不锈钢上黑色钼盐转化膜的研究
, PP. 193-197
Keywords: 彩色膜,钼酸盐,不锈钢,电子能谱,循环伏安
Abstract:
用阴极电沉积法从钼酸盐和磷酸盐温和溶液中获得了黑色的不锈钢转化膜,该膜具有良好的热稳定性。电子能谱(XPS和AES)分析表明,膜厚约为820nm,膜的表面铝以Mo(Ⅵ)存在,而在膜内则以Mo(Ⅵ)与Mo(Ⅳ)共存。从AES深度剥蚀曲线的组成恒定区求得膜的组成为:O50.9%,Mo29.4%,P12.6%和Fe7.1%。循环伏安的氧化峰也证明膜内存在Mo(Ⅳ)。
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