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2 NPreO和950-PreO预氧化Co-Al-W基高温合金的平均腐蚀增重速率
Table 2 Average mass gain rates of NPreO和950-PreO treated Co-Al-W-based superalloys exposed to 75%Na2SO4+25%NaCl

Treatment

800 ℃850 ℃
0~11 h11~99 h0~11 h11~99 h
NPreO5.50±0.910.52±0.046.94±0.770.75±0.08
950-PreO0.68±0.170.12±0.040.76±0.170.14±0.07