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4. 籽晶小块体与接料杆的连接

Fig.4. Cylindrical seed section from the Ti-43Al-3Si DS bar solidified at the growth rate of 180 mm/h (a), and connections of the seed section with the holding bar by argon arc welding (b) and mechanical setting (c)