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This article defines the effect of surface roughness on a selection of tribological properties of systems with AlTiN coatings. Friction-wear tests were carried out on a tribological tester, which operates as a sphere and disc assembly in a frictional, sliding motion. The tests were conducted under a load of 10 N over a friction distance of 1,000 m. Steel discs made of HS6-5-2C with an AlTiN coating...
The functionality of removable dentures is ensured by proper diagnostics and clinical modeling. No less important are the structural conditions and the biotribological and biomechanical context, which determine the wear resistance in the contact of opposing teeth and the contact of the denture plate with the stomatognathic system. The aim of the study is to evaluate acrylic teeth used in prosthetic...
As an effective surface modification technique, micro-arc oxidation (MAO) is now widely used to improve the hardness and wear resistance of Ti and its alloys by low-cost and thick ceramic coatings. In this study, MoSi2 – modified ceramic coatings were deposited on Ti–6Al–4V alloy (340 HV) by MAO using an aqueous solution of (Na2SiO3),(NaPO3)6 and (NaOH) and MoSi2 particles. MoSi2 particles (3, 5,...
This paper investigates the effect of the type of movement on the tribological properties of an AlTiN coating applied to a disc made of HS6-5-2C steel. Tribological tests were carried out with a tribometer operating on a ball-disc friction apparatus moving in to-and-from as well as in rotary motion. The tests were carried out under technically dry friction conditions, subject to the application of...