稀土La对钴基高温合金GH51881100℃下空气中氧化行为的影响
王爽, 王资兴, 程晓农, 罗锐

Effect of Rare Earth La on High Temperature Oxidation of Cobalt-based Superalloy GH5188 at 1100oC
WANG Shuang, WANG Zixing, CHENG Xiaonong, LUO Rui
表1 La含量不同的GH5188合金的化学成分
Table 1 Chemical compositions of GH5188 alloy samples with different contents of La
No.CrWNiMnLaFeCo
0#22.1014.8021.580.77230.0001.77Bal.
1#21.9414.4921.420.76070.0291.64Bal.
2#22.1114.5121.500.77140.0601.87Bal.
3#22.1314.4621.470.79230.5711.84Bal.