Study on high-temperature oxidation behavior of nanocrystalline coatings in an atmosphere containing water vapor
作者
Chang GongWenyao SunMinghui ChenJinlong WangFuhui Wang
单位
1Materials Science & Chemical Engineering College、Harbin Engineering University、Harbin 150001、China 2Shenyang National Laboratory for Materials Science、Northeastern University、Shenyang 110819、China
关键词
nanocrystalline coatingwater vaporhigh-temperature oxidation
收录来源
International Corrosion Congress · 第22届国际腐蚀大会
摘要
Ni-based super alloy and its sputtered nanocrystalline coating prepared by magnetron sputtering were oxidized in O2 and O2+20%H2O environment at 900 ° C. The kinetics of oxide formation in the presence of water vapour were discussed and compared with oxidation in dry atmospheres. The oxidation rates were decreased by the presence of water vapour. Scale morphology and phase composition are also influenced by water vapour.