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licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
(a) The XRD patterns and (b) microstructure of alloys form Fe-Al system for various Al content 65.5 at%, 68 at%, 70 at%, 72 at% and 77.5 at%, as casted and annealed at temperature of 1050 °C for 100 h.