Oxidation Behaviour of Sputtered Ni-3Cr-20Al Alloy

查看全文 作　　者：Guofeng CHEN and Hanyi LOU (State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110015, China) 出　　处：《Journal of Materials Science & Technology》索引2000年第16卷第1期,共3页 基　　金：National Natural Science Foundation of China !under grant 59671060 摘　　要：The oxidation behavior of sputtered Ni-3Cr-20Al coating at 900℃ in air was investigated. A dense Al2O3 layer was formed on the sputtered Ni-3Cr-20Al coating after 200 h oxidation. However, owing to the segregation of Ni3Al during oxidation process at high temperature, the spinel NiAl2O4 was also formed in the Al2O3 layer. It was found that the formation of NiAl2O4 had no detrimental effect on the oxidation resistance of the sputtered Ni-3Cr-20Al coating due to the excellent adhesion shown by the Al2O3 and NiAl2O4 complex oxide scale. 关 键 词：AL Oxidation Behaviour of Sputtered Ni-3Cr-20Al Alloy CR NI