Research Article

Effect of Isothermal Treatment on Microstructure and Mechanical Properties of Cold-Deformed IF Steel

Figure 1

Scanning electron micrographs (SEM images) showing the effect of recrystallisation treatment at 780°C on the microstructural evolution of cold-rolled IF steel at different times. (a) 0 s, (b) 60 s, (c) 120 s, (d) 180 s, (e) 240 s, (f) 300 s, (g) 360 s, and (h) 420 s.