<strong>3Mn-0.2C</strong>中锰钢形变诱导铁素体动态相变机理

3Mn-0.2C中锰钢形变诱导铁素体动态相变机理

孙毅, 郑沁园, 胡宝佳, 王平, 郑成武, 李殿中

Mechanism of Dynamic Strain-Induced Ferrite Transformation in a 3Mn-0.2C Medium Mn Steel

SUN Yi, ZHENG Qinyuan, HU Baojia, WANG Ping, ZHENG Chengwu, LI Dianzhong

图6 3Mn-0.2C MMS在T = 660℃、 $\dot{ε}$ = 0.001 s^-1下变形至ε = 0.92时的微观组织与变形后在相同温度保温1000 s后微观组织的EBSD像

Fig. 6 EBSD images of the 3Mn-0.2C MMS deformed to ε = 0.92 under T = 660^oC and $\dot{ε}$ = 0.001 s^-1 (a), and the 3Mn-0.2C MMS continuously soaked for 1000 s after deformation at the same temperature (b) (The green and blue lines in the figures represent boundaries with 2° ≤ θ < 15° and θ ≥ 15°, respectively)