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(
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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()
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图6. Ti-47Al PST晶体纵剖面组织形貌
Fig.6. Ti-47Al PST crystals grown from the ultimate seed(a) macrostructure of the longitudinal section(b~g) microstructures of the seed after seeding process (b), the transition region (c), the stray grains in the transition region (d, e), the main body (f) and γ phase near the quench zone (g) corresponding to the boxes in Fig.6a
