Tribological study of a polymer bushing wear with a steel axle for an automatic car tensioner

This paper aims to show through a factorial experimental design significant factors on the polymeric bushing wear PA66, including their amplitude, frequency and spring height, when interacting with a steel axle SAE1018 (from Society of Automotive Engineers - SAE) in a tension belt applied. It was ve...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part J, Journal of engineering tribology Journal of engineering tribology, 2022-06, Vol.236 (6), p.1198-1218
Main Authors: Fortes, Rafael Rodrigues, de Camargo, José Rubens, Giacaglia, Giorgio Eugenio Oscare, Lamas, Wendell de Queiróz
Format: Article
Language:English
Subjects:
Amplitudes
Automotive engineering
Design factors
Design of experiments
Low carbon steels
Mechanical engineering
Polyamide resins
Shafts (machine elements)
Tensioners
Topology
Tribology
Wear
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Summary:This paper aims to show through a factorial experimental design significant factors on the polymeric bushing wear PA66, including their amplitude, frequency and spring height, when interacting with a steel axle SAE1018 (from Society of Automotive Engineers - SAE) in a tension belt applied. It was verified that factors as amplitude and frequency are significant and it was possible to propose a mathematical model to predict this wear behaviour for the proposed test. Moreover, an adhesion wear behaviour was verified, whereof a polyamide film was observed on the axle transferred by the bushing. Through the microscopy report analysis, it was possible to see the transfer film topology characterisation for a better comprehension of the adhered polyamide film from the bushing to the axle surface.
ISSN:1350-6501
2041-305X
DOI:10.1177/13506501211053514