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
表1 在770℃保温不同时间的淬火-配分试样的力学性能
Table 1 Tensile properties of PPQ&P samples after austenitization at 770oC for different time

Time

s

YS

MPa

UTS

MPa

TEL

%

UEL

%

TEL - UEL

%

101499 ± 91719 ± 620.7 ± 1.813.8 ± 1.06.9
901430 ± 41677 ± 2120.1 ± 1.415.0 ± 1.55.1
12001247 ± 121697 ± 221.8 ± 0.416.5 ± 0.25.3