Friction Coefficient and Worn Surface of Ferromagnetic Materials under Magnetic Fields

Jirasak Tharajak; Duongruitai Nicomrat

doi:10.4028/www.scientific.net/AMM.848.31

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 848Friction Coefficient and Worn Surface of...

Friction Coefficient and Worn Surface of Ferromagnetic Materials under Magnetic Fields

Abstract:

Several machine components including a part of electrical circuit box, an electrical motor and an automotive part were common ferromagnetic materials used under the magnetic fields. In the general, their friction had occurred in the magnetized materials during operation. The friction coefficient of the sample under magnetic fields was different from the sample without magnetic field treatment. Its friction coefficient had correlation with wear behavior of specimens. The wear protection procedures for the ferromagnetic parts during operation are recognized different from others without magnetization. Its friction coefficient was thus used to measure the wear characteristics with a ball on disc friction tester. The microstructure of wear trace and debris was investigated by scanning electron microscope. From the results, the magnetic fields affected the change of friction coefficient. The friction coefficient was decreased with an increasing magnetic intensity. This was because the wear debris was induced and thus decreased the adhesive wear mode during friction test.

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Periodical:

Applied Mechanics and Materials (Volume 848)

Pages:

31-34

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.848.31

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Online since:

July 2016

Authors:

Jirasak Tharajak*, Duongruitai Nicomrat

Keywords:

Adhesive Wear, Ferromagnetic, Friction Coefficient, Magnetic Fields, Wear Debris

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* - Corresponding Author

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