直流电流对Ti-48Al-2Cr-2Nb合金组织和性能的影响
陈占兴,丁宏升,刘石球,陈瑞润,郭景杰,傅恒志

Effects of Direct Current on Microstructure and Properties of Ti-48Al-2Cr-2Nb Alloy
Zhanxing CHEN,Hongsheng DING,Shiqiu LIU,Ruirun CHEN,Jingjie GUO,Hengzhi FU
图2 直流电流作用下Ti-48Al-2Cr-2Nb组织的OM像
Fig.2 OM images of microstructures of Ti-48Al-2Cr-2Nb alloys solidified without DC (a) and with the DC densities of 32 mA/mm2 (b), 64 mA/mm2 (c) and 96 mA/mm2 (d)