研究了厚度40 μm的Pd8.5Y0.19Ru(原子分数)合金膜的氢渗透性能.结果表明,在573~723 K温度范围内,氢在膜中的渗透符合Fick第一定律,氕、氘的渗透率表达式分别为φH=2.566×10-6exp(-3542.45/T) mol/m·s·Pa05和φD=1.398× 10-6exp(-3443.72/T) mol/m·s·Pa0.5,与钯钇合金相比,合金元素钌的加入降低了氕氘的渗透率和渗透分离系数.另外,CH4对膜还具有较强的毒化作用.
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