Carregant...
Fitxers
Tipus de document
ArticleVersió
Versió publicadaData de publicació
Tots els drets reservats
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/183368
Evolution of TSA/TSZ coatings: a review on recent advances on cold gas spraying for steel corrosion protection
Títol de la revista
Director/Tutor
ISSN de la revista
Títol del volum
Recurs relacionat
Resum
The NOx storage mechanism on BaTi0.8Cu0.2O3 catalyst were studied using different techniques. The results obtained by XRD, ATR, TGA and XPS under NOx storage-regeneration conditions revealed that BaO generated on the catalyst by decomposition of Ba2TiO4 plays a key role in the NOx storage process. In situ DRIFTS experiments under NO/O2 and NO/N2 show that nitrites and nitrates are formed on the perovskite during the NOx storage process. Thus, it seems that, as for model NSR catalysts, the NOx storage on BaTi0.8Cu0.2O3 catalyst takes place by both "nitrite" and "nitrate" routes, with the main pathway being highly dependent on the temperature and the time on stream: (i) at T < 350 °C, NO adsorption leads to nitrites formation on the catalyst and (ii) at T > 350 °C, the catalyst activity for NO oxidation promotes NO2 generation and the nitrate formation.
Matèries
Matèries (anglès)
Citació
Citació
ALBALADEJO-FUENTES, Vicente, MARTOS, Ana maría, SÁNCHEZ, Javier, GARCÍA CANO, Irene. Evolution of TSA/TSZ coatings: a review on recent advances on cold gas spraying for steel corrosion protection. _Corrosion Reviews_. 2021. Vol. 11, núm. 8, pàgs. 2133. [consulta: 27 de gener de 2026]. ISSN: 0334-6005. [Disponible a: https://hdl.handle.net/2445/183368]