挤压温度对Al-Zn-Mg合金力学性能的影响*
邓运来, 王亚风, 林化强, 叶凌英, 刘胜胆, 谭谦, 张新明

Effect of Extrusion Temperature on Strength and Fracture Toughness of an Al-Zn-Mg Alloy
DENG Yunlai, WANG Yafeng, LIN Huaqiang, YE Lingying, LIU Shengdan, TAN Qian, ZHANG Xinming
表2 Al-Zn-Mg合金力学性能
Table 2 Mechanical properties of Al-Zn-Mg alloy
T/℃ σb/MPa σ0.2/MPa δ/% UIE/Nmm-1
440-450 SL 332 265 10.6 250
CL 346 280 8.6 229
480-490 SL 356 300 9.7 228
CL 371 314 9.1 204