Microstructure and indentation mechanical properties of YSZ nanostructured coatings obtained by suspension plasma spraying
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Altres documents de l'autoria: Carpio Cobo, Pablo; Rayón, E.; Pawłowski, L.; Cattini, A.; Benavente, Rut; Bannier, Emilie; Salvador, M. D.; Sánchez-Vilches, Enrique
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Microstructure and indentation mechanical properties of YSZ nanostructured coatings obtained by suspension plasma sprayingAutoria
Data de publicació
2013-04Editor
ElsevierCita bibliogràfica
CARPIO, P., et al. Microstructure and indentation mechanical properties of YSZ nanostructured coatings obtained by suspension plasma spraying. Surface and Coatings Technology, 2013, 220: 237-243.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://www.sciencedirect.com/science/article/pii/S0257897212009255Versió
info:eu-repo/semantics/submittedVersionParaules clau / Matèries
Resum
A commercial nanosuspension of yttria-stabilised zirconia (YSZ) was successfully deposited on austenitic stainless steel substrate by suspension plasma spraying technique (SPS). A SG-100 torch with internal radial ... [+]
A commercial nanosuspension of yttria-stabilised zirconia (YSZ) was successfully deposited on austenitic stainless steel substrate by suspension plasma spraying technique (SPS). A SG-100 torch with internal radial injection was used for the spraying. The pneumatic system transported the feed suspension from the containers to the plasma torch. In order to study the effect of the spraying parameters, a factorial model was used to design the experiments, changing both spraying translation speed and suspension flow rate.
The coating microstructure was characterised by FEG-SEM. All coatings displayed a two-zone microstructure formed by nanometre-sized particles surrounded by fully molten areas. Moreover, crystalline phases were determined by XRD and Raman spectroscopy. Mechanical properties were also determined using nanoindentation technique. Nanoindentation tests showed a bimodal distribution of the mechanical properties (hardness and Young's modulus) which is related to the two zones (molten and partially molten) present in the coatings. [-]
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Surface and Coatings Technology Volume 220, April 2013Drets d'accés
Copyright © 2014 Elsevier B.V. except certain content provided by third parties
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info:eu-repo/semantics/openAccess
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info:eu-repo/semantics/openAccess
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