添加稀土Dy对Cu50Zr46Al4合金的非晶形成能力和力学性能的影响

李冬梅, 谭力铭, 赵晴, 谢晗晞, 余鹏, 夏雷

Effect of Dy Addition on Glass-forming Ability and Mechanical Properties of Cu50Zr46Al4 Bulk Metallic Alloy

LI Dongmei, TAN Liming, ZHAO Qing, XIE Hanxi, YU Peng, XIA Lei

表2 直径为1.5 mm的Cu50-xZr46Al4Dyx(x=0~4)BMG样品的热学参数

Table 2 Thermal parameters of Cu50-xZr46Al4Dyx(x=0~4) BMG with a diameter of 1.5 mm

Specimen Tg/K Tx/K Tm/K △Tx/K γ Cu50Zr46Al4 698.5 753.7 995.6 55.2 0.445 Cu49Zr46Al4Dy1 693.4 755.6 988.5 62.2 0.449 Cu48Zr46Al4Dy2 685.3 753.5 993.4 68.2 0.449 Cu47Zr46Al4Dy3 683.1 747.1 996.6 64.0 0.445