大尺寸单晶叶片中小角度晶界的形成与演化
谢光(),张少华,郑伟,张功,申健,卢玉章,郝红全,王莉,楼琅洪,张健
Formation and Evolution of Low Angle Grain Boundary in Large-Scale Single Crystal Superalloy Blade
XIE Guang(),ZHANG Shaohua,ZHENG Wei,ZHANG Gong,SHEN Jian,LU Yuzhang,HAO Hongquan,WANG Li,LOU Langhong,ZHANG Jian

图12. 起晶段晶粒生长形貌及晶粒(晶界)标记

Fig.12. Morphology of grain growth in the starter block (a) and marks of grains (grain boundary) (b)