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Thermodynamic Assessment of Interaction Relation between Lanthanum and Constituent Elements in Sn-Pb Alloy
引用本文:薛松柏,马鑫,钱乙余. Thermodynamic Assessment of Interaction Relation between Lanthanum and Constituent Elements in Sn-Pb Alloy[J]. 中国稀土学报(英文版), 2001, 0(2)
作者姓名:薛松柏  马鑫  钱乙余
作者单位:1. National Key Laboratory of Welding,Harbin Institute of Technology,Harbin 150001,China; 2. National Key Laboratory of Reliability Physics of Electronic Product,Ministry of Infor
基金项目:ScienceandTechnologyFoundationforMechanicalEngineeringScholars! (97JF0 0 2 2 ),HarbinScienceandTechnologyProject! (99112 11
摘    要:Byaddingtraceamountoflanthanum(0 0 2 4% ) ,themicrostructureoftraditionalSn6 0 Pb40solderalloyishomogenized ,thatis ,thecoarseSn richhalowhichsurroundstheprimaryPb richphaseisdepressedobviously .Asaresult,thehigh temperaturetensilestrengthofSn6 0 Pb40solderalloyincr…


Thermodynamic Assessment of Interaction Relation between Lanthanum and Constituent Elements in Sn-Pb Alloy
XUE Song bai ,MA Xin ,,QIAN Yi yu ,Yoshida F. Thermodynamic Assessment of Interaction Relation between Lanthanum and Constituent Elements in Sn-Pb Alloy[J]. Journal of Rare Earths, 2001, 0(2)
Authors:XUE Song bai   MA Xin     QIAN Yi yu   Yoshida F
Affiliation:XUE Song bai 1,MA Xin 1,2,QIAN Yi yu 1,Yoshida F 3
Abstract:The interaction relation between lanthanum and the constituent elements of Sn Pb alloy system was analyzed by using the thermodynamic models including Miedema formation energy model for binary system, Tanaka modification by excess entropy and the Chou geometric model for ternary system. The thermodynamic calculaton results show that lanthanum has higher affinity for Sn in the Sn Pb system. This is an important foundation for the improvement of the metallurgical properties of Sn Pb solder alloy by adding rare earth elements.
Keywords:rare earths  lanthanum  Sn Pb alloy  interaction  thermodynamic
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