金属热处理 ›› 2023, Vol. 48 ›› Issue (10): 29-36.DOI: 10.13251/j.issn.0254-6051.2023.10.004

• 特约专栏 • 上一篇    下一篇

热处理调控冷喷涂金属沉积层微观特性及性能研究进展

李波1, 王豪1, 刘博2, 吴丽娟1, 张群莉1, 姚建华1   

  1. 1.浙江工业大学 机械工程学院, 浙江 杭州 310023;
    2.国网宁夏电力有限公司 超高压公司, 宁夏 银川 750001
  • 收稿日期:2023-08-16 修回日期:2023-09-13 出版日期:2023-10-25 发布日期:2023-12-07
  • 通讯作者: 张群莉,教授,博士,E-mail:zql@zjut.edu.cn
  • 作者简介:李 波(1987—),男,副研究员,博士,主要研究方向为激光复合制造,E-mail:libo1011@zjut.edu.cn。
  • 基金资助:
    国网宁夏电力有限公司科技项目(5229CG200069);浙江省自然科学基金(LY22E050017)

Microstructure and properties of cold-sprayed metal coating optimized by heat-treatment: A review

Li Bo1, Wang Hao1, Liu Bo2, Wu Lijuan1, Zhang Qunli1, Yao Jianhua1   

  1. 1. College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou Zhejiang 310023, China;
    2. Ultrahigh Voltage Company, State Grid Ningxia Electric Power Co., Ltd., Yinchuan Ningxia 750001, China
  • Received:2023-08-16 Revised:2023-09-13 Online:2023-10-25 Published:2023-12-07

摘要: 冷气动力学喷涂,又称冷喷涂(Cold spray,CS),是一种基于喷涂材料塑性变形实现固态沉积技术,可用于金属零部件的表面功能涂层制备以及增材制造/再制造。但目前冷喷涂技术还存在孔隙率高、界面结合弱、塑性差等问题,后续热处理常被用于冷喷涂沉积层微观组织及性能调控的有效手段。因此,本文综述了利用后续热处理调控冷喷涂金属沉积层微观结构及性能的研究现状,通过热处理可以对冷喷涂沉积层的致密性、组织物相以及应力状态等微观特性进行优化,从而改善沉积层的显微硬度、耐磨/耐蚀、导热/导电、强度以及塑性等性能。

关键词: 热处理, 冷喷涂, 孔隙, 界面结合, 性能

Abstract: Cold gas dynamic spray, also known as cold spray (CS), is a solid-state deposition technology based on spraying material plastic deformation, which can be used for the preparation of functional coatings on the surface of metal components and metal additive manufacturing/remanufacturing. However, there are still problems including high porosity, weak interface bonding and poor plasticity in cold spraying technology. Subsequent heat treatment is often used as an effective means to regulate the microstructure and performance of cold spraying deposition layers. Therefore, the current research status of using subsequent heat treatment to control the microstructure and properties of cold sprayed metal deposition coating was reviewed. Through heat treatment, the microstructure, phase and stress state of the cold sprayed deposition coating can be optimized, thereby improving the microhardness, wear/corrosion resistance, thermal/electrical conductivity, strength and plasticity of the deposition coating.

Key words: heat treatment, cold spray, porosity, interfacial bonding, property

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