Effect of Sb Content on the Microstructure and Mechanical Properties of Eutectic SnPb Solder
Xiuchen Zhao,
Jiahui Chang,
Xuefeng Wu
et al.
Abstract:SnPb solder was widely used in electronic packaging for aerospace devices due to its high reliability. However, its creep resistance is poor and can be improved by adding alloying elements. The effects of Sb content on the microstructure, tensile, and creep properties of eutectic SnPb solder were investigated. Sb addition effectively improved the mechanical properties of the SnPb solder. When Sb content exceeds 1.7 wt.%, SbSn intermetallic compounds (IMCs) occurred. And increasing the Sb content increased the … Show more
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