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

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 57 Fe 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 Al 2 O 3 resulting in the migration of Al atoms from B2 FeAl lattice.