Structural-Phase Analysis of the Titanium Niobium System Formed by Electro-Explosive Method on the Titanium Implant Surface

Abstract:

TiNb coatings were obtained by the electro-explosive doping on the surface of a titanium dental implant (VT6 alloy). The elemental and phase composition was determined by the methods of scanning and transmission electron microscopy and by X-ray structural analysis. The morphology and defective substructure of the coating were studied. Hardness and Young's modulus, friction coefficient and wear resistance of the formed coating were determined. It has been established that the electro-explosive coating is multi-element and multi-phase and possesses submicro-and nanocrystalline structure, high strength and tribological properties. It was found, that the formation of TiNb coating is accompanied by a multiple (more than 2 times) decrease in the wear parameter, i.e. wear resistance increase of the surface layer, an increase in the friction coefficient by 1.5 times, significant increase in hardness (1.5 times) and Young's modulus (1.3 times).

• Periodical: Materials Science Forum (Volume 989)
• Pages: 33-40
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.989.33
• Online since: May 2020
• Authors: Denis A. Romanov*, Kirill V. Sosnin, Yurii F. Ivanov
• Keywords: Bio-Inert Coating, Electric Explosion Spraying, Implant, Niobium, Structure, Titanium

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