[P] P161~P174

[P174] Alloy design of CoAl-based oxidation resistance coating for Co-based two-phase superalloys

*Kenichiro MORIMOTO¹, Takeshi Takeshi², Katsushi TANAKA² (1. Kobe Univ., 2. Kobe Univ.)

Keywords:耐熱合金、Co基超合金、耐酸化性、CoAl被膜

CoAl相がCo-Al-W基超合金においてγ/γ’相と平衡することに着目し，高温保持時においてもCo-Al-W基合金のγ/γ’二相組織に影響を与えないCoAl基B2相の耐酸化被覆材の開発を目指す．