铝合金车轮的铸造过程模拟与工艺优化

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1、江苏大学硕士学位论文ABSTRACTCastingprocesssimulationis也ecrossscienceonmatedalsscience，inf-omationscience，computergraphicsscienceandm锄yomerdisciplines，Whichis也eimport锄tresearchmeⅡlodtosolVepracticalpmbl锄sinmaterialsscience．Int11ispaper，aimingatmeinVerses01Vingproblemsofmeinte血ceheat仃ansfercoe珩cientbetw

2、eenmem01darIdttlec蹈ting，CastoPTso脚areisdeVelopedind印endently．TheProCASTsoR、Ⅳareisemployedtosimulateme611ingprocessands01idificationprocessofthec弱tingprocess，coInbinedwi也。曲ogonalexperinlentdesignandt11eideaofmultidisciplina巧designoptiInization，optimizingthecastingprocessofalllIninumalloy、Ⅳhee

3、lusedinmotorcycle，inordertoeHminatecastingdefects龇1dimproVeyieldandshortenthepmductdeVelopmentcycle锄dreducecosts．Themainresearch11esultsareasf-ollows：1)InordertodecreasecomputationandimproVecomputational蕊ciency，3D丘niteel锄entmodelofa】【is妒衄∞tricisestablishedbyMeshCAST．2DmoduleonProCASTso脚are，w

4、hichisllsedtostudymef妇ctionofinVersemoduleonPmCASTsoft、vare．At也esametime，tllei11versemoduleofCastoPTisin仃oduced，whichismeselfpro伊am】nljngs0脚are．Thes01vingeffectofsolvingtlleinterfaceheat仃a珊fercoe珩cientbetv旧en也edieandmecastingiscomparedandVali妇d也rou曲asetofVirtIlalexperiments．1'heresultsindica

5、tethatthe硫血ceheat仃a11sfercoe伍cient吐latobtamdbymeinVersemo眦eofCastoPTaremoreacc嘲temantlleinversemodllleofProCAST．2)Thegeomc酊modelofmec嬲tingandeachmouldaremeshedbyVisual-Mesh，ob蛐gtllereasonabledens时finiteelementmeshmodel锄dimprovingthecomputationale伍ciency．ThepollringtemperatIlreandt11einitialt

6、eⅡlperatureforeachmoldareoptil面zedbyⅡ1ememodoforthogonaldesign．Theinfluencen．endoffollrtemperaturefactorsont11esh血ll【agedefectsproducedinwheelc嬲tingsarestudiedaswell．Thesimulationresultsshowtllat，intllecaseof0ttlerconditionsunchanged，whenthepo嘶ngtemperatIlreis7l0℃，metemperatureoftlle叩perdiei

7、s420℃，ⅡletemperatureoftIlelowerdieis360℃，thetemperatⅢeofthesidemoldis370℃，恤妇nkagedefectswtlichresultedin龇Wheelisminimal．3)InordertoachieVe也emultidiscipliIlarydesignop缸izationofprocessautomation，ⅡleTIT铝合金车轮的铸造过程模拟及工艺优化secondarydeVelopmenttechniqueof