选区激光熔化René 88DT高温合金的晶粒组织及冶金缺陷调控
刘健1,2, 彭钦1,2, 谢建新1,2(
)
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Grain Structure and Metallurgical Defects Regulation of Selective Laser Melted René 88DT Superalloy
LIU Jian1,2, PENG Qin1,2, XIE Jianxin1,2()
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图5. 采用不同层间扫描转角制备的René 88DT高温合金试样XOZ面沉积道形貌
(a) 0° (b) 67° (c) 90°
Fig.5. Deposition track morphologies in XOZ section fabricated with different scan vector rotations (The dash lines indicate the boundaries of deposition tracks, and arrows indicate the growth directions of cellular dendrites, the same bellow)
