fig2
![Influence of softening annealing on microstructural heredity and mechanical properties of medium-Mn steel](https://image.oaes.cc/866a8cb7-1ffb-4c28-adaf-69fab618e846/4737.fig.2.jpg)
Figure 2. SEM micrographs of samples subjected to different SA processes: (A) WSA; (B) SA700; and (C) SA550. (D) X-ray diffraction patterns of the samples after different SA processes. α’, martensite; α, ferrite; γ, austenite; θ, cementite. SEM: Scanning electron microscope.