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Investigation on the thermal expansion behavior of FeCoNi and Fe30Co30Ni30Cr10-xMnx high entropy alloys

hal.structure.identifierDepartment of Materials Science and Engineering
hal.structure.identifierNational Institute for Materials Science [NIMS]
dc.contributor.authorLIN, Chun-Lin
hal.structure.identifierDepartment of Materials Science and Engineering
hal.structure.identifierHigh Entropy Materials Center
dc.contributor.authorLEE, Jhuo-Lun
hal.structure.identifierChina Steel Corporation
dc.contributor.authorKUO, Shih-Ming
hal.structure.identifierChina Steel Corporation
dc.contributor.authorLI, Ming-Yen
hal.structure.identifierNational Institute for Materials Science [NIMS]
dc.contributor.authorGAN, Lu
hal.structure.identifierNational Institute for Materials Science [NIMS]
hal.structure.identifierDepartment of Nanoscience and Nanoengineering
dc.contributor.authorMURAKAMI, Hideyuki
hal.structure.identifierNational Institute for Materials Science [NIMS]
dc.contributor.authorMITANI, Seiji
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGORSSE, Stéphane
hal.structure.identifierDepartment of Materials Science and Engineering
hal.structure.identifierHigh Entropy Materials Center
dc.contributor.authorYEH, An-Chou
dc.date.issued2021-10
dc.identifier.issn0254-0584
dc.description.abstractEnThis work investigates the thermal expansion behaviors of Fe30Co30Ni30Cr10-xMnx High Entropy Alloys (HEAs) (x = 0, 5, 10 at.%) from 400 K to 1200 K. Interestingly, comparing to that of Cantor alloy, a decrease in Cr and Mn in Co–Cr–Fe–Mn–Ni system could significantly decrease the thermal expansion coefficient by 45.2%; Fe30Co30Ni30Cr10-xMnx (x = 0, 5, 10) also showed an abrupt change in thermal expansion behaviors similar to that of Invar alloys. Experimental and theoretical analysis suggest the abrupt change in thermal expansion behaviors of these HEAs were associated with the transition from ferromagnetism to paramagnetism, and these alloys appear to exhibit the dimensional stability of the Invar effect. Since the Invar effect is related to ferromagnetic properties, the amount of Cr and Mn in the HEAs would influence the suppression of thermal expansion due to different intensity of anti-ferromagnetic coupling effect. This research contributes to the understanding of the thermal expansion behaviors of Co–Cr–Fe–Mn–Ni high entropy alloys and the effects of antiferromagnetic elements
dc.language.isoen
dc.publisherElsevier
dc.title.enInvestigation on the thermal expansion behavior of FeCoNi and Fe30Co30Ni30Cr10-xMnx high entropy alloys
dc.typeArticle de revue
dc.identifier.doi10.1016/j.matchemphys.2021.124907
dc.subject.halChimie/Matériaux
bordeaux.journalMaterials Chemistry and Physics
bordeaux.page124907 (9 p.)
bordeaux.volume271
bordeaux.peerReviewedoui
hal.identifierhal-03292841
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03292841v1
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