THE NUMERICAL METHOD FOR ANALYSING THE TRANSIENT TEMPERATURE FIELD AND TRANSIENT PHASE TRANSFORMATION OF METAL MATERIALS IN HEAT TREATING-中国Betway体育网页登陆

摘要 Inthispaper,theKirchhoffstransformationispopularizedtothenonlinearheatconductionproblemwhichtheheatconductivitycanbeexpressdasamultinomialoftemperaturefirstly,theboundaryconditionofheatconductionproblemisdeterminedbyanalytics.Secondly,theincubationperoidsuperpositionandthelinearcombinationlawisemployedtosimulatethetransientphassestransformationintheprocessofheattreatmentofmaterials.Thatthebegintimeofphasetransformation,thetypeofphasetransformationandtheamountofphaseconstitutionisdeterminedsimply.Finally,thethree-dimensionDualReciprocityBoundaryElementMethodisusedtoanalysisthetotalprocessofvariousheattreatmentofcomponent,theresultsofnumericalcalculationofexamplesshowthatthemethodprovidedinthispaperiseffectivce.

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THE NUMERICAL METHOD FOR ANALYSING THE TRANSIENT TEMPERATURE FIELD AND TRANSIENT PHASE TRANSFORMATION OF METAL MATERIALS IN HEAT TREATING

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