3:35 PM - 3:55 PM [J34] Effect of Mo addition on the toughness of 10%Mn-0.1%C steel at inter critical annealing *Hajime Kubota1, Toshihiro Tsuchiyama2, Ryuji Uemori3, Takuro Masumura4 (1. Kyushu Univ., 2. Kyushu Univ., 3. Kyushu Univ., 4. Kyushu Univ.)