邢泽炳,卫英慧,翟鹏飞

• 1:太原理工大学材料科学与工程学院
• 2:山西农业大学工学院

摘要(Abstract)：

以65Mn钢为研究对象,使用电弧熔敷由WC、Ti C和Co组成的硬质合金粉末,在材料表面形成电弧熔敷层。使用光学显微镜,X射线衍射分析仪和扫描电镜观察和分析了电弧熔敷层的组织与结构,并通过显微硬度计和磨粒磨损试验机研究了熔敷层的硬度和耐磨性能。结果表明,电弧熔敷硬质合金可在65Mn钢表面形成与基体结合紧密的耐磨涂层,当涂层中Co、Ti C和WC含量分别为45%,20%和35%时,硬质合金涂层表面的平均磨损量仅为未处理65Mn旋耕刀的27%。电弧熔敷可显著提高表层显微硬度,改善表面耐磨性能,提高耕作部件的使用寿命。

关键词(KeyWords)： 耕作部件;电弧熔敷;硬质合金;摩擦磨损

Abstract:

Keywords:

基金项目(Foundation): 中国博士后基金(2012M511092);; 山西省科技攻关计划项目(20100311060)

作者(Author): 邢泽炳,卫英慧,翟鹏飞

DOI: 10.13289/j.issn.1009-6264.2015.03.034

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