宋享霖,向军淮,黄齐文,娄瑾,严凯,但江荣,侯鹏飞,肖伯涛

• 1:江西科技师范大学江西省材料表面工程重点实验室
• 2:武汉华材表面科技有限公司

摘要(Abstract)：

为了抑制等离子束合金修复涂层的开裂倾向，在球墨铸铁板上制备了织构化钴基耐磨合金涂层，并分析了织构化对等离子束沉积钴基耐磨合金涂层组织及高温摩擦磨损性能的影响。结果表明：钴基耐磨合金涂层的组织为典型的亚共晶白口铸铁组织；钴元素含量为16.41 mass%的合金涂层经4次640℃回火保温1 h处理后，硬度保持在550～600 HV0.2,表明其具有较高的热稳定性，适宜作热轧辊表面修复涂层材料；点状织构化处理能够有效地抑制合金涂层的开裂倾向，涂层的表面及截面均未观察到裂纹存在，在700℃进行1 h的高温摩擦磨损后，平均摩擦系数较低，为0.27,磨损机理为粘着磨损与氧化磨损。

关键词(KeyWords)： 钴基耐磨合金涂层;织构化;等离子束

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51865014);; 材料成形与模具技术国家重点实验室开放课题研究基金(P2019-012)

作者(Author): 宋享霖,向军淮,黄齐文,娄瑾,严凯,但江荣,侯鹏飞,肖伯涛

DOI: 10.13289/j.issn.1009-6264.2023-0233

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