Particle erosion of sol - gel TiO2 - ZrO2 films

Grilec, Krešimir and Ćurković, Lidija and Majić Renjo, Marijana and Jakovljević, Suzana and Rede, Vera (2014) Particle erosion of sol - gel TiO2 - ZrO2 films. = Particle erosion of sol - gel TiO2 - ZrO2 films. In: 4th international conference Mechanical technologies and structural materials, 25.-26.09.2014., Split, Hrvatska.

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Abstract

Wear resistance of metallic materials can be improved by modifying their surface with different coating deposition techniques, one of which is a sol-gel technology. In this paper, the erosive wear resistance of a ceramic nanostructured sol-gel TiO2-ZrO2 film deposited on the stainless steel substrate (X5CrNi18-10) by the dip coating technique has been described. Steel balls were used as an erodent, with the impact angle of 30 and 90. The coating thickness, as well as chemical composition after erosion, was analyzed by the Glow Discharge Optical Emission Spectrometer (GD-OES). Obtained results showed that the erosive wear resistance of sol-gel TiO2-ZrO2 films does not depend significantly on the impact angle, if the applied erodents are steel balls. The coating is much harder than the substrate, so it is pressed into the substrate during the steel balls impacting.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Sol-gel, thin films, tribology, particle erosion
Subjects: TECHNICAL SCIENCE > Chemical engineering
TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1000 Department of Materials > 1010 Chair of Materials and Tribology
Date Deposited: 20 Sep 2016 13:54
Last Modified: 20 Sep 2016 13:54
URI: http://repozitorij.fsb.hr/id/eprint/6513

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