Abstract
Elemental Fe and Sn powders in the ratio of 1:2 were ball-milled for various times at room temperature, and phase transformations in the powders were studied by 57Fe and 119Sn Mössbauer spectrometries, transmission electron microscopy, and x-ray diffractometry. Although Fe-Sn alloys are not obvious candidates for solid-state amorphization reactions, an amorphous phase formed after only a few hours of ball milling. Nanocrystalline intermetallic FeSn2 particles nucleated and grew within the amorphous phase, and FeSn2 became the major phase after 10–20 h of ball milling. These small particles were superparamagnetic, and were above the blocking temperature at room temperature.
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Le Caër, G., Matteazzi, P. & Fultz, B. A microstructural study of mechanical alloying of Fe and Sn powders. Journal of Materials Research 7, 1387–1395 (1992). https://doi.org/10.1557/JMR.1992.1387
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DOI: https://doi.org/10.1557/JMR.1992.1387