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1Cr18Ni9Ti钢试样经在硝酸溶液中化学钝化处理后,用AES和XPS方法对钝化膜不同深度的元素成分和化学价态进行了分析,并讨论了这类化学钝化膜耐蚀的原因。
After the chemical passivation of 1Cr18Ni9Ti steel in nitric acid solution, the elemental composition and chemical valence of passivation film were analyzed by AES and XPS methods, and the reasons for the corrosion resistance of such passivation film were discussed .