液体高速冲蚀与防护涂层研究现状  

Research Status of Liquid Erosion and Protective Coating

作　　者：陈昌隆 赵宜妮 李玉阁[1] CHEN Changlong;ZHAO Yini;LI Yuge(Surface Engineering Laboratory,School of Materials Science and Technology,Dalian University of Technology,Dalian 116024,China)

机构地区：[1]大连理工大学材料科学与工程学院,表面工程实验室,大连116024

出　　处：《材料导报》2021年第S02期361-366,共6页Materials Reports

基　　金：国家重点基础研究发展计划(2018YFA0704603);国家自然科学基金(51601029,U1508218);中央高校基本科研业务费专项资金(DUT19JC52)。

摘　　要：本文面向在天然气、风力发电、火力发电等能源行业中所用设备广泛出现的气液两相流水滴型冲蚀难题,分别对其破坏机制、影响因素、涂层防护技术等方面进行了综述,列举了水滴冲蚀实验所用到的设备、行业标准以及冲蚀试验后的检测手段,并探讨了表面防护涂层的硬度、断裂韧性等物理性能以及涂层的厚度、结构、残余应力等特征对材料的抗水滴冲蚀性能和冲蚀机制的影响,通过相关研究的分析和探讨为抗水滴型冲蚀涂层防护设计提供参考。This paper studies the water droplet erosion that is widely used in equipment used in energy industries such as natural gas,wind power,thermal power generation,etc.,and further reviewed the damage mechanism,influencing factors of droplet erosion and coating protection technique.Meanwhile,this article also lists the equipment used in the water drop erosion experiment,industry standards,and the detection methods after the erosion test.The impact of physical properties such as fracture toughness,thickness,structure,and residual stress of the coating on the water droplet erosion resistance of the enhanced material.Through these methods,the experimental results of the water drop erosion experiment can be effectively obtained to provide a positive reference for the experiment and industrial production.

关 键 词：气液两相流 水滴型冲蚀 防护涂层 冲蚀机制 水蚀实验 

分 类 号：TG156.88[金属学及工艺—热处理] TB114.2[金属学及工艺—金属学]