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Epitaxial growth of chromium carbide nanostructures on multiwalled carbon nanotubes (MWCNTs) in MWCNT-copper composites

hal.structure.identifierDepartment of Materials Processing Engineering
dc.contributor.authorCHO, Seungchan
hal.structure.identifierDepartment of Materials Processing Engineering
dc.contributor.authorKIKUCHI, Keiko
hal.structure.identifierDepartment of Materials Processing Engineering
dc.contributor.authorMIYAZAKI, Takamichi
hal.structure.identifierDepartment of Materials Processing Engineering
dc.contributor.authorKAWASAKI, Akira
hal.structure.identifierFukuda Metal Foil & Powder Co., Ltd.,
dc.contributor.authorARAMI, Yoshiro
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorSILVAIN, Jean-François
dc.date.issued2013
dc.identifier.issn1359-6454
dc.description.abstractEnWe have, for the first time, fabricated chromium (Cr) carbide nanostructures on multiwalled carbon nanotubes (MWCNTs) in a MWCNT-copper (Cu) composite by adding small amounts of Cr. A single nanocrystal of carbide was epitaxially grown on the sidewall of chemically treated MWCNTs through the diffusion of solute Cr atoms to defects in the MWCNTs. Carbide has an island-shaped morphology with a maximum size of several hundred nanometers. The phase of the generated Cr carbide nanostructures was mostly Cr7C3, as determined by electron beam diffraction using the nanobeam diffraction mode of a transmission electron microscope. In particular, the Cr carbide nanostructures formed at radially unzipped sites were connected to the outermost wall and some inner walls of the MWCNTs. This is expected to increase the load-bearing capacity of the MWNCTs because the inner walls contribute to the load transfer, which is very effective for improving the mechanical and thermomechanical properties of the composites.
dc.language.isoen
dc.publisherElsevier
dc.subject.enCopper alloys
dc.subject.enCarbon and graphite
dc.subject.enFiber-reinforced composites
dc.subject.enCarbides
dc.subject.enCrystal growth
dc.title.enEpitaxial growth of chromium carbide nanostructures on multiwalled carbon nanotubes (MWCNTs) in MWCNT-copper composites
dc.typeArticle de revue
dc.identifier.doi10.1016/j.actamat.2012.10.022
dc.subject.halChimie/Matériaux
bordeaux.journalActa Materialia
bordeaux.page708-716
bordeaux.volume61
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-00776469
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00776469v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Acta%20Materialia&rft.date=2013&rft.volume=61&rft.issue=2&rft.spage=708-716&rft.epage=708-716&rft.eissn=1359-6454&rft.issn=1359-6454&rft.au=CHO,%20Seungchan&KIKUCHI,%20Keiko&MIYAZAKI,%20Takamichi&KAWASAKI,%20Akira&ARAMI,%20Yoshiro&rft.genre=article


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