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

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摘要 Inthispaper,theKirchhoffstransformationispopularizedtothenonlinearheatconductionproblemwhichtheheatconductivitycanbeexpressdasamultinomialoftemperaturefirstly,theboundaryconditionofheatconductionproblemisdeterminedbyanalytics.Secondly,theincubationperoidsuperpositionandthelinearcombinationlawisemployedtosimulatethetransientphassestransformationintheprocessofheattreatmentofmaterials.Thatthebegintimeofphasetransformation,thetypeofphasetransformationandtheamountofphaseconstitutionisdeterminedsimply.Finally,thethree-dimensionDualReciprocityBoundaryElementMethodisusedtoanalysisthetotalprocessofvariousheattreatmentofcomponent,theresultsofnumericalcalculationofexamplesshowthatthemethodprovidedinthispaperiseffectivce.
机构地区 不详
出版日期 1993年09月19日(中国期刊网平台首次上网日期,不代表论文的发表时间)