为进一步提高镍磷(Ni-P)化学镀层的沉积速度和镀层的耐蚀性能,将稀土氯化铈(CeCl<,3>)加入到镀液中.通过扫描电镜考察了CeCl<,3>对Ni-P合金层表面形貌和成分的影响,采用交流阻抗研究了CeCl<,3>对Ni-P镀层在3.5%NaCl溶液中耐蚀行为的影响.结果表明:镀液中加入适量的CeCl<,3>可提高Ni-P镀层的沉积速度,减少镀层表面缺陷数量,提高镀层的致密性,改善镀层的耐蚀性.
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