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Influence of Design of Sliding Bearings on Efficiency of a Polytetrafluoroethylene Macromodifier of Antifriction Carbon Plastics

Authors
  • Lishevich, I. V.1
  • Anisimov, A. V.1
  • Nikolaev, G. I.1
  • Savelov, A. S.1
  • Sargsyan, A. S.1
  • 1 National Research Center Kurchatov Institute—CRISM Prometey, St. Petersburg, 191015, Russia , St. Petersburg (Russia)
Type
Published Article
Journal
Inorganic Materials: Applied Research
Publisher
Pleiades Publishing
Publication Date
Nov 01, 2021
Volume
12
Issue
6
Pages
1590–1596
Identifiers
DOI: 10.1134/S2075113321060095
Source
Springer Nature
Keywords
Disciplines
  • Polymer Composite Materials
License
Yellow

Abstract

The results of laboratory and bench tests of UGET and FUT antifriction carbon plastics macromodified with polytetrafluoroethylene (PTFE) are presented. The efficiency (reduction in the friction coefficient) of such modification of carbon plastics has been confirmed. The dependence of the efficiency of this method on the design of sliding friction units has been established. The plastic deformation of PTFE is the key factor that determines the efficiency of the modifier in the design of sliding bearings. The design of a friction unit should eliminate the pressure gradient in the PTFE protectors and prevent the possibility of an uncontrolled outward flow of PTFE from the friction zone.

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