Paper Title:
Effect of the Content of Sn on Microstructure and Mechanical Properties of Bi5Sb Solder Alloy
  Abstract

By alloying principle, a novel quaternary high-temperature lead-free solder was formed by adding trace Sn into Bi5Sb2Cu. The influences of trace Sn on the microstructure and mechanical properties of the novel solder alloy were systematically investigated. Results show that the new phases â-SnSb and mesh Sb2Sn3 are formed and dispersed in the novel solder, whose dispersion strengthening make the tensile strength and shear strength of the new solder alloy increase. When Sn is less than 8 wt%, the tensile strength and the shear strength of the new solder increase with the increasing of content of Sn. When Sn is 8wt%, the tensile strength and shear strength is respectively 52.79MPa and 17.00MPa, which is respectively improved about 90.6% and 64 wt.% compared to the matrix solder. When Sn is 10wt.%, the mechanical properties of the solder take a decrease trend, but they are still better than those of the matrix solder.

  Info
Periodical
Edited by
Shengyi Li, Yingchun Liu, Rongbo Zhu, Hongguang Li, Wensi Ding
Pages
774-779
DOI
10.4028/www.scientific.net/AMM.34-35.774
Citation
K. Tang, Y. F. Yan, K. L. Zhao, Y. Y. Sheng, L. F. Feng, "Effect of the Content of Sn on Microstructure and Mechanical Properties of Bi5Sb Solder Alloy", Applied Mechanics and Materials, Vols. 34-35, pp. 774-779, 2010
Online since
October 2010
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