Formation stages of bcc (Fe44Co44)Sn-12 extended solid solution by mechanical alloying

abstract

The synthesis of supersaturated bcc Fe44Co44Sn12 by mechanical alloying was followed by various techniques. Two stannides, CoSn5 and FeSn2 form first at interfaces. Tetragonal CoSn5, a very recently discovered stannide, is obtained here by a simple method. These stannides then dissolve and the ternary bcc alloy forms with a progressive and simultaneous dissolution of Co and Sn into bcc Fe. (C) 2013 Elsevier B.V. All rights reserved.

keywords

MAGNETIC-PROPERTIES; SN SYSTEM; MOSSBAUER; CO; MECHANOSYNTHESIS; FECO

subject category

Chemistry; Materials Science; Metallurgy & Metallurgical Engineering

authors

Loureiro, JM; Costa, BFO; Malaman, B; Le Caer, G; Das, S; Amaral, VS

our authors

acknowledgements

The financial support of the bilateral Portuguese-French program FCT-CNRS, that of J.M. Loureiro (FCT, Grant SFRH/BD/44130/ 2008) and the FO/COMPETE PEst-C/FIS/UI0036/2011 project are gratefully acknowledged.

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