电子束熔炼功率对GH4068合金微观组织、偏析和 γ′相析出行为的影响

白如圣, 谭毅, 崔弘阳, 宁莉丹, 崔传勇, 王云鹏, 李鹏廷

Effect of Electron Beam Smelting Power on Microstructure, Segregation, and γ′ Phase Precipitation Behavior of GH4068 Alloy

BAI Rusheng, TAN Yi, CUI Hongyang, NING Lidan, CUI Chuanyong, WANG Yunpeng, LI Pengting

图12 不同EBS功率熔炼10 min制备的GH4068合金铸锭中γ′相在枝晶间析出的SEM像

Fig.12 SEM images of precipitation of γ' phase in interdendritic of GH4068 alloy ingots with EBS powers of 10 kW (a), 12 kW (b), 14 kW (c), and 17 kW (d) for 10 min