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Huadong sintering model about expansion and shrinkage
作者姓名:丁华东
作者单位:Department of Materials Science and Engineering,Armored Force Engineering Institute,PLA,Beijing 100072,P.R.China
基金项目:Project (99JS37.7.1.JB35 0 2 )supportedbytheNationalKeyLaboratoryFundofVehicularTransmission
摘    要:1 INTRODUCTIONThesinteringprocessofpowdermetallurgyissocomplexthatithastobeinvestigatedbymodelmethod .Generally ,theinvestigationconsistsoftwoparts,thermodynamicanalysisanddynamicdiscus sion .Theformeristodeterminewhetherornottheparticlescanbesinteredwhi…


Huadong sintering model about expansion and shrinkage
DING Hua,dong.Huadong sintering model about expansion and shrinkage[J].Transactions of Nonferrous Metals Society of China,2001(1).
Authors:DING Hua  dong
Abstract:The whole sintering course from the beginning of heating to the end of heat preservation stage was studied by taking into account the influence of pressing. It was found that there exist expanding mechanism and shrinking mechanism in the sintering process, and the expanding mechanism is always acting before the shrinking mechanism. Whether the sintering body shrinks or expands depends on the interaction between the two mechanisms. And according to this, the Huadong sintering model in account of expansion and shrinkage mechanism was given.
Keywords:powder metallurgy  sintering model  sintering mechanism  expanding mechanism  shrinking mechanism
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