预氧化对Co-Al-W基高温合金高温氧化和热腐蚀行为的影响
高博1,2,王磊1,2(),宋秀1,2,刘杨1,2,杨舒宇3,千叶晶彦4
Effect of Pre-Oxidation on High Temperature Oxidation and Corrosion Behavior of Co-Al-W-Based Superalloy
GAO Bo1,2,WANG Lei1,2(),SONG Xiu1,2,LIU Yang1,2,YANG Shuyu3,CHIBA Akihiko4

图7. 900-PreO和950-PreO预氧化Co-Al-W基高温合金氧化2 h的氧化层BSE像

Fig.7. BSE images of the oxide layer in 900-PreO (a) and 950-PreO (b) treated Co-Al-W-based superalloy oxidized at 1000 ℃ for 2 h (Insets show the EDS mappings)