Indian Welding Journal

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A Note on the Spreading Characteristics of Some Tin-Lead Solders on Cast Iron


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1 Materials Research Group, Department of Metallurgy, Indian Institute of Science, Bangalore, India
     

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Spreading characteristics of Sn, Pb and nine Sn-Pb alloys on cast iron (3.2% C) have been evaluated by employing zinc ammonium chloride flux (79 parts of zinc chloride and 21 parts of ammonium chloride) at the liquidus temperatures of the solders. The solder, flux and specimen preparation procedures have been reported elsewhere. The solder-flux interfacial tension has been determined by the method of Chalmers and Wadie and contact angles were measured by an optical method. The spreading coefficients have been computed by using contact angle and interfacial tension values.
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  • A Note on the Spreading Characteristics of Some Tin-Lead Solders on Cast Iron

Abstract Views: 499  |  PDF Views: 4

Authors

K. S. Raman
Materials Research Group, Department of Metallurgy, Indian Institute of Science, Bangalore, India

Abstract


Spreading characteristics of Sn, Pb and nine Sn-Pb alloys on cast iron (3.2% C) have been evaluated by employing zinc ammonium chloride flux (79 parts of zinc chloride and 21 parts of ammonium chloride) at the liquidus temperatures of the solders. The solder, flux and specimen preparation procedures have been reported elsewhere. The solder-flux interfacial tension has been determined by the method of Chalmers and Wadie and contact angles were measured by an optical method. The spreading coefficients have been computed by using contact angle and interfacial tension values.