短程有序对高层错能Cu-Mn合金拉-拉疲劳变形行为及损伤机制的影响

韩冬, 张炎杰, 李小武

Effect of Short-Range Ordering on the Tension-Tension Fatigue Deformation Behavior and Damage Mechanisms of Cu-Mn Alloys with High Stacking Fault Energies

HAN Dong, ZHANG Yanjie, LI Xiaowu

表2 不同Mn含量Cu-Mn合金的室温力学性能[16]

Table 2 Mechanical properties of Cu-Mn alloys with different Mn contents at room temperature[16]

Alloy Rm / MPa Rp0.2 / MPa δt / % δu / % Cu-5%Mn 285 79 55.2 46.5 Cu-10%Mn 320 95 56.2 48.5 Cu-15%Mn 338 107 56.9 48.7 Cu-20%Mn 365 115 56.9 52.5