Titanium and its alloys attract much attention due to their low specific weight, good corrosion resistance, high toughness, high yield strength and efficient biocompatibility. However, these materials have poor wear resistance, high friction and low hardness. Therefore, the surface properties often need to be modified. In the present work, nitrogen ion implantation was used to modify the titanium surface. Nitrogen doped layer integrated into the surface of titanium were investigated by several methods aimed primarily at determination of chemical composition, surface microstructure, surface mechanical properties and coefficient of friction. The present study includes results of Secondary Ion Mass Spectrometry, X-ray diffraction and nanoindentation.Keywords: Nitrogen doping, Ion implantation, Titanium, Microstructure, Properties
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