What does this research mean for the field?

The application of a magnetic field significantly decreases the friction coefficient and wear of high-density polyethylene lubricated with various oils, with the extent of reduction depending on the magnetic flux intensity and the specific oil used. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This work aims to investigate how magnetic fields affect the friction and wear of polyethylene under different lubrication conditions.

May 30, 2026Open Access

Influence of Magnetic Field on the Friction and Wear Caused by the Scratch of Oil Lubricated High Density Polyethylene

KSK. A. ShoushTaif University WAW. Y. AliMinia University SAS. Abdel-SattarTaif University

Key Points

This work aims to investigate how magnetic fields affect the friction and wear of polyethylene under different lubrication conditions.
Tests were conducted using a tribometer on oil-lubricated polyethylene surfaces scratched by steel inserts.
Nine types of oil were evaluated: Paraffin, Fenugreek, Camphor, Cress, Olive, Almonds, Sesame, Aniseed, and Habet El-Baraka.
Friction coefficients and wear rates were measured under varying loads with and without the application of magnetic fields.
Friction coefficients rose with increased loads; maximum observed with paraffinic oil and minimum with olive and Habet El Baraka oils.
Application of a 0.2 mG magnetic field significantly reduced friction; further reductions occurred at 0.3 mG.
Wear increased with load, with Almond oil showing the lowest wear and Olive oil the highest, while magnetic fields decreased wear overall.

Abstract

ABSTRACTThe present work discusses the influence of magnetic field on the friction and wear of polyethylene as bearing materials scratched by steel insert in the presence of different oil. Tests were carried out at oil lubricated surfaces. Paraffin, Fenugreek, Camphor, Cress, Olive, Almonds, Sesame, Aniseed and Habet El-Baraka oils were used as lubricants. The friction coefficient and wear of the tested composites were investigated using a tribometer designed and manufactured for that purpose. It was found that, at no magnetic field, friction coefficient increased with increasing applied load. The maximum value of friction coefficient was displayed in the presence of paraffinic oil, while the minimum values were displayed by olive and Habet El Baraka oils. As the magnetic field of 0.2 mG flux intensity was applied on the sliding surface significant friction decrease was observed. The rank of the tested oils as friction reducer was Olive, Camphor, Aniseed, Habet El Baraka, Fenugreek, Cress, Sesame, Almond and Paraffin. Camphor oil was much influenced by the application of the magnetic field. Increasing the flux intensity of magnetic field to 0.3 mG was accompanied by further decrease of friction coefficient. Wear of the polyethylene lubricated by the tested oil increased with increasing applied load. In the presence of Almonds oil on the sliding surfaces wear displayed the lowest values, while Olive oil displayed the highest wear. Application of the magnetic field significantly decreased wear. The best wear resistance was displayed by Aniseed and Fenugreek oils, while Paraffin and Almonds oils displayed the highest wear values.

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