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从Ｆｉｃｋ第二定律出发，建立了适用于双层辉光离子渗Ｗ，Ｍｏ的数学模型，并通过２０＃钢渗Ｗ，Ｍｏ实验进行验证。结果表明该数学模型与实验结果拟合性好，能用来描述离子渗Ｗ，Ｍｏ的过程。
Based on the second law of Fick, a mathematic model suitable for W and Mo of double glow-Ions was established and verified by 20 W and W tests. The results show that the mathematical model and the experimental results fit good, can be used to describe the process of ion infiltration W, Mo.