[G] 高温酸化・高温腐食

[225] Effect of alloy microstructure on oxidation resistance of alumina scale forming γ-γ’ two phase alloys

*王 振涛¹、米田 鈴枝¹、林 重成¹ (1. 北大)

キーワード：high temperature oxidation、Ni-based alloy、γ-γ' two phase、initial oxidation、oxidation kinetics

Ni-based high temperature alloys are often strengthened by γ’. When γ’ precipitates in the γ phase, Al content in matrix decreases, which might decrease the ability to form a protective scale.