热处理工艺对GH4720Li合金细晶铸锭组织与热加工性能的影响
王涛,万志鹏,李钊,李佩桓,李鑫旭,韦康,张勇

Effect of Heat Treatment Parameters on Microstructure and Hot Workability of As-Cast Fine Grain Ingot of GH4720Li Alloy
Tao WANG,Zhipeng WAN,Zhao LI,Peihuan LI,Xinxu LI,Kang WEI,Yong ZHANG
表3 初始GH4720Li细晶铸锭R/2处枝晶干与枝晶间元素偏析情况分析
Table 3 Element segregation analyses of initial as-cast fine grain ingot of GH4720Li alloy at R/2 between dendrite core and interdendritic regions

Element

Mass fraction / %

Segregation coefficient (K)

InterdendriticDendrite core
Al2.472.181.133
Ti12.134.672.597
Cr8.4016.84-2.005
Co11.5914.95-1.290
Ni63.1356.431.119
Mo1.833.06-1.672
W0.461.86-4.043