摘要
通过均匀设计法对Ti/(Cr +Fe)比的优化控制以及对Cr/Fe比的调整,研究了V Ti Cr Fe系四元贮氢合金。结果表明:Ti/(Cr+Fe)比对合金的吸放氢性能产生重要影响。Ti/(Cr+Fe)比为1时,Cr/Fe比越偏离2 .5 ,合金有效吸氢量越小,放氢平台压随Fe含量增多而升高。Ti/(Cr +Fe)比为1,Cr/Fe比为2 .5的V30 Ti35Cr2 5Fe1 0 合金拥有最理想的吸放氢性能。
V-Ti-Cr-Fe alloys were investigated through controlling Ti/(Cr+Fe) by method of uniformity design and adjusting Cr/Fe. The hydrogen absorption and desorption properties of the alloys were heavily influenced by Ti/(Cr+Fe). The farther the Cr/Fe deviates from 2.5 the smaller the alloy′s effective hydrogen capacity becomes when Ti/(Cr+Fe) is fixed at 1. The desorption pressure rises with increase of the content of Fe. V_ 30 Ti_ 35 Cr_ 25 Fe_ 10 with Ti/(Cr+Fe)=1 and Cr/Fe=2.5 has the best hydrogen absorption and desorption property.
出处
《稀有金属》
EI
CAS
CSCD
北大核心
2005年第2期138-142,共5页
Chinese Journal of Rare Metals
基金
攀枝花市科技局重点科技攻关项目
关键词
V-Ti-Cr-Fe
贮氢合金
有效吸氢量
均匀设计
V-Ti-Cr-Fe
hydrogen storage alloy
effective hydrogen capacity
method of uniformity design
