Abstract

Influence of Aluminum Addition on the Structural and Physical Properties of Tin- Antimony Alloy

Author(s): Abbas Al-Bawee, Feryal Dawood and Athil Al-Ezzi

The aim of this study is to investigate the effects of adding different ratios of aluminum on the structural, mechanical, electrical and thermal properties of tin-antimony bearing alloy Sn87Sb13. Many experimental techniques were used. The results showed that crystallinity (peak intensity), crystal size (peak broadness) and orientations (peak position, 2θ) of Sn87Sb13alloy changed after adding different proportions of aluminum. Many mechanical and physical properties changed; for example, the hardness and minimum shear stress of the alloy increased while its internal friction dramatically decreased. Furthermore, the addition decreased the melting temperature of the alloy and increased its electrical resistivity. Thus, the properties of the tin-antimony alloy improved after adding the aluminum portions.


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