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用功函数和俄歇能谱方法研究了３１６不锈钢的不同表面状态对氢同位素透过行为的阻碍作用．俄歇能谱分析表明，在真空环境中（１０－４Ｐａ）于１２７３Ｋ加热１小时后不锈钢表面未发现有氧的存在，但有大量的硫偏聚，它对氢同位素的透过没有阻碍作用；对于真空退火后又在室温下暴露于空气中２４小时的不锈钢表面则形成了双氧化层结构——外层为铁的氧化物而内层由铁、铬和镍的氧化物组成，该氧化层对氢同位素的透过有明显的阻碍作用，其实质是该氧化层所发生的还原反应，其中外层的氧化铁在高温下容易被氢气体还原，而内氧化层在本研究条件下只能够产生部分还原，其还原的程度可由功函数的测定结果明显地反映出来．结合气体氚扩散速度的实验结果，对其作用机理作了进一步的探讨．
The work function and Auger spectroscopy method were used to study the hindering effect of different surface states of 316 stainless steel on hydrogen isotope transmission. Auger spectroscopy analysis showed that no oxygen was found on the surface of stainless steel after being heated at 1273K for 1 hour in a vacuum environment (10-4 Pa), but there was a large amount of sulfur segregation which did not hinder the hydrogen isotope transmission. For a stainless steel surface that was vacuum annealed and then exposed to air at room temperature for 24 hours, a double oxide structure was formed - the outer layer was an oxide of iron and the inner layer was composed of an oxide of iron, chromium and nickel. The oxide layer The hydrogen isotopes through the obvious impediment, in essence, is the reduction reaction occurred in the oxide layer, wherein the outer layer of iron oxide is easily reduced by hydrogen gas at high temperature, while the inner oxide layer in the study conditions only A partial reduction occurs, the degree of reduction of which can be clearly reflected by the determination of the work function. Combining the experimental results of gas tritium diffusion speed, the mechanism of action was further discussed.