Mg50Ni50-xTix合金的吸放氢性能

被引:4
作者
孙俊才
季世军
厉志红
机构
[1] 大连海事大学材料工艺研究所!大连
关键词
镁镍基非晶合金; 贮氢合金; 吸放氢特性;
D O I
10.19476/j.ysxb.1004.0609.2000.s1.046
中图分类号
TG13 [合金学与各种性质合金];
学科分类号
摘要
研究了Mg50 Ni50 -xTix 合金的非晶形成能力与非晶合金电极的吸放氢性能。结果表明 :在Mg50 Ni50 -xTix合金中 ,当Ti替代Ni元素的量低于 1 5% (摩尔分数 )时 ,机械合金化能够得到几乎单一的非晶态合金 ;用Ti替代Ni形成的三元非晶合金能降低镁镍合金的平衡氢压 ;少量的Ti替代能改善合金的电化学吸放氢容量 ,使合金电极的吸放氢循环稳定性得到提高。这被认为是在三元合金中钛元素减缓了合金中镁元素的氧化腐蚀进程所致。
引用
收藏
页码:205 / 208
页数:4
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