Mechanistic inferences on the synthesis of Co50Fe50 solid solution by mechanical alloying

An equiatomic Co-Fe solid solution was synthesized by mechanical processing. A dissolution process of Co in Fe was observed. Its kinetic characterization permitted a reliable estimate of the number of Co atoms dissolved in collision events. This number was then compared with the corresponding quanti...

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Bibliographic Details
Published in:Scripta materialia 2007-11, Vol.57 (10), p.964-967
Main Authors: Garroni, S., Delogu, F., Mulas, G., Cocco, G.
Format: Article
Language:English
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Summary:An equiatomic Co-Fe solid solution was synthesized by mechanical processing. A dissolution process of Co in Fe was observed. Its kinetic characterization permitted a reliable estimate of the number of Co atoms dissolved in collision events. This number was then compared with the corresponding quantity observed in Co-Fe diffusion couples under thermal activation conditions. The data support a mechanistic hypothesis for mechanochemical transformations alternative to the ones based on thermal diffusion.
ISSN:1359-6462
DOI:10.1016/j.scriptamat.2007.07.010