预变形和双级时效对Fe-30Mn-11Al-1.2C奥氏体低密度钢显微组织和力学性能的影响

任平, 陈兴品, 王存宇, 俞峰, 曹文全

Effects of Pre-Strain and Two-Step Aging on Microstructure and Mechanical Properties of Fe-30Mn-11Al-1.2C Austenitic Low-Density Steel

REN Ping, CHEN Xingpin, WANG Cunyu, YU Feng, CAO Wenquan

图3 固溶态Fe-30Mn-11Al-1.2C样品的EBSD反极图、EBSD相图、κ′碳化物的TEM暗场像和选区电子衍射(SAED)花样

Fig.3 EBSD inverse pole figure map of the rolling direction (a), EBSD phase map (b), dark field TEM image of κ′-carbide (c), and selected area electron diffraction (SAED) pattern of κ′-carbide along [001] γ zone axis (d) of solution state Fe-30Mn-11Al-1.2C steel sample