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Thermal conductivity of β-FeSi2/Si endogenous composites formed by the eutectoid decomposition of α-Fe2Si5

hal.structure.identifierMaterials Research Centre
dc.contributor.authorAIL, Ujwala
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGORSSE, Stéphane
hal.structure.identifierMaterials Research Centre
dc.contributor.authorPERUMAL, Suresh
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPRAKASAM, Mythili
hal.structure.identifierMaterials Research Centre
dc.contributor.authorUMARJI, Arun M.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVIVÈS, Solange
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBELLANGER, Philippe
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDECOURT, Rodolphe
dc.date.issued2015
dc.identifier.issn0022-2461
dc.description.abstractEnThermoelectric properties of semiconducting β-FeSi2 containing a homogeneous distribution of Si secondary phase have been studied. The synthesis was carried out using arc melting followed by the densification by uniaxial hot pressing. Endogenous β-FeSi2/Si composites were produced by the eutectoid decomposition of high-temperature α-Fe2Si5 phase. The aging heat treatments have been carried out at various temperatures below the equilibrium eutectoid temperature for various durations in order to tune the size of the eutectoid product. Thermal properties of the samples were studied in the temperature range of 100–350 °C. The microstructural investigations support the fact that the finest microstructure generated through the eutectoid decomposition of the α-Fe2Si5 metastable phase is responsible of the phonon scattering. The results suggest an opportunity to produce bulk iron silicide alloys with reduced thermal conductivity in order to enhance its thermoelectric performance.
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enThermolectrics properties
dc.subject.enInorganic compounds
dc.subject.enIron
dc.subject.enSilcon
dc.title.enThermal conductivity of β-FeSi2/Si endogenous composites formed by the eutectoid decomposition of α-Fe2Si5
dc.typeArticle de revue
dc.identifier.doi10.1007/s10853-015-9225-4
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Materials Science
bordeaux.page6713-6718
bordeaux.volume50
bordeaux.issue20
bordeaux.peerReviewedoui
hal.identifierhal-01180877
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01180877v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Materials%20Science&rft.date=2015&rft.volume=50&rft.issue=20&rft.spage=6713-6718&rft.epage=6713-6718&rft.eissn=0022-2461&rft.issn=0022-2461&rft.au=AIL,%20Ujwala&GORSSE,%20St%C3%A9phane&PERUMAL,%20Suresh&PRAKASAM,%20Mythili&UMARJI,%20Arun%20M.&rft.genre=article


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