激光立体成形GH4169合金再结晶过程中的界面和晶体取向演化*
刘奋成, 林鑫, 余小斌, 黄春平, 黄卫东

EVOLUTION OF INTERFACE AND CRYSTAL ORIENTATION OF LASER SOLID FORMED GH4169 SUPERALLOY DURING RECRYSTALLIZATION
LIU Fencheng, LIN Xin, YU Xiaobin, HUANG Chunping, HUANG Weidong
表1 GH4169合金粉末及LSF件的化学成分
Material Cr Fe Ti Al Mo Nb C Ni
Powder 19.7 18.4 1.0 0.6 3.0 5.2 0.03 Bal.
LSF sample 19.6 18.2 1.1 0.5 3.3 5.6 0.05 Bal.
AMS: 5663 17~21 16~20 0.65~1.15 0.2~0.8 2.8~3.3 4.75~5.5 0.08 (Max.) Bal.