Mössbauer, XRD, and SEM Study of FeAl-Based Powder Alloys with Nanoinclusions

A. Zaleskia, J. Fedotovaa, A. Ilyuschenkob, T. Talakob, A. Belyaevb, A. Letskob and J. Stanekc aNC PHEP BSU, M. Bogdanovich 153, 220040 Minsk, Belarus bInstitute of Powder Metallurgy, Platonova 41, 220071 Minsk, Belarus cInstitute of Physics, Jagiellonian University Reymonta 4, 30-059 Cracow, Poland

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Received: 2005 20 05;

Peculiarities of phase composition and morphology in nanostructured (Fe70Al30)1-x(Al2O3)x (x=64-80 wt.%) powder alloys prepared by self-propagated high temperature synthesis have been studied by 57Fe transmission Mössbauer spectroscopy, scanning electron microscopy, and X-ray diffraction. It has been established that phase composition of alloys has not been affected by Al2O3 contribution. Contrary, atomic arrangement in B2 FeAl phase depends on the volume fraction of Al2O3 resulting in the migration of Al atoms from B2 FeAl lattice.

DOI: 10.12693/APhysPolA.109.441 PACS numbers: 61.66.Dk, 81.20.Ev, 82.80.Ej