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中文摘要: 本文采用大气等离子 (APS) 和超音速火焰 (HVOF) 两种喷涂工艺制备了高硬度、 高结合强度 CoMoCrSi
耐磨涂层, 并进行了性能和成本对比分析。 结果表明, 通过参数优化后, APS 制备的 CoMoCrSi 涂层硬度
86HR15N, 464HV300gf, 结合强度 45MPa; HVOF 制备的 CoMoCrSi 涂层硬度 89HR15N, 699HV300gf, 结合强度
69MPa。 HVOF 制备的 CoMoCrSi 涂层, 组织和各项性能均优于 APS。 XRD 检测显示 HVOF 涂层为非晶态, APS
则为晶态和非晶态, 这可能与两种喷涂方式不同冷速有关。 非晶态组织的出现, 也可印证涂层性能的优异。 APS
生产效率为 HVOF 的 2 倍, 每小时喷涂成本为 HVOF 的 80%。 两种工艺各有优势, 可针对不同应用环境和需求
选择合适的工艺。
中文关键词: APS HVOF 高结合强度 CoMoCrSi涂层
Abstract:Properties and cost comparison have been studied on high bond strength and high hardness CoMoCrSi
coatings sprayed by APS and HVOF. The results show that, properties of CoMoCrSi coating sprayed by APS can
be 86HR15N, 464HV300gf, and bond strength 45 MPa. Properties of CoMoCrSi coating sprayed by HVOF can be
89 HR15N, 699 HV300gf, and bond strength 69 MPa. The microstructures and properties of HVOF-sprayed coating
were significantly better than APS-sprayed coating. CoMoCrSi coating sprayed by APS is amorphous and crystal
composite structure,and HVOF-sprayed coating presents a complete amorphous structure according to XRD
results. However, APS production efficiency is twice of HVOF with 80% cost. The two spraying methods have
their own advantages, which can be chosen according to different application environments and needs.
keywords: APS HVOF High bond strength CoMoCrSi coating
文章编号: 中图分类号: 文献标志码:
基金项目:
Author Name | Affiliation |
Aecc Aero Science and Technology Co., Ltd. | |
Aecc Aero Science and Technology Co., Ltd. | |
Aecc Aero Science and Technology Co., Ltd. | |
Aecc Aero Science and Technology Co., Ltd. |
引用文本:
黎红英,罗朝勇,谢善,刘雅朋.大气等离子喷涂和超音速火焰喷涂制备的CoMoCrSi涂层组织结构和性能[J].热喷涂技术,2020,12(1):62-68.
黎红英,罗朝勇,谢善,刘雅朋.大气等离子喷涂和超音速火焰喷涂制备的CoMoCrSi涂层组织结构和性能[J].热喷涂技术,2020,12(1):62-68.