A Characterization for the Deformation Behavior of As-Cast P91 Alloy Steel and Utilization in Hot Extrusion Process

Figure 13

Comparisons between predicted and experiment flow stress by the proposed constitutive model under different deformation temperatures at strain rate of 0.01 s⁻¹ (a); 0.05 s⁻¹ (b); 0.1 s⁻¹ (c); 1 s⁻¹ (d).

(a)

(b)

(c)

(d)