反应等离子喷涂技术研究现状  

Research Status of Reactive Plasma Spraying Technology

作　　者：黄清华 陈爽[1] 刘明 周新远 黄艳斐 王海斗[2,3] HUANG Qinghua;CHEN Shuang;LIU Ming;ZHOU Xinyuan;HUANG Yanfei;WANG Haidou(College of Mechanical and Electrical Engineering,Jiangxi University of Science and Technology,Ganzhou 341000,Jiangxi,China;National Key Laboratory for Remanufacturing,Army Academy of Armored Forces,Beijing 100072,China;National Engineering Research Center for Remanufacturing,Army Academy of Armored Forces,Beijing 100072,China)

机构地区：[1]江西理工大学机电工程学院,江西赣州341000 [2]陆军装甲兵学院装备再制造技术国防科技重点实验室,北京100072 [3]陆军装甲兵学院机械产品再制造国家工程研究中心,北京100072

出　　处：《材料导报》2023年第20期66-77,共12页Materials Reports

基　　金：国家自然科学基金(52075542,52130509,52105235);十四五预研项目。

摘　　要：反应等离子喷涂技术(RPS)是一种高效且应用广泛的表面处理技术,具有生产效率高、能量利用率高、涂层结合强度大及可喷涂材料广等优点。近年来研究人员主要集中于利用反应等离子喷涂技术制备常规方法难以获得的高熔点、高性能的金属间化合物、陶瓷以及复合涂层,并进行相关的性能测试和质量调控。然而,对喷涂粉末在飞行过程中和到达基体之后的反应放热行为以及反应动力学控制研究尚不深入,并且缺乏对涂层的构筑机理及生长模型的研究。本文从反应等离子喷涂机理、反应过程热力学与动力学分析、反应等离子喷涂粉末制备方法、反应等离子喷涂涂层及其性能和反应等离子喷涂涂层质量调控五个方面,介绍了反应等离子喷涂技术当前的发展概况。其中,在反应等离子喷涂机理方面,阐述了喷涂过程的固/固和固/气反应机理;在反应热力学与动力学分析方面,介绍了反应发生和维持所需要的条件及经典的热力学和动力学计算公式;在反应等离子喷涂粉末制备方法方面,对比了机械混合法、喷雾造粒法、前驱体热解法、包覆法及其他方法的优缺点;在反应等离子喷涂涂层及其性能方面,分别介绍了几种金属间化合物涂层、陶瓷涂层和复合涂层的相关性能;在反应等离子喷涂涂层质量调控方面,综述了工艺参数优化、添加增强颗粒和后处理技术对涂层性能的影响。最后对反应等离子喷涂技术的发展趋势进行了展望。Reactive plasma spraying(RPS)is an efficient and widely used surface treatment technology,which has the advantages of high production efficiency,high energy utilization,high bonding strength of coating and a wide range of spray materials.In recent years,researchers have focused on the preparation of high melting point and high performance intermetallic compounds,ceramics and composite coatings by reactive plasma spraying,and the related performance testing and quality control.However,the research on the reaction exothermic behavior and reaction kinetic control of sprayed powder during flight and after reaching the substrate is not thorough.Moreover,there is a lack of research on the construction mechanism and growth model of the coating.In this paper,the current development of reactive plasma spraying technology is introduced from five aspects:mechanism of reactive plasma spraying,thermodynamic and kinetic analysis of reaction process,preparation method of reactive plasma spraying powder,reactive plasma spraying coating and its properties,and quality control of reactive plasma spraying coating.Among them,as for the mechanism of reactive plasma spraying,the solid/solid and solid/gas reaction mechanisms of spraying process are described.In the aspect of reaction thermodynamics and kinetics analysis,the conditions that required reaction occurrence,maintenance as well as the classical thermodynamic and kinetics calculation formulas are introduced.In the preparation of reactive plasma spraying powder,the advantages and disadvantages of mechanical mixing,spray drying,precursor pyrolysis,coating and other methods are compared.In the aspects of reactive plasma spraying coating and its properties,the related properties of several intermetallic compound coating,ceramic coating and composite coating are introduced respectively.In terms of quality control of reactive plasma spraying coating,the effects of process parameter optimization,addition of reinforcing particles and post-treatment technology on coating properties are

关 键 词：反应等离子喷涂技术 喷涂机理 热力学与动力学分析 质量调控 

分 类 号：TG174.4[金属学及工艺—金属表面处理]