脉冲电流作用下TiAl合金凝固组织演变及形成机理
陈占兴,丁宏升(
),陈瑞润,郭景杰,傅恒志
),陈瑞润,郭景杰,傅恒志
Microstructural Evolution and Mechanism of Solidified TiAl Alloy Applied Electric Current Pulse
Zhanxing CHEN,Hongsheng DING(),Ruirun CHEN,Jingjie GUO,Hengzhi FU
),Ruirun CHEN,Jingjie GUO,Hengzhi FU
图3. 脉冲电流作用下Ti-48Al-2Cr-2Nb合金的凝固组织
Fig.3. Microstructures of solidified Ti-48Al-2Cr-2Nb alloy with electric current pulse(a) no current (b) 32 mA/mm2, 100 Hz (c) 64 mA/mm2, 100 Hz(d) 96 mA/mm2, 100 Hz (e) 64 mA/mm2, 50 Hz (f) 64 mA/mm2, 200 Hz
