赵建国,李建昌,刘扬,郝建军,孙维连,马跃进

• 1:河北农业大学机电工程学院

摘要(Abstract)：

采用反应氮弧熔覆技术在Q235A钢试件表面原位合成了Ti(CN)/Fe金属陶瓷复合涂层。利用扫描电镜、XRD射线衍射仪、显微硬度计、摩擦磨损试验机、电化学工作站分析了涂层形貌、涂层物相、涂层显微硬度及其耐磨耐蚀性能,并与Q235A钢进行了硬度、耐磨耐蚀对比试验。结果表明:涂层主要由Ti(CN)、Fe及少量的TiO2相组成,Ti(CN)呈细小颗粒状,涂层为良好的冶金结合;与Q235A钢相比,硬度提高了约3倍,摩擦系数约为Q235A的2/3,磨损量约为Q235A的1/2;在5%H2SO4溶液中,Ti(CN)涂层的腐蚀速率约为Q235A的1/3,在3.5%NaCl溶液中,Ti(CN)涂层的腐蚀速率约为Q235A钢的1/4。

关键词(KeyWords)： 原位合成;反应氮弧熔覆技术;Ti(CN)/Fe涂层;耐蚀性;耐磨性

Abstract:

Keywords:

基金项目(Foundation): 河北省杰出青年科学基金项目(E2011204036);; 河北省科技支撑计划项目(12211025)

作者(Author): 赵建国,李建昌,刘扬,郝建军,孙维连,马跃进

DOI: 10.13289/j.issn.1009-6264.2014.05.035

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