol, Kitami, Hokkaido 0908507, Japan
推荐引用方式
GB/T 7714
Luo Weimin,Yan Changfeng,Ishikawa, Kazuhiro,et al. Preparation and Characterization of Hydrogen Permeable Nb-Based Alloys[J]. RARE METAL MATERIALS AND ENGINEERING,2010,39(6):1045-1049.
APA Luo Weimin,Yan Changfeng,Ishikawa, Kazuhiro,&Aoki, Kiyoshi.(2010).Preparation and Characterization of Hydrogen Permeable Nb-Based Alloys.RARE METAL MATERIALS AND ENGINEERING,39(6),1045-1049.
MLA Luo Weimin,et al."Preparation and Characterization of Hydrogen Permeable Nb-Based Alloys".RARE METAL MATERIALS AND ENGINEERING 39.6(2010):1045-1049.
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