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

表1 不同EBS功率熔炼10 min 制备的GH4068合金铸锭中各元素含量相对于原料的变化量 (mass fraction / %)

Table 1 Amount of variation of each element content relative to the raw material of GH4068 alloy ingots with different EBS powers for 10 min

Power / kW Mo W Co Cr Ti Al Ni 10 0.05 0 0 -0.68 0.06 0.03 - 12 0.09 0 0.06 -1.37 0.22 0.03 - 14 0.10 0 0.11 -1.38 0.24 0.02 - 17 0.15 0.01 -0.09 -1.97 0.39 0.08 -