大变形管线钢中F/B多相组织应变硬化行为和应力比研究*

汤忖江, 尚成嘉, 关海龙, 王学敏

Strain Hardening Behavior and Stress Ratio of High Deformability Pipeline Steel with Ferrite/Bainite Multi-phase Microstructure

TANG Cunjiang, SHANG Chengjia, GUAN Hailong, WANG Xuemin

表1 实验钢化学成分(质量分数,%)

Table 1 Chemical composition of experimental steels (mass fraction,%)

C Si Mn Ti Nb Ni+Cr+Cu 0.04 0.22 1.75 0.015 0.095 0.5