电火花表面熔覆技术的研究及应用  

Research and Application of Electro-spark Surface Cladding Technique

作　　者：李静瑞[1] 罗斌 肖明 张瑞珠[1] 

机构地区：[1]华北水利水电学院机械学院,河南郑州450045 [2]河南济源小浪底水力发电厂,河南济源459017

出　　处：《华北水利水电学院学报》2013年第2期117-120,共4页North China Institute of Water Conservancy and Hydroelectric Power

基　　金：水利部"948"项目(201048);河南省科技攻关项目(122102210241)

摘　　要：电火花表面熔覆技术是一种具有特殊强化效果和独特技术优势的新工艺,为推广该工艺,介绍了电火花表面熔覆技术的原理,论述了电火花表面熔覆理论、放电机理的研究现状及其在水利水电行业、模具、冶金等领域的应用情况,指出了电火花表面熔覆技术发展中存在的问题及其主要研究方向,强调了电火花表面熔覆技术与其他表面改性技术相结合这一最新研究趋势,为其在各个工程领域中的推广应用提供了参考.The electro-spark surface cladding is a new technology with special hardening effect and unique technical advantages.In this paper,the principle of electro-spark surface cladding technique is introduced.The present situation of electro-spark surface cladding theory,mechanism of discharging and its application in every field such as hydropower industry,moulds and metallurgical industry are discussed.At the same time,the problems in the development and the tendency of the research in the future are pointed out,and the latest development trend of combining electro-spark surface cladding with other surface modification technology is emphasized.These can provide a reference for the promotion and application of electro-spark surface cladding technology in other engineering fields.

关 键 词：电火花 表面熔覆 熔覆层 水利行业 

分 类 号：TG174[金属学及工艺—金属表面处理]