E3S Web Conf.
Volume 164, 2020Topical Problems of Green Architecture, Civil and Environmental Engineering 2019 (TPACEE 2019)
|Number of page(s)||8|
|Section||Materials for Energy and Environment|
|Published online||05 May 2020|
Contact-deformation mechanism of boundary friction
1 Khmelnytsky National University, Instytutska str., 11, Khmelnytsky, 29000, Ukraine
2 Pryazovskyi State Technical University, Universytetska str., 7, Mariupol, 87555, Ukraine
3 Peter the Great St.Petersburg Polytechnic University, Polytechnicheskaya str., 29, St. Petersburg, 196603, Russia
4 Moscow State University of Civil Engineering, 26, Yaroslavskoeshosse, 129337, Moscow, Russia
* Corresponding author: email@example.com
Research was conducted to determine the effect of lubricants on stress and strain in the contact of metal surfaces. Experiments were carried out on the introduction of a fixed and moving indenter in contact with a dry and lubricated surface.The steel spherical specimen was pressed into a lubricated and dry metal surface. The microstructures of the structure of the surface layer are studied under various conditions of deformation. The diagrams of the relative deformation of the surface layers are constructed. The mechanism of the formation and distribution of internal stresses for dry and greased contact is described. Experimental studies of the introduction of a moving steel indenter into a lubricated surface have been carried out. The relationship of the deformation mechanisms of lubricated surfaces with their wear resistance is determined. The results obtained are recommended for predicting the durability of lubricated friction units according to the criterion of contact strength.
© The Authors, published by EDP Sciences 2020
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