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Impact of Feedstock Nature on Thermal Conductivity of YSZ Thermal Barrier Coatings Obtained by Plasma Spraying
dc.contributor.author | Carpio Cobo, Pablo | |
dc.contributor.author | Salvador Moya, María Dolores | |
dc.contributor.author | Benavente, Rut | |
dc.contributor.author | Miranda, M. | |
dc.contributor.author | Borrell, A. | |
dc.contributor.author | Sánchez-Vilches, Enrique | |
dc.date.accessioned | 2016-09-19T10:18:25Z | |
dc.date.available | 2016-09-19T10:18:25Z | |
dc.date.issued | 2016-09 | |
dc.identifier.uri | http://hdl.handle.net/10234/162660 | |
dc.description.abstract | Yttria-stabilized zirconia (YSZ) coatings with low thermal conductivity were obtained using three different particle size distributions as starting powder: nano-, submicron- and bimodal submicron/nano-sized particles. On the one hand, these particles were reconstituted into micrometric, spray-dry agglomerates, which were subsequently deposited by means of conventional atmospheric plasma spraying (APS). On the other hand, the starting particles were dispersed in water and the resultant suspensions were deposited by means of suspension plasma spraying (SPS). The coatings were thermally treated to assess their sintering resistance. As-sprayed and thermally treated coatings were then characterized in terms of microstructure (FEG-SEM) and thermal diffusivity (laser flash equipment). The results showed that SPS coatings exhibited extremely low thermal conductivity at low temperature which drastically augmented with increasing temperature. On the other hand, APS coatings also exhibited low thermal conductivities but their values were higher than those of the SPS coatings at the lowest temperature tested while the conductivities hardly varied with temperature. | ca_CA |
dc.description.sponsorShip | This work has been supported by the Spanish Ministry of Economy and Competitiveness (project MAT2015- 67586-C3-R) and Research Promotion Plan of the Universitat Jaume I, action 2.1 (ref. E-2011 – 05) and action 3.1 (ref. PREDOC/2009/10). A. Borrell acknowledges the Spanish Ministry of Economy and Competitiveness for her Juan de la Cierva-Incorporación contract (IJCI- 2014-19839). M. Miranda would like to thank the European Commission (FP7-Marie Curie Intra-European Fellowship, BIOHYMAT). | ca_CA |
dc.format.extent | 5 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Göller Verlag GmbH | ca_CA |
dc.relation.isPartOf | Journal of Ceramic Science and Technology Vol.7, No.3, 3/2016 | ca_CA |
dc.rights | © 2009-2014 Göller Verlag GmbH | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | thermal barrier coatings | ca_CA |
dc.subject | yttria-stabilized zirconia | ca_CA |
dc.subject | microstructure | ca_CA |
dc.subject | thermal conductivity | ca_CA |
dc.subject | atmospheric plasma spraying | ca_CA |
dc.title | Impact of Feedstock Nature on Thermal Conductivity of YSZ Thermal Barrier Coatings Obtained by Plasma Spraying | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.4416/JCST2016-00022 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | http://ceramic-science.com/articles/all-articles.html?article_id=100467 | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion |
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