一种含富锰偏析带的热轧临界退火中锰钢的组织调控及强化机制

陈学双, 黄兴民, 刘俊杰, 吕超, 张娟

Microstructure Regulation and Strengthening Mechanisms of a Hot-Rolled & Intercritical Annealed Medium-Mn Steel Containing Mn-Segregation Band

CHEN Xueshuang, HUANG Xingmin, LIU Junjie, LV Chao, ZHANG Juan

图1 热轧淬火态中锰钢的SEM像、EBSD相分布图和反极图(IPF)

Fig.1 SEM image (a), electron backscattered diffraction (EBSD) phase map (b), and inverse pole figure (IPF) (c) of hot-rolled and quenched medium-Mn steel specimen (Inset in Fig.1a shows the high magnified image; M—martensite, HAGBs—high-angle grain boundaries, LAGBs—low-angle grain boundaries, PABs—prior-austenite grain boundaries, RD—rolling direction, TD—transverse direction)