Hydrogen Permeation Behavior in Fe3Al-Based Alloy

被引：1
|
作者：
TAN Xiao hua
机构：
来源：
Journal of Shanghai University | 2000年 / 03期
基金：
中国国家自然科学基金;
关键词：
Fe 3Al based alloy; hydrogen diffusivity; hydrogen permeability; activation energy;
D O I：
暂无
中图分类号：
TG13 [合金学与各种性质合金];
学科分类号：
080502 ;
摘要：
Ultra high vacuum gaseous hydrogen permeation experiments on Fe 3Al based alloy were performed in the temperature range of 330～450℃ with an upstream hydrogen pressure between 3.38×10 4 Pa and 7.28×10 4 Pa. The results show that the hydrogen diffusivity and permeability in Fe 3Al based alloy obey Arrhenius relationship in the experimental temperature range and the hydrogen permeation process is controlled by the lattice diffusion of hydrogen at relative high temperature. The activation energy of hydrogen diffusion in the Fe 3Al based alloy was found to be 75 kJ/mol.
引用
收藏
页码：250 / 253
页数：4
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