异构金属材料及其塑性变形与应变硬化

武晓雷, 朱运田

Heterostructured Metallic Materials: Plastic Deformation and Strain Hardening

WU Xiaolei, ZHU Yuntian

图6 异构的应变硬化率

Fig.6 Normalized strain hardening rate (Θ = ∂σ∂ε) by flow stress (σf) vs true strain (Dash horizontal line: the onset of diffuse necking according to the Considère criterion)