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 1 热处理工艺示意图
Fig.1 Schematic of heat treatment process (A1—start temperature of pearlite transformed to austenite, A3—temperature of all ferrite transformed to austenite, A—austenite, F—ferrite, P—pearlite, M—martensite, RA—retained austenite, RA+—Mn-rich RA, RA-—Mn-poor RA)