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

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6 温度梯度(G)和凝固速率(R)随凝固时间的变化曲线及 $G / \sqrt[]{R}$ 和合金成分(ω₀)对合金晶粒生长形貌的影响

Fig.6 Curves of temperature gradient (G) and solidification rate (R) versus solidification time (a), and effect of $G / \sqrt[]{R}$ and composition (ω₀) on grain growth morphology of alloy (b)