The effect of a magnetic field on the physicochemical and tribotechnical properties of traditional lubricants and innovative nanostructured magnetic oils and fluids is considered. The reasons for the change in these properties are analyzed, and it is shown that this primarily affects the polarizability of oils and the absorption of electromagnetic radiation. To assess the physicochemical properties, the methods of dielcometry and infrared spectroscopy were used. The integral effect of the magnetic field on the process of friction of surfaces lubricated with traditional non-magnetic and magnetic oils was researched on an end friction machine. A conclusion is made about a significant change in individual physical, mechanical and chemical properties of magnetic lubricants when exposed to a magnetic field. This effect is negligible for conventional lubricants. The magnetotribological effect has also been established, which consists in the influence of a uniform magnetic field on the lubricating properties of magnetic oil. As a result of prolonged exposure of the magnetic oil to uniform magnetic fields, the anti-resistance properties of the oil deteriorate. With increasing field strength, the effect is stronger. It is concluded that an inhomogeneous and homogeneous magnetic field reduces the aggregate stability of the magnetic oil, and this is especially manifested under conditions of boundary friction. The positive role of the magnetic field in the friction of surfaces lubricated with a magnetic fluid is that it accelerates the regeneration of the lubricating film.

Topics
Electromagnetic radiation, Magnetic fields, Infrared spectroscopy, Mechanical properties, Polarizability, Chemical properties, Magnetic fluids
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