<strong>Mg-4.4Li-2.5Zn-0.46Al-0.74Y</strong>合金高温变形流动应力、组织演变与本构分析

Mg-4.4Li-2.5Zn-0.46Al-0.74Y合金高温变形流动应力、组织演变与本构分析

曹富荣, 丁鑫, 项超, 尚会会

Flow Stress, Microstructural Evolution, and Constitutive Analysis During High-Temperature Deformation in Mg-4.4Li-2.5Zn-0.46Al-0.74Y Alloy

CAO Furong, DING Xin, XIANG Chao, SHANG Huihui

图5 高温拉伸条件下LZAY4301合金的ln $\dot{ε}$ -lnσ、ln $\dot{ε}$ -σ、ln $\dot{ε}$ -ln[sinh(ασ)]和ln[sinh(ασ)]-1 / T关系曲线

Fig.5 Curves of ln $\dot{ε}$ -lnσ (a), ln $\dot{ε}$ -σ (b), ln $\dot{ε}$ -ln[sinh(ασ)] (c), and ln[sinh(ασ)]-1 / T (d) of LZAY4301 alloys under high temperature tensile condition ( $\dot{ε}$ —strain rate, σ—true stress, α—stress multiplier factor, T—absolute temperature; the number adjacent to the regression line indicates specific slope)