The effects of surface defects on the fatigue of water-and oil-lubricated contacts

N Gao, RS Dwyer-Joyce - Proceedings of the Institution of …, 2000 - journals.sagepub.com
… dents only reduce the fatigue life of the … the fatigue failure initiates at the surface defect.
However, with water as a lubricant the whole of the surface undergoes cracking with the defect

The effect of intermittent lubrication on the fatigue life of pearlitic rail steel in rolling-sliding contact

DI Fletcher, JH Beynon - … Engineers, Part F: Journal of Rail …, 2000 - journals.sagepub.com
Contacts were run dry or wet throughout testing, dry then wet, … molybdenum disulphide
suspended in oil lubricated cycles; D … The crack face friction coefficients for dry, water and MIO …

Implications of water medium for the evolution of rolling contact fatigue under rail surface defect conditions

SY Zhang, QY Liu, WJ Wang, M Spiryagin, Q Lin… - Tribology …, 2022 - Elsevier
… Damage in areas with and without pre-existing defects under water and dry conditions
were compared and discussed. Results also show that the ratio between the remained …

Effect of coatings on rolling contact fatigue and tribological parameters of rolling/sliding contacts under dry/lubricated conditions: a review

AV Borgaonkar, I Syed - Sādhanā, 2020 - Springer
contacts and creates problems such … contacts. They conclude that hydrogen-free
amorphous carbon film offers outstanding wear resistance in dry and aqueous as well as oil-lubricated

Investigation on rolling contact fatigue of railway wheel steel with surface defect

D Zeng, T Xu, W Liu, L Lu, J Zhang, Y Gong - Wear, 2020 - Elsevier
effect of surface defect on the rolling contact fatigue (RCF) of railway wheel steel was investigated.
Artificial defects … prerolled wheel discs to simulate defects appearing in actual wheels. …

Wear and fatigue of railway track caused by contamination, sanding and surface damage

RS Dwyer-Joyce, R Lewis, N Gao, DG Grieve - 2003 - eprints.whiterose.ac.uk
… a low cycle fatigue process was observed for sanded contacts. … In the oil lubricated contact
an elastohydrodynamic oil film … For the water and dry cases there is a much higher surface

Morphology of surface damage resulting from static and dynamic contacts

P Vongbandit - 2008 - bura.brunel.ac.uk
fatigue, adhesive strength of the interface was the key factor controlling damage of the PMMA
plate in both dry and oil-lubricated … environments including air, water and ethylene glycol. …

Tribochemical investigation of micropitting in rolling-element bearing applications: the influence of lubricant additives and water contamination

S Soltanahmadi - 2017 - etheses.whiterose.ac.uk
… embrittlement and micropitting surface fatigue. Furthermore, … A mechanistic understanding
of effect of water and relative-… with the steel surface under severe rolling-sliding contacts is a …

Tribological behavior of thick DLC coatings under lubricated conditions

B Rübig, D Heim, C Forsich, C Dipolt, T Mueller… - Surface and coatings …, 2017 - Elsevier
… The used lubricants were water and engine oil. … to be responsible for the observed fatigue
wear defects. It is also … This spallation on polished and oil lubricated samples could be …

Surface contact in theory and practice

FT Harwell - Proceedings of the Institution of Mechanical …, 1961 - journals.sagepub.com
… Simultaneous admission of oleic acid, water and oxygen, … of steel weakened by surface
fatigue effects. This particle while … use in this location of an oil-lubricated whitemetal bearing. …