镁合金表面熔覆改性技术的研究进展  

Research Development of Surface Overlaying Modification Technology of Magnesium Alloys

作　　者：陈愚[1] 肖泽辉[1] 谭香玲[1] 

机构地区：[1]湘潭大学机械工程学院,湘潭411105

出　　处：《材料导报》2008年第3期90-93,共4页Materials Reports

基　　金：湖南省教育厅青年项目(05B005)

摘　　要：评述了镁合金表面熔覆改性技术的国内外发展概况,着重介绍了热喷涂、激光熔覆及热喷涂+激光重熔复合熔覆3种处理工艺和熔覆涂层材料,提出采用热喷涂+激光熔覆复合法熔覆工艺、镁合金表面熔覆非晶合金以及熔覆高熔点涂层是提高镁合金表面性能的有效方法,具有良好的应用前景。Recent developments of the application of surfacing overlaying modification technology of magnesium alloys are reviewed, The main treatment processes including thermal spraying, laser cladding and a two-step composite method, thermal spraying firstly then laser cladding, are introduced emphatically. Moreover, coating materials for surface modification of magnesium alloy are also summarized. It＇ s pointed out that the composite technology of thermal spraying firstly then laser cladding, overlaying amorphous alloys coating and high melting point materials coating are effective methods of enhancing surface performance of magnesium alloys, which have good application prospects and are worth further studying

关 键 词：镁合金 表面改性 研究进展 

分 类 号：TG156.99[金属学及工艺—热处理] TQ325.14[金属学及工艺—金属学]