籽晶制备及Ti-47Al合金PST晶体取向控制
金浩1,2,贾清1,刘荣华1,线全刚1,崔玉友1,徐东生1,杨锐1()
Seed Preparation and Orientation Control of PST Crystals of Ti-47Al Alloy
JIN Hao1,2,JIA Qing1,LIU Ronghua1,XIAN Quangang1,CUI Yuyou1,XU Dongsheng1,YANG Rui1()

图3. Ti-43Al-3Si合金在180 mm/h生长速率下的纵剖面组织形貌

Fig.3. Microstructures of the Ti-43Al-3Si DS bar solidified at the growth rate of 180 mm/h(a) the perpendicular lamellae (b) dendrites morphology in the quench zone