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Microstructure and storage properties of low V-containing Ti–Cr–V hydrogen storage alloys prepared by arc melting and suction casting
Wang Haibin1; Wang Qing1; Dong Chuang1; Xu Fen2; Sun Lixian2; Chen Chonglin3
Source PublicationRare Metals
2013-01-01
ISSN1001-0521
Volume32Issue:4Pages:354
AbstractThe microstructure and hydrogen storage properties of low V content (Ti_(0.46)Cr_(0.54))_(100?x) V_x (x = 2.5–7.1, at%) and (Ti_y Cr_(1?y))_(95)V_5 (y = 0.38–0.54) alloys were investigated. These alloys were prepared by arc melting and copper mould suction casting. The structures of as-cast (Ti_(0.46)Cr_(0.54))_(100?x) V_x (x = 2.5, 5.0, and 7.1) alloy ingots evolve with V contents from pure Laves- (x = 2.5) to dual-phase TiCr2-BCC structures (5.0 and 7.1), whereas the suction-cast (Ti_(0.46)Cr_(0.54))_(100?x) V_x (x = 2.5, 5.0, and 7.1) alloys only contain single BCC phase. The suction-cast alloy rod (Ti_(0.46)Cr_(0.54))_(95)V_5, containing only 5.0 at% V is shown to possess the optimum hydrogen absorption capacity, with the maximum hydrogen content of 3.14 wt%. Furthermore, the hydrogen storage properties of the suction-cast low V alloys (Ti_y Cr_(1?y))_(95)V)5 (y = 0.38–0.54) are sensitive to Ti/Cr ratios and only those alloys with Ti/Cr ratios close to the CN14 cluster Ti_7Cr_8 have good hydrogen storage properties.
Language英语
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/177370
Collection中国科学院大连化学物理研究所
Affiliation1.大连理工大学
2.中国科学院大连化学物理研究所
3.Department of Physics and Astronomy, University of Texas at San Antonio
Recommended Citation
GB/T 7714
Wang Haibin,Wang Qing,Dong Chuang,等. Microstructure and storage properties of low V-containing Ti–Cr–V hydrogen storage alloys prepared by arc melting and suction casting[J]. Rare Metals,2013,32(4):354.
APA Wang Haibin,Wang Qing,Dong Chuang,Xu Fen,Sun Lixian,&Chen Chonglin.(2013).Microstructure and storage properties of low V-containing Ti–Cr–V hydrogen storage alloys prepared by arc melting and suction casting.Rare Metals,32(4),354.
MLA Wang Haibin,et al."Microstructure and storage properties of low V-containing Ti–Cr–V hydrogen storage alloys prepared by arc melting and suction casting".Rare Metals 32.4(2013):354.
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