奥氏体基Fe-Mn-Al-C轻质钢的研究进展

丁桦, 张宇, 蔡明晖, 唐正友

Research Progress and Prospects of Austenite-Based Fe-Mn-Al-C Lightweight Steels

DING Hua, ZHANG Yu, CAI Minghui, TANG Zhengyou

图2 Fe-11Mn-10Al-1.25C钢不同温度退火后的XRD谱和显微组织[43]

Fig.2 XRD spectra (a) and micrographs of Fe-11Mn-10Al-1.25C steel after annealing at 1000oC (b), 900oC (c), and 800oC (d)[43] (D—diameter of phase, subscripts γ, α, and GB-κ represent corresponding γ, α phases, and κ phase at grain boun-daries; inset in Fig.1c shows the magnified microstructure)