Evolution of microstructure and physical properties of lead-free Sn–5Sb-Ag rapidly solidified solder alloys

作者: Mohammed A. Amin , Emad M. A. Ahmed , Norah I A Abou Tubaylah

DOI: 10.1007/S00339-021-04539-0

关键词:

摘要: Rapidly solidified (RS) binary Sn–5 wt.% Sb and ternary Sb– x Ag, x = 1, 3 5 solder alloys were prepared in form of ribbons using melt spinning technique (MS). X-ray diffractometer (XRD), scanning electron microscopy (SEM) attached with energy dispersive x-ray (EDX) differential calorimetry (DSC) used to investigate the impacts Ag contents on microstructures properties rapidly alloy. XRD analysis confirmed formation an ultrafine microstructure Ag3Sn intermetallic compound addition a supersaturated solid solution Sn by Ag. Moreover, SEM EDX assigned SnSb as well dissolution β-Sn maximum 20.75 11.7 for Sn-5Sb Sn-5Sb-5Ag ribbons, respectively. The melting point spun was lowered 3.7 °C, 1.7 5.4 °C 2.3 0, 1, containing deduced DSC. exhibit better Vickers hardness due refinements extension solubilities alloying elements.

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