Mg-3Zn-2Gd合金轧制态和退火态的组织与力学性能*

戚文军, 冯晓伟, 刘汪涵博, 黎小辉

Microstructure and Mechanical Properties of Rolled-and Annealed-Mg-3Zn-2Gd Alloy

QI Wenjun, FENG Xiaowei, LIU Wanghanbo, LI Xiaohui

表1 Mg-3Zn-2Gd合金挤压板材分别经轧制和退火后的力学性能

Table 1 Tensile mechanical properties of Mg-3Zn-2Gd alloy extrusion sheets after rolling and annealing, respectively

Strain/% Condition σ b /MPa σ 0.2 /MPa δ /% 0 extrusion sheet 255 215 11.0 23.3 rolling 270 230 16.0 annealing 270 230 18.5 33 rolling 300 295 13.0 annealing 260 220 17.5 67 rolling 305 300 7.5 annealing 265 235 19.0