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4 523~623 K不同应变速率下LZAY4301合金标距部位的OM像

Fig.4 OM images of gauge section in LZAY4301 alloy after high-temperature deformation at temperatures of 523 K (a1-a4), 573 K (b1-b4), and 623 K (c1-c4), and strain rates of 1.67 × 10-2 s-1 (a1-c1), 1.67 × 10-3 s-1 (a2-c2), 5.00 × 10-4 s-1 (a3-c3), and 1.67 × 10-4 s-1 (a4-c4)