高强度高塑性第三代汽车钢的M3组织调控理论与技术
王存宇1,常颖2(
),周峰峦1,曹文全1,董瀚1,3,翁宇庆1
),周峰峦1,曹文全1,董瀚1,3,翁宇庆1
M3 Microstructure Control Theory and Technology of the Third-Generation Automotive Steels with HighStrength and High Ductility
WANG Cunyu1,CHANG Ying2(),ZHOU Fengluan1,CAO Wenquan1,DONG Han1,3,WENG Yuqing1
),ZHOU Fengluan1,CAO Wenquan1,DONG Han1,3,WENG Yuqing1
图3. M3 (多相、亚稳和多尺度)组织调控思路、正/逆相变工艺及其性能调控原理
Fig.3. M3 (multiphase, metastable, multiscale) microstructure control design, positive/reverse phase transformation process and performance control principle (A3—temperature of polymorphic transformation γ?α in Fe-C phase diagram, A1—temperature of eutectoid reaction in Fe-C phase diagram, Ms—martensite transformation start temperature, TMCP—thermo mechanical control process)
