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2 LZAY4301合金高温变形前的显微组织

Fig.2 Microstructures of as-cast (a), MDF 1st pass (b), MDF 3rd pass (c), MDF 6th pass (d), cold-rolled along longitudinal direction (e), and annealed and held at 523 K for 1.25 h (f) in LZAY4301 alloy before high-temperature deformation (MDF—multi-directional forging, DRX—dynamic recrystallization)