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- Title
Energy Criterion of Oil Film Failure during Friction.
- Authors
Fedorov, S. V.
- Abstract
The concepts developed by the thermodynamic theory of solid body strength and fracture are used to examine the conditions of lubricant film failure. We obtain a quantitative criterion that defines the lubricant film "defectness" - the critical value (constant for a given mineral oil) of the internal (thermal) energy density in the volume of the lubricant film. We propose analytic relations for evaluating scuffing in friction with lubrication and verify them experimentally on a full-scale stand for testing actual sliding bearings. We show the constancy of the critical value of the internal (thermal) energy density in the volume of the oil film at the moment of scuffing for an inactive mineral oil.
- Subjects
THERMODYNAMICS education; PHYSICAL &; theoretical chemistry; SURFACE roughness; FRICTION losses; ENERGY balance mass spectrometers; ENERGY density; LUBRICATION &; lubricants
- Publication
Tribology in Industry, 2014, Vol 36, Issue 4, p384
- ISSN
0354-8996
- Publication type
Article