喷射成形<strong>AlSiCuMg</strong>合金的热变形组织演变及再结晶行为

喷射成形AlSiCuMg合金的热变形组织演变及再结晶行为

吴彩虹, 冯迪, 臧千昊, 范诗春, 张豪, 李胤樹

Microstructure Evolution and Recrystallization Behavior During Hot Deformation of Spray Formed AlSiCuMg Alloy

WU Caihong, FENG Di, ZANG Qianhao, FAN Shichun, ZHANG Hao, LEE Yunsoo

图5 Al25Si4Cu1Mg喷射态和不同热压缩条件下的晶粒组织形貌EBSD像

Fig.5 EBSD images of as-sprayed and deformed microstructures under different hot compressed conditions of Al25Si4Cu1Mg alloy (The grain boundaries colored by red indicate the misorientation in the range of 2°-15°. The grain boundaries colored by black indicate the misorientation > 15°)
(a) as-sprayed (b) T_d = 623 K,

\dot{ε}

= 5 s^-1 (c) T_d = 723 K,

\dot{ε}

= 5 s^-1
(d) T_d = 673 K,

\dot{ε}

= 0.05 s^-1 (e) T_d = 723 K,

\dot{ε}

= 0.001 s^-1