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Vol.10, No.2, 2025: pp.63-76
Study of wear resistance and friction coefficient of polymeric materials for metal-polymer gears under dry friction
Authors:
Myron Czerniec1
, Jerzy Czerniec1
1State University “Kyiv Aviation Institute”, 1, Liubomyra Huzara Ave., 03058 Kyiv, Ukraine
Received: 18 February 2025
Revised: 3 April 2025
Accepted: 7 May 2025
Published: 30 June 2025
Abstract:
Various types of tribotechnical polymeric materials are widely used for metal-polymer (MP) gears to ensure their reliable operation in dry sliding friction conditions. These include polyamides, polyacetals, polyetheretherketones, polyethylene terephthalate, and other polymers. The wear resistance of polyamides (PA6, PA66, PA6+30GF, PA6+30CF, PA6+MoS2, PA6+oil), polyacetals (POM-H, POM+35PTFE, POM+20PTFE, POM+60Bronze, POM+20PTFE+30Bronze; POM+10PTFE+20Bronze, POM+15PTFE+15GF, POM+10PTFE+10GF, POM+10PTFE+20Bronze+10GF, POM+10PTFE+15Bronze+5GF), polyetheretherketones (PEEK, PEEK+30GF), and polyethylene terephthalates (PET, PET+PTFE) on steel has been studied in this work. In order to determine their wear resistance and sliding friction coefficient, the authors’ method of model triboexperimental studies of materials under sliding friction according to the pin-on-disk scheme was used. As a result, their wear resistance indicators were established and used to determine the wear resistance characteristics by the least squares method. They are necessary for the mathematical modeling of the wear kinetics of MP gears using the corresponding author's method. In order to compare the wear resistance of the studied polymeric materials and their compositions over an extended range of specific friction forces, graphical indicators of wear resistance (wear resistance diagrams) were constructed. On the basis of these diagrams, quantitative and qualitative regularities of the tribological behavior of the studied polymers in a tribopair with steel 45 were established. The change in the friction coefficient with increasing contact pressure was also investigated. The qualitative and quantitative parameters of this effect were determined.
Keywords:
Polymeric materials, Triboexperimental studies, Dry sliding friction, Wear resistance, Wliding friction coefficient, MP gears, Contact pressure
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© 2025 by the authors. This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0)
Volume 10
Number 2
June 2025
Last Edition
Volume 10
Number 2
June 2025
How to Cite
M. Czerniec, J. Czerniec, Study of Wear Resistance and Friction Coefficient of Polymeric Materials for Metal-Polymer Gears Under Dry Friction. Applied Engineering Letters, 10(2), 2025: 63-76.
https://doi.org/10.46793/aeletters.2025.10.2.1
More Citation Formats
Czerniec, M., & Czerniec, J. (2025). Study of Wear Resistance and Friction Coefficient of Polymeric Materials for Metal-Polymer Gears Under Dry Friction. Applied Engineering Letters, 10(2), 63-76.
https://doi.org/10.46793/aeletters.2025.10.2.1
Czerniec, Myron, and Jerzy Czerniec, “Study of Wear Resistance and Friction Coefficient of Polymeric Materials for Metal-Polymer Gears Under Dry Friction.“ Applied Engineering Letters, vol. 10, no. 2, 2025, pp. 63-76. https://doi.org/10.46793/aeletters.2025.10.2.1
Czerniec, Myron, and Jerzy Czerniec. 2025. “Study of Wear Resistance and Friction Coefficient of Polymeric Materials for Metal-Polymer Gears Under Dry Friction.“ Applied Engineering Letters, 10 (2): 63-76.
https://doi.org/10.46793/aeletters.2025.10.2.1
Czerniec, M., and Czerniec, J. (2025). Study of Wear Resistance and Friction Coefficient of Polymeric Materials for Metal-Polymer Gears Under Dry Friction. Applied Engineering Letters, 10(2), pp. 63-76.
doi: 10.46793/aeletters.2025.10.2.1.
Vol.10, No.2, 2025: pp.63-76
Study of wear resistance and friction coefficient of polymeric materials for metal-polymer gears under dry friction
Authors:
Andra Maria Popa1
, Kapil Gupta1
1University of Johannesburg, Mechanical and Industrial Engineering Technology, Johannesburg, South Africa
Received: 29 June 2024
Revised: 20 September 2024
Accepted: 26 September 2024
Published: 30 September 2024
Abstract:
This article presents a case study on improving process efficiency in a mining equipment part fabrication company. The company was facing issues concerning communication, organisation, and workflow processes. This study investigated that ineffective communication among departments was the major weakness which was responsible for the long lead or idle time. This lead time was a waste that affected the company’s productivity. A great amount of time was spent on non-value-added processes. The Kanban Centralised Communication System was implemented. Time study and value stream mapping were also used. A significant improvement in process efficiency from 34% to 85% was achieved by reducing lead time from 4200 minutes to 1680 minutes after streamlining the communication in the company using Kanban.
Keywords:
Lean manufacturing, Kanban, Optimization, Process efficiency, Production lead time, Value stream mapping
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© 2024 by the author. This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0)
Volume 10
Number 2
June 2025
Last Edition
Volume 10
Number 2
June 2025
How to Cite
V.H. Quan, Research and Optimization of Sport Utility Vehicle Aerodynamic Design. Applied Engineering Letters, 9(2), 2024: 105-115.
https://doi.org/10.46793/aeletters.2024.9.2.5
More Citation Formats
Quan, V.H. (2024). Research and Optimization of Sport Utility Vehicle Aerodynamic Design. Applied Engineering Letters, 9(2), 105-115.
https://doi.org/10.46793/aeletters.2024.9.2.5
Quan, Vu Hai, “Research and Optimization of Sport Utility Vehicle Aerodynamic Design.“ Applied Engineering Letters, vol. 9, no. 2, pp. 2024, 105-115.
https://doi.org/10.46793/aeletters.2024.9.2.5
Quan, Vu Hai, 2024. “Research and Optimization of Sport Utility Vehicle Aerodynamic Design.“ Applied Engineering Letters, 9 (2):105-115.
https://doi.org/10.46793/aeletters.2024.9.2.5
Quan, V.H. (2024). Research and Optimization of Sport Utility Vehicle Aerodynamic Design. Applied Engineering Letters, 9(2), pp. 105-115.
doi: 10.46793/aeletters.2024.9.2.5.