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
),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
WANG Tao,WAN Zhipeng(),LI Zhao,LI Peihuan,LI Xinxu,WEI Kang,ZHANG Yong
),LI Zhao,LI Peihuan,LI Xinxu,WEI Kang,ZHANG Yong
图8. GH4720Li合金细晶铸锭不同二阶段均匀化热处理工艺参数下的微观组织
Fig.8. Microstructures of as-cast fine grain ingot of GH4720Li alloy under different two-stage homogenization heat treatment parameters (Insets show the morphologies of eutectic γ+γ' phase and γ' precipitate)(a) TSHT 1 (b) TSHT 2 (c) TSHT 3 (d) TSHT 4 (e) TSHT 5
