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大厚比AlMgAl层合板轧制工艺与性能研究(英文).docx

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大厚比AlMgAl层合板轧制工艺与性能研究(英文) ResearchontheRollingProcessandPropertiesofHighThicknessRatioAlMgAlCompositePanel Abstract: Inrecentyears,AlMgAlcompositepanelswithhighthicknessratiohaveattractedextensiveattentionduetotheirexcellentmechanicalpropertiesandlightweight.Inthispaper,therollingprocessandpropertiesofhighthicknessratioAlMgAlcompositepanelswereinvestigated.Theresultsshowedthattherollingprocesshadasignificantimpactonthemicrostructure,mechanicalproperties,andcorrosionresistanceoftheAlMgAlcompositepanels.ThemechanicalpropertiesoftheAlMgAlcompositepanelsincreasedwiththedecreaseoftherollingtemperatureandtheincreaseoftherollingreduction.ThecorrosionresistanceoftheAlMgAlcompositepanelsdecreasedwiththeincreaseoftherollingtemperature.ThesefindingsprovideareferenceforthedesignandoptimizationoftherollingprocessofhighthicknessratioAlMgAlcompositepanels. Keywords:AlMgAlcompositepanel,rollingprocess,microstructure,mechanicalproperties,corrosionresistance 1.Introduction AlMgAlcompositepanelsconsistofanaluminumalloysubstrate,amagnesiumcorelayer,andanaluminumalloycoveringlayer.Duetotheuniquesandwichstructure,theyhaveexcellentmechanicalproperties,suchashighbendingstrength,highshearstrength,andoutstandingimpactresistance.Furthermore,theuseofAlMgAlcompositepanelscansignificantlyreducetheweightofstructures,whichisofgreatsignificanceforaerospace,marineengineering,andtransportationindustries.However,thehighthicknessratioofAlMgAlcompositepanelsmakesitdifficulttoachieveuniformdeformationduringtherollingprocess,whichaffectsthemicrostructureandpropertiesofthematerials.Therefore,itisnecessarytoinvestigatetherollingprocessandpropertiesofhighthicknessratioAlMgAlcompositepanels. 2.ExperimentalProcedure TheAlMgAlcompositepanelsusedinthisstudywerefabricatedbythehot-pressingmethod.ThecompositionoftheAlMgAlcompositepanelisshowninTable1.Thecompositepanelhadathicknessof10mm,amagnesiumcorelayerthicknessof6mm,andanaluminumalloycoveringlayerthicknessof2mmonbothsides.Therollingprocesswascarriedoutusingafou