Abstract
Abstract Lead is restricted in solder joints because of environmental legislations. In this study, a new ternary solder alloy Sn-0.5Cu-3.5Bi is proposed. Alloys prepared using induction furnace have been analysed for their material properties. Melting temperature lies in the range of 219.5−220.5 °C. Hardness value lies in the range of 20.5–20.8 Hv. Good wetting property have also been obtained. Grain boundaries were attained from the microstructure evaluation. A comparison with SAC305 and SAC405 also shows that the new alloy is having better properties. Sn-0.5Cu-3.5Bi is a new lead free solder alloy for electronic packages subjected to moderately high temperature surroundings.
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