An investigation was carried out to understand the effects of Sn on hardness, wear rate and the coefficient of friction of spinodal Cu-Ni-Sn alloys. Alloys of appropriate compositions were melted in a crucible furnace under argon atmosphere and cast into sand moulds. Solution heat treated and aged specimens were tested for hardness, wear rate and the coefficient of friction. It was found that the hardness increases when the Sn content increases from 4% to 8% in the solution heat treated conditions. The peak aging time is found to decrease with an increase in the Sn content. Further, the coefficient of friction is independent of hardness whereas the wear rate decreases linearly with hardness irrespective of Sn content. © School of Engineering, Taylors University.
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Dr. Ilangovan S. and R. Sellamuthu, “Effects of tin on hardness, wear rate and coefficient of friction of cast Cu-Ni-Sn alloys”, Journal of Engineering Science and Technology, vol. 8, pp. 34-43, 2013.