电沉积Ni-P合金镀层在酸性介质中耐蚀性能的研究

1.燕山大学材料化工学院,河北,秦皇岛,066004

2.燕山大学材料化工学院,河北,秦皇岛,066004

3.燕山大学材料化工学院,河北,秦皇岛,066004

4.燕山大学材料化工学院,河北,秦皇岛,066004

5.燕山大学材料化工学院,河北,秦皇岛,066004

Study on Corrosion Resistance of Ni-P Alloy Plating by Electrodepo-sition in Sour Medium

研究了Ni-P合金镀层在盐酸、硫酸、硝酸三种介质中的耐蚀性能.通过浸泡实验,得出不同磷含量饺层的腐蚀数据,同时还与纯镍镀层、1Cr-18Ni9Ti不锈钢进行了比较.对腐蚀后镀层表面钝化膜成分的AES分析表明,Ni-P合金镀层的耐蚀机理与表面磷化钝化膜的生成及溶解有关.

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