[S4] Architecture construction for functions and properties of materials III -Relationship between Materials Properties and Fabricated Structures through Solidification and Solid Phase Transformation-

[S4.13] Relationship between Precipitation and High Temperature Oxidation Behavior of Fe-20Cr-0.5Nb-2Mo ferritic alloys

*SHINTARO KONDO¹, KIMURS YOSHISATO², CHAI YAW　Wang², SHIN ISHIKAWA³ (1. Tokyo Tech, 2. Tokyo Tech, 3. JFE Steel)

Keywords:フェライト系ステンレス、高温酸化、析出、Laves相、χ相

Fe-20Cr-0.5Nb-2Moのフェライト系合金において、金属間化合物相（Laves相・χ相）の酸化雰囲気下での析出挙動、およびその析出形態が合金の酸化に及ぼす影響を明らかにした。