低合金高强钢板贝/马复相回火过程硬度及微观组织的演变行为

鞠玉琳, 魏琪, 袁志钟, 程晓农

Hardness and Microstructural Evolution of Lower Bainite and Martensite Mixtures on Tempering of High-Strength Low-Alloy Steel Plates

JU Yulin, WEI Qi, YUAN Zhizhong, CHENG Xiaonong

图7 600 ℃回火16 h后，100%M和LB/M (56%M + 44%LB)试样中马氏体碳化物的宽度和长度分布，以及100%LB和LB/M (56%M + 44%LB)试样中下贝氏体碳化物的宽度和长度分布

Fig.7 Width (a) and length (b) distributions for martensitic carbides in the 100%M and LB/M (56%M + 44%LB) samples, and width (c) and length (d) distributions for bainitic carbides in the100%LB and LB/M (56%M + 44%LB) samples after tempering at 600 oC for 16 h