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Effect of cooling rate on magnetoelasticity and short-range order in Fe-Ga alloys

TitleEffect of cooling rate on magnetoelasticity and short-range order in Fe-Ga alloys
Publication TypeJournal Article
Year of Publication2011
AuthorsXing Q, Lograsso TA
Journal TitleScripta Materialia
Volume65
Pages359-362
Date Published08
ISBN Number1359-6462
Accession NumberWOS:000292445600022
Abstract

For Fe-Ga single crystals, faster cooling rates achieved by metallic quench and ice-water quench extended the tetragonal magnetostriction constant, (3/2) lambda(100), to higher Ga contents than reported previously. The maximum magnetostriction measured was 420 ppm at a composition of 21.4 at.% Ga. Using these faster cooling rates, the formation of short-range order (SRO) was obviously suppressed in A2 single phase, while this change in SRO did not significantly affect (3/2) (lambda 100). (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
DOI10.1016/j.scriptamat.2011.05.010