Out-of-plane ordering in quaternary MAX alloys: an alloy theoretic perspective
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© 2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This letter is motivated by an apparent paradox, in that some quaternary systems (particularly in the Ti–Zr–Al–C system) have been shown to exhibit M-site out-of-plane ordering, while prior work and calculations by the present authors suggest endothermic interactions between Zr and Ti. In this letter we provide a resolution to this issue and provide a more extended analysis on the out-of-plane and in-plane ordering in the M sites of quaternary MAX alloys. The results provide further insights to develop criteria to predict potential out-of-plane ordering tendencies in other MAX systems.fx1.
author list (cited authors)
Arróyave, R., Talapatra, A., Duong, T., Son, W., & Radovic, M.