非均质Mn分布对淬火-配分钢微观组织和力学性能的影响
张超, 熊志平, 杨德振, 程兴旺

Effect of Mn Heterogeneous Distribution on Microstructures and Mechanical Properties of Quenching and Partitioning Steels
ZHANG Chao, XIONG Zhiping, YANG Dezhen, CHENG Xingwang
图9 在770℃保温不同时间的淬火-配分试样拉伸断口的SEM像
Fig.9 SEM images of fracture surfaces after austenitization at 770oC for 10 s (a), 90 s (b), and 1200 s (c)