超音速等离子喷涂非晶涂层微观结构与摩擦学性能

doi:10.13251/j.issn.0254-6051.2022.12.035

金属热处理 ›› 2022, Vol. 47 ›› Issue (12): 210-215.DOI: 10.13251/j.issn.0254-6051.2022.12.035

超音速等离子喷涂非晶涂层微观结构与摩擦学性能

何涛¹, 王学朋¹, 刘海波¹, 柳琪², 贾华¹, 刘娜², 丁飞²

1.吴忠仪表有限责任公司, 宁夏吴忠 751100;
2.西安交通大学金属材料强度国家重点实验室, 陕西西安 710049

收稿日期:2022-08-09 修回日期:2022-10-30 出版日期:2022-12-25 发布日期:2023-01-05
通讯作者: 柳琪,博士,E-mail:lq925742369@163.com
作者简介:何涛(1989—),男,工程师,主要研究方向为金属材料热处理及金属材料表面改性工艺,E-mail:ht@wzyb.com.cn。
基金资助:
高端控制阀产业技术协同创新中心项目(Grant No. WZYB-XTCX-001)

Microstructure and tribological properties of amorphous coatings by supersonic atmospheric plasma spraying

He Tao¹, Wang Xuepeng¹, Liu Haibo¹, Liu Qi², Jia Hua¹, Liu Na², Ding Fei²

1. Wuzhong Instrument Co., Ltd., Wuzhong Ningxia 751100, China;
2. State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an Shaanxi 710049, China

Received:2022-08-09 Revised:2022-10-30 Online:2022-12-25 Published:2023-01-05

摘要/Abstract

摘要： 采用新一代超音速高能等离子喷涂(SAPS)技术制备了Fe基和Mo基两种非晶涂层,对涂层的微观结构与摩擦学性能进行对比分析。结果表明,SAPS喷涂Fe基和Mo基非晶涂层内部孔洞少、结构致密性高。与Fe基涂层相比,具有更低孔隙率的Mo基涂层在摩擦过程中表现出更低的磨损率(1.1×10^-4 μm·N^-1·s^-1),耐磨性更优。涂层的磨损机理均以磨粒磨损和疲劳磨损为主,并伴随着磨屑氧化。

关键词: 超音速等离子喷涂, 非晶涂层, 显微组织, 摩擦学性能, 磨粒磨损

Abstract: Fe-based and Mo-based amorphous coatings are fabricated by the new generation of supersonic atmospheric plasma spraying (SAPS), and microstructure and tribological properties of the coatings were comparatively analyzed. The results show that a small number of pores in the SAPS sprayed Fe-based and Mo-based amorphous coatings lead to high structural density. Compared with Fe-based coating, the Mo-based coating with lower porosity has a lower wear rate (1.1×10^-4μm·N^-1·s^-1) during friction, resulting in a better wear resistance. The wear mechanism of the coatings is mainly abrasive wear and fatigue wear, accompanied by delamination and debris oxidation.

Key words: supersonic atmospheric plasma spraying, amorphous coatings, microstructure, tribological properties, abrasive wear

中图分类号:

TG174.442

何涛, 王学朋, 刘海波, 柳琪, 贾华, 刘娜, 丁飞. 超音速等离子喷涂非晶涂层微观结构与摩擦学性能[J]. 金属热处理, 2022, 47(12): 210-215.

He Tao, Wang Xuepeng, Liu Haibo, Liu Qi, Jia Hua, Liu Na, Ding Fei. Microstructure and tribological properties of amorphous coatings by supersonic atmospheric plasma spraying[J]. Heat Treatment of Metals, 2022, 47(12): 210-215.

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超音速等离子喷涂非晶涂层微观结构与摩擦学性能

Microstructure and tribological properties of amorphous coatings by supersonic atmospheric plasma spraying

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