Chemical aspects of plasma spraying of zirconia-based thermal barrier coatings (Articolo in rivista)

Type
Label
  • Chemical aspects of plasma spraying of zirconia-based thermal barrier coatings (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.actamat.2008.07.006 (literal)
Alternative label
  • G.M. Ingo; T. de Caro (2008)
    Chemical aspects of plasma spraying of zirconia-based thermal barrier coatings
    in Acta materialia; Elsevier Science Ltd., Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G.M. Ingo; T. de Caro (literal)
Pagina inizio
  • 5177 (literal)
Pagina fine
  • 5187 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Il presente lavoro è stato selezionato dal CNR ed inserito negli Highlights 2008-2009 in quanto meritevole di menzione (Highlights CNR 2009-2009, Sezione Materia ed Energia, p. 74) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 56 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 18 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per lo Studio dei Materiali Nanostrutturati, CNR, via Salaria Km 29.3, 00015 Monterotondo, Rome, Italy (literal)
Titolo
  • Chemical aspects of plasma spraying of zirconia-based thermal barrier coatings (literal)
Abstract
  • Zirconia-based thermal barrier coatings (TBCs) of nominal chemical composition 8 wt.% Y2O3-ZrO2 and 25.5 wt.% CeO2-2.5 Y2O3- ZrO2 were prepared by atmospheric plasma spray and low-pressure plasma spray by selecting different deposition parameters. The surface chemical composition has been investigated by X-ray photoelectron spectroscopy in order to study the variation of surface chemical composition induced by the plasma-spraying process as a function of deposition parameters. The results reveal the occurrence of chemical- physical reactions such as stabilizing oxide depletion and enrichment, reduction to lower valence states, impurity segregation phenomena and the formation of new species. The chemical information was confirmed by differential thermal analysis measurements, which indicates that chemical aspects in plasma spraying are relevant and should be considered in designing reliable TBCs for maximum performance in aerospace applications. (literal)
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