<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3 3Mn-0.2C MMS在T = 660℃保温1800 s后和相同温度下以应变速率 $\dot{ε}$ = 0.001 s^-1变形至应变ε = 0.51的SEM像

Fig.3 SEM images of 3Mn-0.2C MMS soaking at T = 660^oC for 1800 s (a) and deformed to ε = 0.51 with $\dot{ε}$ = 0.001 s^-1 at T = 660^oC (b) (RA—retained austenite)