热处理温度对Ni-W-P镀层耐蚀性能的影响
Influence of Heat Treatment Temperature on Corrosion Resistance of Ni-W-P Coating
摘 要
采用失重法及电化学方法对镀态和热处理后的Ni-W-P镀层在5%硫酸溶液中的耐蚀性能进行了研究。比较了不同温度热处理后Ni-P镀层和Ni-W-P镀层的耐蚀性能, 并结合X射线衍射(XRD)、扫描电镜(SEM)对镀层的耐蚀性机理进行了分析。结果表明, Ni-P镀层在400~700 ℃热处理后耐蚀性能下降, 而Ni-W-P镀层的耐蚀性能增加, 且随着热处理温度的上升而提高。
耐蚀性能
热处理
电化学
electroless plating Ni-W-P
corrosion resistance
heat-treatment
electrochemistry
Abstract
The anti-corrosion performance of as-plated and heat-treated Ni-W-P coatings was studied by immersion corrosion and electrochemical tests in 5% H2SO4 solution. The heat-treated Ni-W-P coatings had better corrosion resistance than the heat-treated Ni-P coatings. The treated Ni-P coatings had worse anticorrosion performance than the untreated coating, while the corrosion resistance of treated Ni-W-P coatings was better than the as-plated coating. And the corrosion resistance performance of Ni-W-P was greatly improved with the increase heat-treated temperature.
中图分类号 TG174.44 TQ153.2
所属栏目 试验研究
基金项目 上海市重点学科建设项目(B503)
收稿日期 2010/5/17
修改稿日期 2010/6/26
网络出版日期
作者单位点击查看
备注姚志燕, 硕士研究生,
引用该论文: YAO Zhi-yan,XU Hong,HOU Feng,YAN Cao. Influence of Heat Treatment Temperature on Corrosion Resistance of Ni-W-P Coating[J]. Corrosion & Protection, 2011, 32(3): 173
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