XPS investigation of impurity phase segregation in 25.5 wt.% CeO2-2.5 Y2O3-72 ZrO2 plasma-sprayed thermal barrier coatings (Articolo in rivista)

Type
Label
  • XPS investigation of impurity phase segregation in 25.5 wt.% CeO2-2.5 Y2O3-72 ZrO2 plasma-sprayed thermal barrier coatings (Articolo in rivista) (literal)
Anno
  • 1990-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/sia.740160193 (literal)
Alternative label
  • M. Arfelli, G.M. Ingo, G. Mattogno (1990)
    XPS investigation of impurity phase segregation in 25.5 wt.% CeO2-2.5 Y2O3-72 ZrO2 plasma-sprayed thermal barrier coatings
    in SIA. Surface and interface analysis
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Arfelli, G.M. Ingo, G. Mattogno (literal)
Pagina inizio
  • 452 (literal)
Pagina fine
  • 456 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 16 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1-12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • M. Arfelli, G.M. Ingo, G. Mattogno CNR, ISTITUTO DI TEORIA & STRUTTURA ELETTRONICA, AREA DELLA RICERCA DI ROMA, CP 10, 00016 MONTEROTONDO STAZIONE, ROME, ITALY (literal)
Titolo
  • XPS investigation of impurity phase segregation in 25.5 wt.% CeO2-2.5 Y2O3-72 ZrO2 plasma-sprayed thermal barrier coatings (literal)
Abstract
  • X-ray photoelectron spectroscopy (XPS), angular-dependent XPS and x-ray-induced Auger electron spectroscopy (XAES) have been used to investigate impurity (Si, Na and Al) segregation in 25.5 wt.% CeO2-2.5 Y2O3-72 ZrO2 plasma-sprayed thermal barrier coatings (TBCs) as a function of high-temperature air thermal treatment (up to 1460°C). The segregated phase, present in a similar composition both on the as-thermally treated and fracture surfaces, forms a thin layer of approximately 20 nm thick. This phase contains both silicon and sodium at a temperature ranging between 900 and 1350°C and it is also enriched with aluminium at higher temperatures. The XPS and XAES results are used to identify the chemical composition of this surface phase. (literal)
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