TRIBOLOGICAL WEAR ANALYSIS OF Ti-Al COMPOSITE COATINGS APPLIED WITH THE COLD SPRAY METHOD

Author:

Rutkowska-Gorczyca Małgorzata1ORCID,Wiśniewski Marcin2,Dziubek Mateusz1ORCID,Kowalewski Piotr1ORCID,Winnicki Marcin1ORCID

Affiliation:

1. Wrocław University of Science and Technology, Faculty of Mechanical Engineering

2. Student Scientific Circles after R. Haimann of Wrocław University of Science and Technology

Abstract

The possibility of using the low-pressure cold gas spraying (LPCS) method to create composite coatings hasbeen known and used for a long time. This method makes it possible to create coatings from physically andchemically different powders and to regenerate components damaged during operation. Composite coatingsof titanium and aluminium at different weight concentrations were selected for the study. The research wasconducted to optimise the influence of the chemical composition of the composite coatings on their tribologicalproperties. This paper presents the results of tribological wear testing of composite coatings applied using thelow-pressure cold gas spray (LPCS) method. Wear resistance tests were performed using the ball-on-platemethod in reciprocating motion using a steel ball. Tribological testing of the coatings included determiningthe effect of contact force on wear and the value of the kinetic coefficient of friction of the friction pairs tested.The study determined the optimum chemical composition of the Ti-Al composite coatings to improve wearproperties.

Publisher

Index Copernicus

Subject

General Medicine

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