Phase transformation during mechano-synthesis of nanocrystalline/amorphous Fe–32Mn–6Si alloys

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buir.contributor.authorOkyay, Ali Kemal
dc.citation.epage174en_US
dc.citation.spage169en_US
dc.citation.volumeNumber84en_US
dc.contributor.authorAmini, R.en_US
dc.contributor.authorShamsipoor, A.en_US
dc.contributor.authorGhaffari, M.en_US
dc.contributor.authorAlizadeh, M.en_US
dc.contributor.authorOkyay, Ali Kemalen_US
dc.date.accessioned2016-02-08T09:35:45Z
dc.date.available2016-02-08T09:35:45Z
dc.date.issued2013en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractMechano-synthesis of Fe-32Mn-6Si alloy by mechanical alloying of the elemental powder mixtures was evaluated by running the ball milling process under an inert argon gas atmosphere. In order to characterize the as-milled powders, powder sampling was performed at predetermined intervals from 0.5 to 192 h. X-ray florescence analyzer, X-ray diffraction, scanning electron microscope, and high resolution transmission electron microscope were utilized to investigate the chemical composition, structural evolution, morphological changes, and microstructure of the as-milled powders, respectively. According to the results, the nanocrystalline Fe-Mn-Si alloys were completely synthesized after 48 h of milling. Moreover, the formation of a considerable amount of amorphous phase during the milling process was indicated by quantitative X-ray diffraction analysis as well as high resolution transmission electron microscopy image and its selected area diffraction pattern. It was found that the α-to-γ and subsequently the amorphous-to-crystalline (especially martensite) phase transformation occurred by milling development.en_US
dc.identifier.doi10.1016/j.matchar.2013.07.017en_US
dc.identifier.issn1044-5803
dc.identifier.urihttp://hdl.handle.net/11693/20812
dc.language.isoEnglishen_US
dc.publisherElsevieren_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.matchar.2013.07.017en_US
dc.source.titleMaterials Characterizationen_US
dc.subjectFe-Mn-Si shape memory alloysen_US
dc.subjectMechanical alloyingen_US
dc.subjectMicrostructureen_US
dc.subjectNanostructural/amorphous phaseen_US
dc.subjectPhase transformationen_US
dc.subjectArgon gas atmospheresen_US
dc.subjectChemical compositionsen_US
dc.subjectElemental powder mixtureen_US
dc.subjectFe-mn-si shape memory alloysen_US
dc.subjectMorphological changesen_US
dc.subjectNanostructuralen_US
dc.subjectQuantitative x ray diffractionen_US
dc.subjectSelected area diffraction patternsen_US
dc.subjectArgonen_US
dc.subjectBall millingen_US
dc.subjectCerium alloysen_US
dc.subjectHigh resolution transmission electron microscopyen_US
dc.subjectManganeseen_US
dc.subjectMechanical alloyingen_US
dc.subjectMicrostructureen_US
dc.subjectMilling (machining)en_US
dc.subjectNanocrystalline alloysen_US
dc.subjectPhase transitionsen_US
dc.subjectPowdersen_US
dc.subjectScanning electron microscopyen_US
dc.subjectSiliconen_US
dc.subjectSilicon alloysen_US
dc.subjectX ray powder diffractionen_US
dc.subjectIron alloysen_US
dc.titlePhase transformation during mechano-synthesis of nanocrystalline/amorphous Fe–32Mn–6Si alloysen_US
dc.typeArticleen_US

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Department of Electrical and Electronics Engineering
Institute of Materials Science and Nanotechnology (UNAM)