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

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3 不同温度轧制的Mg-4Zn-1Mn-1.2Ce合金在400℃退火60 min后的室温力学性能和导热性能

Table 3 Mechanical/thermal properties at room temperature of Mg-4Zn-1Mn-1.2Ce alloy hot-rolled at different temperature and annealed at 400^oC for 60 min

T / ^oC	UTS / MPa	YS / MPa	EL / %	α / mm²·s^-1	λ/ W·(m·K)^-1
350	305±3	164±2	21.8±0.5	72.5±0.6	125.6±1.0
375	328±2	175±3	23.5±0.9	69.2±0.3	118.8±0.5
400	307±2	162±4	20.4±0.6	68.6±0.1	120.1±0.2
425	264±2	139±2	27.1±0.7	67.4±0.1	117.9±0.2