Numerical Simulation of Solidification Microstructure and Effects of Phase-field Parameters on Grain Growth Morphologies-中国期刊网

摘要 Byasimplephasefieldmodel,aseriesofnumericalsimulationsofsolidificationmicrostructurewasperformedtoshowarichvarietyofdendriticpatterns.Atthesametime,therelationbetweenthemorphologyofgraingrowthandsomeparametersincludingthestrengthofanisotropy,dimensionlesslatentheatandthesizeofinitialsolidzonewasstudied.Itisforthefirsttimethatpatternsofgraingrowthwereassociatedwiththesizeofinitialsolidzone,whichisaninterestingissue.Thepossiblereasonforthismaybethatvariationinthesizeofinitialsolidzonemaybringaboutfluctuationoftheinterfaceenergy,makingtheinterfaceunstable.

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Numerical Simulation of Solidification Microstructure and Effects of Phase-field Parameters on Grain Growth Morphologies

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Numerical Simulation of Solidification Microstructure and Effects of Phase-field Parameters on Grain Growth Morphologies

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