Figure 5.

Optical micrographs of microstructures in different states: (a) as-forged state, after deformation at $\dot{\epsilon }$ of 10 s⁻¹ with ε_t of (b) −0.40 and (d) −1.11, after deformation at $\dot{\epsilon }$ of 10⁻³ s⁻¹ with ε_t of (c) −0.40 and (e) −1.11.