镀锌层钼酸盐转化膜在NaCl溶液中的腐蚀行为

电镀与精饰 , 2010, 32(12): 10-13. doi: 10.3969/j.issn.1001-3849.2010.12.003

镀锌层钼酸盐转化膜在NaCl溶液中的腐蚀行为

刘艳荣 ^1, , 周婉秋 ^2, , 武士威 ^3, , 施耀萍 ^4,

1.沈阳师范大学,化学与生命科学学院,辽宁,沈阳,110034

2.沈阳师范大学,化学与生命科学学院,辽宁,沈阳,110034

3.沈阳师范大学,化学与生命科学学院,辽宁,沈阳,110034

4.天津市轻工装备研究所,天津,300193

基金项目: 实验室主任基金资助项目(SY200706) 沈阳师范大学博士启动基金项目(BS200816)

关键词：电镀锌钢板 , 钼酸盐转化膜 , 极化曲线 , 电化学阻抗谱 , 盐雾试验

Corrosion Behavior of Molybdate Conversion Film on Zinc Coating in NaCl Solution

对电镀锌钢板进行钼酸盐钝化处理.研究了该钝化膜在3.5%NaCl溶液中的腐蚀行为.极化曲线测试结果显示:转化膜的腐蚀电位正移,腐蚀电流密度减小.转化膜的阻抗弧曲率半径明显增大.膜层较为均匀,表面无明显孔洞.盐雾试验结果表明:钼酸盐转化膜的耐腐蚀性能不如铬酸盐转化膜.

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材料期刊网

镀锌层钼酸盐转化膜在NaCl溶液中的腐蚀行为

Corrosion Behavior of Molybdate Conversion Film on Zinc Coating in NaCl Solution

参考文献