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镁合金薄板异步轧制的数值模拟与实验研究（英文）.docx

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镁合金薄板异步轧制的数值模拟与实验研究（英文） TheNumericalSimulationandExperimentalStudyofAsynchronousRollingofMagnesiumAlloyThinSheets Abstract: Magnesiumalloysarewidelyusedinautomotive,aerospace,andotherindustriesduetotheirexcellentmechanicalproperties.Therollingprocessplaysacrucialroleinproducingmagnesiumalloythinsheets.Byusingacombinationofnumericalsimulationandexperimentalstudy,thispaperinvestigatestheeffectsofasynchronousrollingonthemicrostructureandmechanicalpropertiesofmagnesiumalloythinsheets. 1.Introduction: Magnesiumalloyshavegarneredsignificantattentioninrecentyearsduetotheirhighstrength-to-weightratio,excellentcorrosionresistance,andgoodcastability.Therollingprocessisoneofthecrucialstepsinproducingmagnesiumalloythinsheetswithenhancedmechanicalproperties.Asynchronousrolling,wheretherollingspeedoftheupperandlowerrollersaredifferent,hasbeenproventobeaneffectivemethodforimprovingtheperformanceofmagnesiumalloysheets.Thispaperaimstoexploretheinfluenceofasynchronousrollingonthemicrostructureandmechanicalpropertiesofmagnesiumalloythinsheetsusingbothnumericalsimulationandexperimentalstudy. 2.LiteratureReview: Severalstudieshavebeenconductedontherollingprocessofmagnesiumalloysheets.Karjalainenetal.(2010)investigatedtheinfluenceofrollingspeedontexturedevelopmentandmechanicalpropertiesofAZ31Balloysheets.Chenetal.(2013)studiedtheeffectofrollingparametersonthemicrostructureandtextureevolutionofAZ31alloy.However,thereislimitedresearchfocusingontheasynchronyoftherollingprocessanditsimpactonthepropertiesofmagnesiumalloythinsheets. 3.NumericalSimulation: Tounderstandtheeffectsofasynchronousrolling,afiniteelementmodelwasdevelopedusingDeform-3Dsoftware.Themodelconsideredtheinteractionbetweentherollingprocessandthematerial.Theparameterssuchasrollingspeed,rollingtemperature,andfrictionconditionsweretakenintoconsideration.Themicrostructureevolutionandmechanicalpropertiesofthemagnesiumalloythinsheetswerestudiedusingthefiniteelementsimulation. 4.ExperimentalStudy: Experimentalrollingtestswereconduct