Experimental Investigation of the Natural and Forced Convection on Solidification of Sn-3wt.%Pb Alloy Using a Benchmark Experiment

作     者：L.Hachani R.Boussaa B.Saadi X-D.Wang K.Zaidat A.Belgacem Bouzida D.Henry V.Botton H.Ben Hadid Y.Fautrelle 

作者机构：Grenoble Institute of TechnologySIMAP-EPM LaboratoryPHELMA BP75 38402 Saint Martin d'Hères CedexFrance Laboratory of MechanicsUniversity Amar Telidji of LaghouatAlgeria University Hadj Lakhdar of BatnaAlgeria LMFAEcole Centrale de Lyon 36 avenue Guy de Collongue69134 Ecully CedexFrance GUCAS 

出 版 物：《Journal of Iron and Steel Research International》 (钢铁研究学报(英文版))

年 卷 期：2012年第19卷第S1期

页      面：286-290页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Item Sponsored by European Space Agency through the CETSOL project (ESA-MAP AO-99-117) as well as the SMACS ANR project 

主　　题：In Sn Pb Alloy Using a Benchmark Experiment Experimental Investigation of the Natural and Forced Convection on Solidification of Sn-3wt 

摘      要：We deal with the development of a solidification benchmark experiment in order to investigate the structure formation as well as solute macro-mesosegregation,by means of a well-controlled solidification *** experiment consists in solidifying a rectangular ingot of Sn-3wt.%Pb alloy,by using two lateral heat exchangers which allow extraction of the heat flux from one or two vertical sides of the *** domain is a quasi two dimensional parallepipedic ingot(100×60×10)*** temperature difference AT between the two lateral sides is 40 K and the cooling rate CR=0.03 K/*** instrumentation consists in recording the instantaneous temperature maps by means of an array of 50 thermocouples in order to provide the time evolution of the *** each experiment the patterns of the segregations have been obtained by X-ray radiograph and confirmed by eutectic fraction *** local solute distribution determined by means of induction coupled plasma analysis is *** originality of the present study is to examine the effect of the forced convection driven by a travelling magnetic field(TMF)induced by a linear inductor located on the bottom part of the sample.A periodically reversed stirring with a modulation frequency equal to 0.5 Hz stirring have been *** study allows us to evaluate the evolution due to the forced convection induced by a TMF field,as well as its influence on the initial conditions,the solidification macrostructure and the segregation *** of the velocity field by ultrasonic Doppler velocimetry(UDV)method in a Ga-In-Sn pool were performed and transposed to the tin-lead alloy case before ***-mortem patterns of the macromesosegregations have been obtained by X-ray *** results show the transport effects of the flow on both the maerosegregations and the channel *** reversal of the TMF produces a decrease of the level of mesosegregations,namely channel formation