添加剂对镀锌层三价铬钝化膜耐蚀性能的影响
Effect of Additives on Anticorrosion Ability of Cr3+ Passivated Film of Zinc-plated Layer
摘 要
用电化学方法、Pb(AC)2和CuSO4快速测定法、5%NaCl浸泡实验和测形貌等方法,研究了添加剂草酸、单硬脂酸甘油酯、十二烷基苯磺酸钠和十二烷基磺酸钠对镀锌层三价铬钝化膜的耐腐蚀性能的影响,结果表明:提高镀锌层三价铬钝化膜耐腐蚀性能的最佳添加剂是十二烷基磺酸钠(0.6 g/L),其次是草酸(1.0 g/L),最差的是单硬脂酸甘油酯(1.0 g/L),而十二烷基磺酸钠(0.6 g/L)与草酸(1.0 g/L)的复合添加剂,使钝化膜的耐腐蚀性能接近六价铬的钝化效果.
添加剂
耐腐蚀性能
Cr3+ passivation
additives
anti-corrosion property
Abstract
To improve anti-corrosion properties of Cr3+ passivated film of Zinc-plated layer,effects of additives such as oxalic acid,glycerolmon ostearate,sodium dodecyl benzene sulfonate(SDBS) and sodium dodecyl sulfonate(SDS) on anti-corrosion properties of Cr3+ passivating film had been studied by using electrochemical methods,5%NaCl immersion tests etc.The anti-corrosion properties of Cr3+ passivated film were approximate to those of Cr6+ passivated film when composite additive of SDS (0.6g/L) and oxalic acid (1.0g/L) were added into Cr3+ passivation solution.
中图分类号 TQ153.1
所属栏目 试验研究
基金项目
收稿日期 2007/5/25
修改稿日期 2007/6/15
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引用该论文: YU Zu-xiao,LIANG Peng-fei,SUN Xian,ZHOU Xin,FENG Jun-yan. Effect of Additives on Anticorrosion Ability of Cr3+ Passivated Film of Zinc-plated Layer[J]. Corrosion & Protection, 2008, 29(6): 319～321
被引情况:
【1】柯昌美,周黎琴,汪振忠,张金龙,王茜,张利玉,陈红祥, "镀锌层三价铬黑色钝化膜的耐蚀性能",腐蚀与防护 33, 535-538(2012)
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参考文献
【1】蒲海丽,王建华,蒋雄.三价铬钝化的探讨[J].电镀与(a)20 h50×(b)40 h50×图3“十二烷基磺酸钠(0.6 g/L) +草酸(1.0 g /L)”复合添加剂获得钝化膜经浸泡后的表面形貌环保,2004(2):25-26.
【2】李鸿年主编.电镀工艺手册[M].上海:上海科学技术出版社,1989:38-45.
【3】CHEN Jian,YU Zuxiao,et al.Studies on chromium-free passivating and three-price chromium passivating technology of zinc-plated layer[C]//16th International Corrosion Congress,2005(P-18-A-30),Beijing.
【4】李鸿年,张绍恭,张炳乾,等.实用电镀工艺[M].北京:国防工业出版社,1990:110.
【2】李鸿年主编.电镀工艺手册[M].上海:上海科学技术出版社,1989:38-45.
【3】CHEN Jian,YU Zuxiao,et al.Studies on chromium-free passivating and three-price chromium passivating technology of zinc-plated layer[C]//16th International Corrosion Congress,2005(P-18-A-30),Beijing.
【4】李鸿年,张绍恭,张炳乾,等.实用电镀工艺[M].北京:国防工业出版社,1990:110.
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