Numerical Simulation of Microstructure Formation and Forecast of Mechanical Properties for Spheroidal Graphite Iron-中国Betway体育网页登陆

摘要 Thenumericalsimulationcanovercomethehardshipofmathematicalanalysisandexperimentalresearch,explicatethemechanismofmicrostructureshaping,predictmechanicalpropertiesandoperatinglifeofcastingsandthenoptimizetechnologyandcontrolmicrostructureformationtoobtainthequalifiedcastings.Thefinitedifferencemethod(FDM)isappliedtothesimulationoftemperaturefieldbasedonallkindsofnucleationandgrowthmodelsonallstagesofsolidificationofspheroidalgraphitecastiron.VisualC++isusedtoprogramthenumericalsimulationsoftware,QTstructure-1tosimulatethesolidificationprocessofspheroidalgraphitecastironandtheformationofallphasesinsolidificationprocess.Finally,theresultofsimulationiswellagreedwiththeexperimentalresult.

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Numerical Simulation of Microstructure Formation and Forecast of Mechanical Properties for Spheroidal Graphite Iron

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