激光表面改性技术及国内外发展现状  

TECHNOLOGY OF LASER SURFACING MODIFICATION AND DEVELOPMENT SITUATION DOMESTICALLY AND ABROAD

作　　者：应小东[1] 李午申[1] 冯灵芝[1] 

机构地区：[1]天津大学材料科学与工程学院,300072

出　　处：《焊接》2003年第1期5-8,共4页Welding & Joining

基　　金：.NULL.

摘　　要：材料表面处理有很多种处理方法 ,应用激光对材料表面实施处理则是一门新技术。简述了激光表面改性的研究和发展现状 ,特别是激光表面淬火、激光熔凝、激光表面合金化合激光熔覆等四种技术 ,对各项技术的原理、特点和国内外研究现状分别加以描述。最后 ,还简述了激光冲击硬化和激光气相沉淀这两项技术 。There are many ways of material surface treatment;the application situation of laser for the material surface treatment is a new technology. The paper gives a compendium of the research and the development situation of laser surface treatment,in particular,it focuses on several aspects of the following:laser surface hardening,laser fusing together,laser surface alloying and laser cladding,and its charactercs and recent development status are also discussed.At last, the paper describles laser shock hardening and LVD,and analyzes the existent problem and long term potential.

关 键 词：激光表面改性 发展现状 表面处理 

分 类 号：TG156.99[金属学及工艺—热处理] TG178[金属学及工艺—金属学]