Nb/NbCr_2合金表面激光熔覆抗氧化涂层的研究进展  

Progress in Studies of Laser Cladding Oxidation-resistance Coating on Nb/NbCr_2 Alloy

作　　者：温玉婷[1] 黄洁敏[1] 郑海忠[1] 

机构地区：[1]南昌航空大学,江西南昌330063

出　　处：《新技术新工艺》2011年第5期81-84,共4页New Technology & New Process

基　　金：国家自然科学基金资助项目(50474009);航空科学基金资助项目(05G56003);博士启动金资助项目(EA200901372);江西省材料工程中心资助项目(ZX200901002);江西省自然基金资助项目(2010GQC0154)

摘　　要：高强高韧Nb/NbCr2合金较差的高温抗氧化性限制了其作为高温结构材料在1 200℃以上的应用进程,本文对NbCr2基合金的高温抗氧化性的研究现状及其高温抗氧化涂层的研究进展进行了综合评述,着重介绍了激光熔覆纳米陶瓷抗氧化涂层存在的问题及发展趋势,并就今后发展方向提出了看法。The application process at high temperature（over 1200 ℃） of Nb/NbCr2 with high strength and high ductility as high temperature structural materials in the aeronautical and astronautical field is hindered by its high temperature oxidation resistance.Therefore,the research on the high temperature oxidation resistance and the research processing about protective coatings of Laves NbCr2 based alloys were reviewed.The existing problems in the oxidation resistance coatings fabricated by laser cladding were mainly introduced.Finally,the development trend of the future research fields was pointed out.

关 键 词：Nb/NbCr2合金 抗氧化涂层 激光熔覆 研究进展 

分 类 号：TF125.2[冶金工程—粉末冶金] TF124.8[冶金工程—冶金物理化学]