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A Mössbauer Study of Tin-Based Intermetallics Formed During the Manufacture of Dispersion-Strengthened Composite Solders

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Abstract

Mössbauer spectroscopy was used to characterize dispersion-strengthened composite solder powders that were formed through hot gas spray atomization. To perform quantitative measurements, we first measured the relative recoilless fractions of eutectic solder and three intermetallic compounds: Cu3Sn, Cu6Sn5, and Ni3Sn4. These results were then used to determine the concentrations of intermetallic species present in various composite solder samples. Mössbauer spectroscopy was shown to be an effective tool in the analysis of dispersion-strengthened composite solders and was preferentially sensitive to the presence of tin-based intermetallics and oxides.

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Reno, R.C., Panunto, M.J. & Piekarski, B.H. A Mössbauer Study of Tin-Based Intermetallics Formed During the Manufacture of Dispersion-Strengthened Composite Solders. J. Electron. Mater. 26, 11–15 (1997). https://doi.org/10.1007/s11664-997-0125-5

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  • DOI: https://doi.org/10.1007/s11664-997-0125-5

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