Effect of Microelements on Sn-20Bi Solder

Abstract:

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Adding microelements Ag In Ga and Sb into Sn-20Bi solder, the changes of melting properties and microstructures of the solder were observed. The experimental result showed that when the content of Ag was 0.7% (wt%), In was 0.1% , Ga was 0.5% and Sb was 0.5%, the melting points of the solder reduced to the bottom and the segregation of Bi obviously decreased. Sb was not suitable to add solely but when it was added together with Ag In and Ga, it can produce a good effect on reinforcement of solid solution, furthermore it can restrain the phase change of Sn. The Sn-Bi-X solder with the best compositions of Ag In Ga and Sb has a near melting point to Sn-37Pb. The solder is close to practicality without segregation of Bi.

Info:

Periodical:

Advanced Materials Research (Volumes 335-336)

Edited by:

Yun-Hae Kim, Prasad Yarlagadda, Xiaodong Zhang and Zhijiu Ai

Pages:

207-211

DOI:

10.4028/www.scientific.net/AMR.335-336.207

Citation:

Y. S. Li et al., "Effect of Microelements on Sn-20Bi Solder", Advanced Materials Research, Vols. 335-336, pp. 207-211, 2011

Online since:

September 2011

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Price:

$35.00

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