热处理工艺对GH4720Li合金细晶铸锭组织与热加工性能的影响
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Effect of Heat Treatment Parameters on Microstructure and Hot Workability of As-Cast Fine Grain Ingot of GH4720Li Alloy
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图2. GH4720Li合金细晶铸锭R/2处显微组织 |
Fig.2. OM (a) and SEM (b) images of as-cast fine grain ingot of GH4720Li alloy at R/2 region (Insets show the morphology of γ' precipitates in the interdendritic and dendrite regions, R—radius of the as-cast fine grain ingot) |
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