两步贝氏体转变对中碳微纳结构钢韧性的影响
万响亮1,胡锋1,2,3(),成林2,3,黄刚2,3,张国宏2,3,吴开明1,2,3
Influence of Two-Step Bainite Transformation on Toughness in Medium-Carbon Micro/Nano-Structured Steel
WAN Xiangliang1,HU Feng1,2,3(),CHENG Lin2,3,HUANG Gang2,3,ZHANG Guohong2,3,WU Kaiming1,2,3

图2. 中碳钢一步和两步贝氏体转变组织的SEM像

Fig.2. SEM images of medium-carbon steel for one-step (a, c, e) and two-step (b, d, f) bainitic transformations (RA/M—mixture of retained austenite and martensite, RA—retained austenite, BF—bainitic ferrite;area of dashed lines in Figs.2c and d show block RA/M)