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泡沫铝夹层板制备技术研究进展(英文).docx

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泡沫铝夹层板制备技术研究进展(英文) ResearchProgressofPreparationTechnologyforAluminumFoamSandwichPanels Abstract: Aluminumfoamsandwichpanelisanewtypeofstructuralmaterialwithexcellentmechanical,thermalandacousticinsulationproperties.Itsuniquestructureandpropertiesmakeitwidelyusedinaerospace,transportation,construction,marineandotherfields.Thepreparationmethodsofaluminumfoamsandwichpanelmainlyincludeface-to-facediffusionbondingmethod,powdermetallurgymethod,andliquidinfiltrationmethod.Thispaperreviewstheresearchprogressofpreparationtechnologyforaluminumfoamsandwichpanel,comparestheadvantagesanddisadvantagesofvariouspreparationmethodsandsummarizesthecurrentresearchtrendsandchallenges. Keywords:Aluminumfoam,Sandwichpanel,Preparationtechnology Introduction: Withtheincreasingdemandforlightweightandhigh-performancematerials,aluminumfoamsandwichpanelhasattractedmoreandmoreattentionduetoitsuniquestructureandproperties.Thealuminumfoamsandwichpaneliscomposedoftwothinskinsandacorelayerofaluminumfoam,whichhashighspecificstiffnessandstrength,goodthermalandacousticinsulationproperties,andexcellentenergyabsorptioncapacity.Therefore,aluminumfoamsandwichpanelhasbroadapplicationprospectsinaerospace,transportation,construction,marineandotherfields. Inrecentyears,researchershavemadegreatprogressinthepreparationofaluminumfoamsandwichpanels.Inthispaper,thepreparationmethodsofaluminumfoamsandwichpanelarereviewedandtheadvantagesanddisadvantagesofdifferentpreparationmethodsarecompared.Finally,thefutureresearchdirectionsandchallengesofaluminumfoamsandwichpanelareanalyzed. PreparationMethodsofAluminumFoamSandwichPanel: Thepreparationmethodsofaluminumfoamsandwichpanelmainlyincludeface-to-facediffusionbondingmethod,powdermetallurgymethod,andliquidinfiltrationmethod. 1.Face-to-facediffusionbondingmethod: Theface-to-facediffusionbondingmethodistouseahigh-temperatureandhigh-pressuremethodtobondthealuminumfoamcorelayerandthethinskins.Theprocessissimple,thebondstrengthishigh,andthemechanicalpropertiesofthealuminumfoa