激光熔覆氧化铝基涂层的研究进展  

Research Progress of Al_2O_3 Based Coating by Laser Cladding

作　　者：饶轮 董万鹏[1] 刘雅芳[1] 吴璐[1] 潘斌[1] 

机构地区：[1]上海工程技术大学材料工程学院,上海201620

出　　处：《热加工工艺》2015年第14期45-47,50,共4页Hot Working Technology

基　　金：上海工程技术大学研究生科研创新项目(14KY0518);轻量化车用先进高强钢电阻点焊力学性能测试(nhky-2014-14)

摘　　要：对氧化铝涂层的研究现状进行了综述。比较了Ni Al-Al2O3复合涂层、Al2O3-Ti O2复合涂层、Al2O3-Cr2O3复合涂层的组织性能研究和制备情况,发现了熔覆层存在的缺陷(氧化烧损、裂纹和孔隙等),并讨论了解决裂纹缺陷、获得高质量涂层的方法。The research status of alumina coating was reviewed, the classification and research status of laser cladding of alumina based coating were introduced emphatically. The properties and preparation of NiAl-Al2O3 composite coating,Al2O3-TiO2 coating, and Al2O3-Cr2O3 coating were introduced, the defects of cladding layer（oxidation, such as cracks,pores and cracks） solution, method for obtaining high quality coatings and related process were also pointed out.

关 键 词：激光熔覆 氧化铝 涂层 陶瓷 

分 类 号：TB321[一般工业技术—材料科学与工程]