熊万能,黄本生,文雄,高钰枭,明柯宇,肖晓华

• 1:西南石油大学材料科学与工程学院

摘要(Abstract)：

为了改善抽油杆材料的表面性能,采用高频感应熔覆技术在其表面制备了TiC/Ni复合涂层。采用光学显微镜、扫描电镜(SEM)、能谱仪(EDS)、X射线衍射仪(XRD)等研究了涂层经固溶及不同时间时效处理后的显微组织及物相组成,并利用显微硬度计及摩擦磨损实验测试了时效后涂层的性能变化。结果表明:经固溶时效后的涂层并未出现明显缺陷,涂层主要以γ-Ni固溶体、Ni的化合物、CrB、碳化物以及δ相等硬质颗粒组成;时效后涂层的最大硬度达到928.2 HV0.2,相比时效前提高了4%,最低磨损量为48.9 mg,比基材减少了62%,在时效4 h后,涂层的综合性能最好。

关键词(KeyWords)： TiC/Ni复合涂层;时效处理;显微组织;硬度

Abstract:

Keywords:

基金项目(Foundation): 四川省大学生创新创业训练计划(201810615104);; 西南石油大学大学生课外开放实验项目(KSZ17221)

作者(Author): 熊万能,黄本生,文雄,高钰枭,明柯宇,肖晓华

DOI: 10.13289/j.issn.1009-6264.2019-0401

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