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Effect of silver/polydopamine graphene oxide as lubricating oil additive on temperature rise and vibration of motorized spindle.
- Source :
- Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science (Sage Publications, Ltd.); Mar2024, Vol. 238 Issue 5, p1688-1698, 11p
- Publication Year :
- 2024
-
Abstract
- In this study, polydopamine and silver-modified graphene oxide (Ag/PGO) were prepared using a one-step method, and the effects of Ag/PGO as a lubricating oil additive on the viscosity, thermal conductivity, and lubricating performance of lubricating oil were studied. The influence of additive lubricating oil on the temperature increase and vibration of a high-speed motorized spindle was studied through a motorized spindle experiment. The results showed that the addition of Ag/PGO nanocomposites could improve the thermophysical properties and lubricating properties of the lubricating oil. The Ag/PGO nanoparticles deposited on the friction surface formed a friction protective film, which prevented direct contact between the friction pairs and effectively reduced the heat generated through friction and micro-peak collision during bearing operation. The lubricating oil containing Ag/PGO had high thermal conductivity and a good heat dissipation effect in convection heat transfer in the bearing cavity. The deposition and repair of nanoparticles could improve the micro-morphology of the friction surface and reduce the high-frequency amplitude of the motorized spindle. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09544062
- Volume :
- 238
- Issue :
- 5
- Database :
- Complementary Index
- Journal :
- Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science (Sage Publications, Ltd.)
- Publication Type :
- Academic Journal
- Accession number :
- 175790647
- Full Text :
- https://doi.org/10.1177/09544062231187731