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,王磊,宋秀,刘杨,杨舒宇,千叶晶彦

Effect of Pre-Oxidation on High Temperature Oxidation and Corrosion Behavior of Co-Al-W-Based Superalloy

Bo GAO,Lei WANG,Xiu SONG,Yang LIU,Shuyu YANG,Akihiko CHIBA

表1 Co-Al-W基高温合金的预氧化制度

Table 1 Pre-oxidation treatment for Co-Al-W-based superalloy

Treatment Temperature / ℃ Oxidation atmosphere Time / h 900-PreO 900 Air 72 950-PreO 950 Air 72 1000-LPreO 1000 1%O2+99%Ar 72