轧制温度对Mg-4Zn-1Mn-1.2Ce合金板材微观组织及力学/导热性能的影响

崔捷, 李旭东, 杜宪, 李淑波, 杜文博

Effect of Rolling Temperature on Microstructure Evolution and Mechanical/Thermal Properties of Mg-4Zn-1Mn-1.2Ce Alloy Sheet

CUI Jie, LI Xudong, DU Xian, LI Shubo, DU Wenbo

表2 不同温度轧制的Mg-4Zn-1Mn-1.2Ce合金的室温力学性能和导热性能

Table 2 Mechanical and thermal properties at room temperature of Mg-4Zn-1Mn-1.2Ce alloy hot rolled at different temperature

T / oC UTS / MPa YS / MPa EL / % α / mm2·s-1 λ/ W·(m·K)-1 350 369±2 348±3 5.8±0.2 73.8±1.1 129.5±1.9 375 384±3 356±2 4.8±0.5 73.0±0.1 127.3±0.2 400 368±2 335±2 6.2±0.4 71.6±0.1 127.3±0.2 425 325±3 212±5 10.9±1.2 70.5±0.6 123.9±1.0