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http://hdl.handle.net/10261/219717
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dc.contributor.author | Rivero-Antúnez, P. | - |
dc.contributor.author | Cano-Crespo, Rafael | - |
dc.contributor.author | Esquivias, L. | - |
dc.contributor.author | Rosa-Fox, Nicolás de la | - |
dc.contributor.author | Zamora-Ledesma, C. | - |
dc.contributor.author | Domínguez-Rodríguez, A. | - |
dc.contributor.author | Morales-Flórez, Víctor | - |
dc.date.accessioned | 2020-09-16T11:00:10Z | - |
dc.date.available | 2020-09-16T11:00:10Z | - |
dc.date.issued | 2020 | - |
dc.identifier | doi: 10.1016/j.ceramint.2020.04.285 | - |
dc.identifier | issn: 0272-8842 | - |
dc.identifier.citation | Ceramics International 46: 19723- 19730 (2020) | - |
dc.identifier.uri | http://hdl.handle.net/10261/219717 | - |
dc.description.abstract | Multiwalled carbon nanotubes (MWCNTs) have been widely considered for mechanical reinforcement of ceramic matrix composites. Nevertheless, the efficiency of this reinforcement strategy is under debate due to fabrication issues, such as a good homogenization or the location of the MWCNTs inside the matrix composite. Regarding this, the intragranular location of the MWCNTs has been deemed a crucial feature for optimizing the reinforcement compared to the typical intergranular placement achieved by conventional procedures. Recently, the sol-gel method has been reconsidered, as it promotes the intragranular placement of the MWCNTs. This work presents the mechanical characterization of these composites synthesized by the sol-gel method, where crack-bridging has been revealed as toughening mechanism. Finally, the conventional use of the bibliographical Young's modulus of pure alumina for the estimation of the fracture toughness is discussed, obtaining significant improvements of the fracture toughness when indentation measurements are treated by considering elastic moduli obtained by nanoindentation. | - |
dc.description.sponsorship | AcknowledgementsProject PGC2018-094952-B-100 financed by FEDER/Ministerio deCiencia e Innovación - Agencia Estatal de Investigaciónand project P12-FQM-1079 fromJunta de Andalucíaand funding support to FQM393fromJunta de Andalucíaare acknowledged. V. M-F. thanks the grantfromV Plan Propio de Investigación de la Universidad de Sevilla. P. R-AacknowledgeEuropeanSocialFund,EmpleoJuvenilEuropeanPlanandproject PGC2018-094952-B-I00 from FEDER/Ministerio de Ciencia eInnovación-AgenciaEstataldeInvestigación.ThehelpfromthetechnicalstafffromtheCITIUSisacknowledged.TheauthorswouldliketothanktheworkbytheNationalInstitutesofHealth,USAforthedevelopmentof theImageJhttps://imagej.nih.gov/ij/software. Comercial QuímicaMassó is also acknowledged for supplying the boehmite precursorNyacol® | - |
dc.language | eng | - |
dc.publisher | Pergamon Press | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-094952-B-100 | - |
dc.relation.isversionof | Postprint | - |
dc.rights | openAccess | en_EN |
dc.subject | α-Al2O3 | - |
dc.subject | MWCNTs | - |
dc.subject | Intragranular reinforcement | - |
dc.subject | Fracture | - |
dc.subject | Toughness | - |
dc.subject | Crack bridging | - |
dc.title | Mechanical characterization of sol-gel alumina-based ceramics with intragranular reinforcement of multiwalled carbon nanotubes | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/j.ceramint.2020.04.285 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.ceramint.2020.04.285 | - |
dc.embargo.terms | 2022-05-04 | - |
dc.date.updated | 2020-09-16T11:00:10Z | - |
dc.contributor.funder | Ministerio de Ciencia, Innovación y Universidades (España) | - |
dc.contributor.funder | Agencia Estatal de Investigación (España) | - |
dc.contributor.funder | Junta de Andalucía | - |
dc.contributor.funder | Universidad de Sevilla | - |
dc.contributor.funder | National Institutes of Health (US) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/100009042 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100011033 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/100000002 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100011011 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
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Manuscript_CerInter_REV_4.0_Clean_Version.pdf | 985,69 kB | Adobe PDF | Visualizar/Abrir |
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