Fabrication and soft magnetic properties of rapidly quenched Co-Fe-B-Si-Nb ultra-thin amorphous ribbons

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dc.check.date2021-03-20
dc.check.infoAccess to this article is restricted until 24 months after publication by request of the publisher.en
dc.contributor.authorMasood, Ansar
dc.contributor.authorBaghbaderani, Hasan Ahmadian
dc.contributor.authorStröm, Valter
dc.contributor.authorStamenov, Plamen
dc.contributor.authorMcCloskey, Paul
dc.contributor.authorÓ Mathúna, S. Cian
dc.contributor.authorKulkarni, Santosh
dc.contributor.funderCollaborative Centre for Applied Nanotechnologyen
dc.contributor.funderEnterprise Irelanden
dc.date.accessioned2019-05-14T14:34:33Z
dc.date.available2019-05-14T14:34:33Z
dc.date.issued2019-03-20
dc.date.updated2019-05-09T11:29:47Z
dc.description.abstractUltra-thin soft magnetic amorphous ribbons of Co-Fe-B-Si-Nb alloy were synthesised by a single step rapid-quenching approach to acquire advantage of improved material performance and lower costs over commercial amorphous alloys. The amorphous ribbons of approximately 5.5 µm thicknesses were quenched by a single roller melt spinner in a single-step production process and characterised for their structural and magnetic properties. The disordered atomic structure of amorphous ribbons was confirmed by the X-ray diffraction. A surface morphology study revealed the continuity of ultra-thin ribbons without pores over a large scale. The amorphous alloy showed the ultra-soft magnetic properties in the as-quenched state. The observed thickness dependency of the magnetic properties was attributed to the increased surface roughness and possibly due to a lack of densely packed atomic structure resulting from the extremely high cooling rates experienced by ultra-thin ribbons. We propose that in-situ thinning process of amorphous ribbons significantly reduces the basic material cost and eliminates the need for post-processing steps; hence it provides the opportunity for mass production of high-performance soft magnetic amorphous ribbons at relatively lower costs.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMasood, A., Baghbaderani, H. A., Ström, V., Stamenov, P., McCloskey, P., Ó Mathúna, C. and Kulkarni, S. (2019) 'Fabrication and soft magnetic properties of rapidly quenched Co-Fe-B-Si-Nb ultra-thin amorphous ribbons', Journal of Magnetism and Magnetic Materials, 483, pp. 54-58. doi: 10.1016/j.jmmm.2019.03.079en
dc.identifier.doi10.1016/j.jmmm.2019.03.079en
dc.identifier.endpage58en
dc.identifier.issn0304-8853
dc.identifier.journaltitleJournal of Magnetism and Magnetic Materialsen
dc.identifier.startpage54en
dc.identifier.urihttps://hdl.handle.net/10468/7902
dc.identifier.volume483en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S0304885318328014
dc.rights© 2019 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 licenseen
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectAmorphous metalsen
dc.subjectUltra-thin ribbonsen
dc.subjectSoft-magnetic propertiesen
dc.subjectHigh-frequency applicationsen
dc.titleFabrication and soft magnetic properties of rapidly quenched Co-Fe-B-Si-Nb ultra-thin amorphous ribbonsen
dc.typeArticle (peer-reviewed)en
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