连续屈服、高强屈比中锰钢的工艺设计与组织调控

张光莹, 李岩, 黄丽颖, 定巍

Process Design and Microstructure Control of Medium Manganese Steel with Continuous Yield and High Strength Yield Ratio

ZHANG Guangying, LI Yan, HUANG Liying, DING Wei

图5 PA730-5试样拉伸断裂后距离断口不同位置的取样位置示意图及SEM像

Fig.5 Schematic of sample location (a) and corresponding SEM images (b-d) away from fracture successively in PA730-5 sample