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Detonation gun sprayed Al2O3-13TiO(2) coatings for biomedical applications
2014 (engelsk)Inngår i: Surface Engineering, ISSN 0267-0844, E-ISSN 1743-2944, Vol. 30, nr 4, s. 229-236Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The present work deals with the investigation of the corrosion and sliding wear behaviour of detonation gun sprayed (DG) conventional and nanostructured Al2O3-13TiO(2) coatings deposited on a biomedical grade Ti-13Nb-13Zr alloy. The microstructure and phase composition of the coatings were characterised by scanning electron microscopy (SEM) and X-ray diffraction ( XRD). Hardness measurements were carried out using a Vickers hardness testing machine. The experimental results suggested that the nano structured Al2O3- 13TiO(2) coating exhibited 43 and 33% increase respectively in corrosion and wear resistances compared to the conventional Al2O3-13TiO(2) coating. This improvement in the above properties of nanostructured Al2O3-13TiO(2) coating is due to the presence of larger volume fraction of nanosized particles and lower porosity attained by spraying using DG.

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2014. Vol. 30, nr 4, s. 229-236
Emneord [en]
Al2O3-13TiO(2), Hardness, Corrosion, Wear, Ti-13Nb-13Zr, ALUMINA-TITANIA COATINGS, FRETTING WEAR BEHAVIOR, MECHANICAL-PROPERTIES, AL2O3-13-PERCENT-TIO2 COATINGS, NANOCRYSTALLINE POWDERS, NANOSTRUCTURED, POWDERS, HEAT-TREATMENT, PLASMA SPRAY, MICROSTRUCTURE, DEPOSITION, Materials Science, Coatings & Films
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URN: urn:nbn:se:hv:diva-8443OAI: oai:DiVA.org:hv-8443DiVA, id: diva2:859846
Tilgjengelig fra: 2015-10-08 Laget: 2015-10-08 Sist oppdatert: 2021-12-17bibliografisk kontrollert

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