纯钛表面Mo-N共渗改性层在稀H2SO4溶液中的腐蚀行为
Corrosion Behavior of Plasma Mo-N Modifled Coating on Titanium in Dilute Sulphuric Acid Solution
摘 要
利用等离子技术在纯钛表面制备Mo-N改性层,对改性层组织进行观察,测试改性层的元素分布、XRD衍射谱,采用极化曲线法和失重法考核改性层在稀硫酸溶液中的腐蚀性能.结果表明,改性层由渗层和扩散层组成,改性层在稀硫酸中的耐蚀性得到改善.
表面改性
极化曲线
失重法
Ti
surface modification
polarization curue
weight loss test
Abstract
A Mo-N diffusion duplex layer was obtained on titanium substrate by plasma surface alloying technique.Electrochemical behavior,XRD element distribution and microstructure of the Mo-N modified coating in dilute sulphuric acid were studied.The Mo-N modified coating was composed of penetrating layer and diffusion layer and the corrosion resistance of Mo-N diffusion duplex layer was enhanced obviously in dilute sulphuric acid.
中图分类号 TG178
所属栏目 试验研究
基金项目
收稿日期 2007/9/24
修改稿日期 2008/5/7
网络出版日期
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引用该论文: Qin Yan-mei,Sun Bin-yu,Zhang Xiu-zhi,FAN Ai-lan,Tang Bin. Corrosion Behavior of Plasma Mo-N Modifled Coating on Titanium in Dilute Sulphuric Acid Solution[J]. Corrosion & Protection, 2008, 29(9): 514～516
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参考文献
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【2】Bin Tang,Peiqiang Wu,Xiuyan Li,et al.Tribological behavior of plasma Mo-N surface modified Ti6Al4V alloy[J].surface and coating Technology,2004(179):333-339.
【3】秦林,唐宾,范爱兰,等.钛合金Ti6Al4V表面渗Mo层的摩擦磨损性能[J].中国有色金属学报,2003,3(3):570-573.
【4】刘永辉.电化学测试技术[J].北京航空航天学院出版社,1986.
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