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

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6 CR + A1态Fe-30Mn-11Al-1.2C钢的TEM明场像、κ′碳化物TEM暗场像及κ′碳化物SAED花样

Fig.6 Bright field TEM image of sample CR + A1 (a), dark field TEM image of κ′-carbide (b), and SAED pattern of κ′-carbide along [001] _γ_{zone axis (c)}