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Corrosion Resistance of TiN and(Ti,Cr)N Composite Films Grown by Arc Ion Plating
Pages: 330-334
Year: Issue:  4
Journal: Vacuum Science and Technology

Keyword:  电弧离子镀 TiN 复合薄膜 腐蚀机理;
Abstract: 利用电弧离子镀在高速钢基体上制备了TiN及其复合膜(Ti,Cr)N,通过盐水全浸泡试验测量了薄膜的腐蚀速率,利用SEM观察了薄膜腐蚀后的表面形貌及断口形貌,并用其自带的能谱分析仪测量复合膜中Cr的含量,讨论了带有宏观熔滴颗粒的TiN及其复合膜(Ti,Cr)N的腐蚀机理。结果表明:高速钢表面电弧离子镀TiN和(Ti,Cr)N复合膜均可提高其耐腐蚀性能,薄膜的腐蚀主要有小孔腐蚀、缝隙腐蚀及电偶腐蚀。
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