Volume 45, No 4, 2023, Pages 643-649

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Investigation of Wear Resistance of Polyamide PA6 Based Composite Materials for Metal - Polymer Plain Bearings and Gears


Myron Chernets , Yuriy Chernets , Yuriy Skvarok ,
Jaroslaw Zubrzycki

DOI: 10.24874/ti.1526.07.23.09

Received: 27 July 2023
Revised: 29 August 2023
Accepted: 7 September 2023
Published: 15 December 2023


Metal-polymer plain bearings and gears are becoming increasingly used in many areas of human activity. The wear resistance of one group of such materials - unreinforced polyamides PA6, PA66, and composites with fillers РА6+30GF, РА6+30CF, РА6+MoS2, РА6+Оil was studied. To determine their wear resistance indicators the author's method of model triboexperimental research according to the scheme of end friction at dry sliding friction paired with carbon steel (0.45%C) is used. According to the determined wear resistance indicators, are calculated as the basic parameters of the author's mathematical model of materials’ wear kinetics at sliding friction and the analytical method of the research of specified friction units. Based to the research, polymeric materials’ wear resistance diagrams are plotted as graphical indicators of wear resistance in the accepted range of specific friction forces. The qualitative and quantitative influence of the type and structure of the fillers on the wear resistance has been established. Qualitatively, the nature of the change in wear resistance of the indicated types of polyamides is similar, quantitatively the difference is significantly differentiated. It was found that PA6+Oil has the highest wear resistance compared to the РA6. It consistently increases in the following sequence: PA66, РA6+30GF, РA6+MoS2, РA6+30CF, РA6+Oil.


Experimental method research of polyamides wear resistance, Metal-polymer plain bearings and gears, Unreinforced polyamides and polyamide composites, Dry sliding friction, Wear resistance indicators

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