Nanodispersed magnetic oil: relationship between liquid phase composition and tribological characteristics
A.N. Bolotov, V.V. Novikov, O.O. Novikova
Tver State Technical University
DOI: 10.26456/pcascnn/2025.17.577
Original article
Abstract: The use of nanodispersed magnetic oil for lubricating plain bearings of modern high-tech equipment allows to increase its durability and performance. The paper assesses the effect of the dispersion medium, nanodispersed magnetic phase, antiwear additives and fillers on the tribological properties of magnetic oil. Three-component magnetic lubricating oils with different dispersion medium compositions were studied. Synthetic organosilicon fluids belonging to different groups were used as dispersion medium. Magnetic oils stabilized by using organosilicon acids, ionogenic surfactants, fatty acids, etc. were tested. According to the results of tribological tests, it was found that in a wide range of friction conditions, the lubricating properties of nanodispersed magnetic oil are higher, the higher these properties are in the dispersed medium. The effect of surfactants stabilizing the colloidal structure of nanooils on the corrosion-mechanical component of wear was studied. A conclusion has been made about some advantage of oils with polymer shells on particles. A method has been proposed for removing agglomerates of ferroparticles formed during the synthesis of lubricant and as a result of particle flocculation under the action of magnetic forces, by the action of a force non-uniform magnetic field. The need to continue research in this direction has been shown.
Keywords: nanodispersed magnetic oil, triboproperties of magnetic oils, dispersion medium, antiwear additives, friction, wear
- Alexander N. Bolotov – Dr. Sc., Professor, Head of the Applied Physics Department, Tver State Technical University
- Vladislav V. Novikov – Ph. D., Full Docent, Applied Physics Department, Tver State Technical University
- Olga O. Novikova – Ph. D., Full Docent, Applied Physics Department, Tver State Technical University
For citation:
Bolotov A.N., Novikov V.V., Novikova O.O. Nanodispersnoe magnitnoe maslo: vzaimosvyaz sostava zhidkoj fazy i tribotekhnicheskikh kharakteristik [Nanodispersed magnetic oil: relationship between liquid phase composition and tribological characteristics], Fiziko-khimicheskie aspekty izucheniya klasterov, nanostruktur i nanomaterialov [Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials], 2025, issue 17, pp. 577-584. DOI: 10.26456/pcascnn/2025.17.577. ⎘
Full article (in Russian): download PDF file
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