采用同电极体系,测量了电沉积镍、铜镀层以及铂片在HCl和NaCl溶液中的电化学噪声,研究发现:通过时域分析得到的噪声电阻是评价材料耐蚀性的重要指标,而点蚀指数反映了电极表面反应的均匀程度;通过频域分析可知,高频段斜率可以用于评价镀层发生腐蚀的类型,而白噪声水平可作为判断材料耐蚀性的指标之一.
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