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A100钢表面粗糙度与HVOF碳化钨涂层结合强度

王长亮 高俊国 汤智慧

王长亮, 高俊国, 汤智慧等 . A100钢表面粗糙度与HVOF碳化钨涂层结合强度[J]. 北京航空航天大学学报, 2013, 39(7): 937-942.
引用本文: 王长亮, 高俊国, 汤智慧等 . A100钢表面粗糙度与HVOF碳化钨涂层结合强度[J]. 北京航空航天大学学报, 2013, 39(7): 937-942.
Wang Changliang, Gao Junguo, Tang Zhihuiet al. Surface roughness of AerMet100 substrate and bond strength between the substrate and HVOF WC10Co4Cr coating[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(7): 937-942. (in Chinese)
Citation: Wang Changliang, Gao Junguo, Tang Zhihuiet al. Surface roughness of AerMet100 substrate and bond strength between the substrate and HVOF WC10Co4Cr coating[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(7): 937-942. (in Chinese)

A100钢表面粗糙度与HVOF碳化钨涂层结合强度

详细信息
  • 中图分类号: TG 174.44; TQ 153.2

Surface roughness of AerMet100 substrate and bond strength between the substrate and HVOF WC10Co4Cr coating

  • 摘要: 采用超音速火焰喷涂方法在AerMet100钢(A100钢)基体上制备了WC10Co4Cr涂层,研究了不同喷砂条件对AerMet100钢表面粗糙度变化及对涂层与基体结合强度的影响.之后将涂层使用化学方法退除,观察涂层制备对AerMet100钢基体表面状态的影响,分析了粗糙度与涂层结合强度之间的关系.结果表明:AerMet100钢基体不同吹砂工艺产生的表面粗糙度 Sa=0.994~4.983 μm时,超音速火焰喷涂WC10Co4Cr涂层的结合强度均不低于72 MPa.喷涂涂层过程对基体表面状态没有较大影响:基体粗糙度 Sa<2 μm时,喷涂后,基体表面的粗糙度略有降低;基体粗糙度 Sa>3 μm时,喷涂后,基体粗糙度略有升高.超音速火焰喷涂的碳化钨钴涂层与AerMet100钢基体的结合同时存在物理与机械力结合,以前者为主要结合力.

     

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出版历程
  • 收稿日期:  2013-04-10
  • 网络出版日期:  2013-07-30

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