Please use this identifier to cite or link to this item: https://idr.nitk.ac.in/jspui/handle/123456789/10883
Title: Effect of thermal contact heat transfer on solidification of Pb-Sn and Pb-free solders
Authors: Chellaih, T.
Kumar, G.
Prabhu, K.N.
Issue Date: 2007
Citation: Materials and Design, 2007, Vol.28, 3, pp.1006-1011
Abstract: The effect of thermal contact heat transfer on the solidification of spherical droplets of four solder alloys, namely, Sn-37Pb, Sn-9Zn, Sn-0.7Cu and Sn-3.5Ag, was studied using SOLIDCAST simulation package. A significant drop in the arrest time was observed for increase in heat transfer coefficient from 1000 to 2000 W/m2 K. Effect of contact conductance and thermal diffusivity of solder alloys on arrest time is quantified by the power relation, ? = m(?{symbol})n where ? and ?{symbol} are defined as arrest time and heat transfer parameters, respectively. Experiments were also carried out to investigate the effect of cooling rate on solidification behaviour of the solder alloys used in simulation. The results indicated the significant effect of mould material on interfacial heat flux and metallurgical microstructure. 2005 Elsevier Ltd. All rights reserved.
URI: http://idr.nitk.ac.in/jspui/handle/123456789/10883
Appears in Collections:1. Journal Articles

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