10:50 AM - 11:10 AM [J40] Stabilization by prior deformation in metastable austenitic steel undergoing γ→ε→α’ transformation *Manato Otaki1, Takuro Masumura2, Toshihiro Tsuchiyama3, Syota Yamasaki4 (1. Kyushu Univ., 2. Kyushu Univ., 3. Kyushu Univ., 4. Nippon Steel Stainless Steel)