An EBSD Investigation on the Evolution of the Surface Microstructure of D2 Wheel Steel During Rolling Contact Fatigue
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DOI: 10.1007/s11249-020-1277-1
Abstract: In this work, the relationship between rolling contact fatigue (RCF) failure and the microstructure of D2 wheel steel was studied using a GPM-30 fatigue tester under oil lubrication conditions. The microstructural evolution during the RCF… read more here.
Keywords: proeutectoid ferrite; ferrite phase; contact fatigue; rolling contact ... See more keywords
Experimental Analysis of Rail Contact Fatigue Damage on Frog Rail of Fixed Common Crossing 1:12
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DOI: 10.1007/s11668-019-00696-w
Abstract: Assembled fixed common crossings of the steel grade R350HT with high switch angles are subjected to quick rail contact fatigue (RCF) deterioration. The crossings are a significant cost driver in railway maintenance and have an… read more here.
Keywords: rail contact; frog rail; rail; fixed common ... See more keywords
Validation of single ball rolling contact fatigue machine dynamics
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DOI: 10.1007/s12206-016-1205-3
Abstract: Single ball test machines are a common method for accelerated rolling contact fatigue testing of bearing materials. Historically, it has always been assumed that the force applied by the retaining bars is negligible, without any… read more here.
Keywords: rolling contact; single ball; ball; contact fatigue ... See more keywords
Influence of Cu nanofluids on the rolling contact fatigue life of bearing steel
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DOI: 10.1016/j.engfailanal.2017.03.014
Abstract: Abstract Rolling contact fatigue (RCF) tests were conducted on AISI E-52100 steel balls lubricated with Cu nanofluids prepared using SAE 5 W-40 synthetic oils as base fluids. Functionalized Cu nanoparticles were blended to 0.2% by weight… read more here.
Keywords: contact fatigue; steel; fatigue life; rolling contact ... See more keywords
Characterization and mapping of rolling contact fatigue in rail-axle bearings
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DOI: 10.1016/j.engfailanal.2017.04.012
Abstract: Abstract This paper presents a new stage of on-going research to fully characterize the rolling contact fatigue (RCF) damage observed in rail axle Compact Tapered roller Bearing Units (CTBUs). The bearings examined in this work… read more here.
Keywords: rolling contact; surface; rail axle; damage ... See more keywords
The effect of decarburized layer on rolling contact fatigue of rail materials under dry-wet conditions
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DOI: 10.1016/j.engfailanal.2018.04.026
Abstract: Abstract Decarburization means carbon in rail material lost in the hot rolled process. It changes the microstructure of rail materials and will influence their rolling contact fatigue (RCF) characteristic. The objective of this study is… read more here.
Keywords: rolling contact; effect decarburized; decarburized rail; rail materials ... See more keywords
Influence of load spectrum on contact fatigue damage of a case carburized wind turbine gear
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DOI: 10.1016/j.engfailanal.2020.105005
Abstract: Abstract Contact fatigue failures are becoming increasingly prominent in heavy-duty gears due to the remarkable effects on service lives and reliabilities of associated machines such as wind turbines. The contact fatigue estimation of such gears… read more here.
Keywords: contact; contact fatigue; fatigue; load spectrum ... See more keywords
A novel experimental procedure to reproduce the load history at the crack tip produced by lubricated rolling sliding contact fatigue
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DOI: 10.1016/j.engfracmech.2018.02.020
Abstract: Abstract Pitting is frequently encountered in machine elements, such as bearings, cams and gears, containing parts in relative sliding-rolling motion. Most of investigations on rolling contact fatigue have been carried out by means of numerical/analytical… read more here.
Keywords: fatigue; coplanar extension; novel experimental; contact fatigue ... See more keywords
Local rolling contact fatigue and indentations on high-speed railway wheels: Observations and numerical simulations
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DOI: 10.1016/j.ijfatigue.2017.05.014
Abstract: Abstract Local rolling contact fatigue (LRCF) has occasionally been observed on wheels of high-speed electrical multiple units (EMUs) in recent years in China. It typically propagates to 2.5–8.5 mm deep along shallow angles to the tread… read more here.
Keywords: rolling contact; contact; contact fatigue; local rolling ... See more keywords
Multi-scale modeling and simulation of rolling contact fatigue
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DOI: 10.1016/j.ijfatigue.2017.11.005
Abstract: Abstract A hierarchical multiscale method is proposed in this paper to study the rolling contact fatigue with the consideration of lubricant effects. This multiscale model consists of a molecular model of lubricant and a continuum… read more here.
Keywords: fatigue life; rolling contact; continuum model; model ... See more keywords
Effects of axle load transfer on wheel rolling contact fatigue of high-power AC locomotives with oblique traction rods
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DOI: 10.1016/j.ijfatigue.2020.105748
Abstract: Abstract Severe wheel rolling contact fatigue (RCF) has been observed on two types of high-power AC locomotives with CO-CO axle arrangement and running in complicated environments in China. This RCF occurs as continuous lateral surface… read more here.
Keywords: wheel rolling; high power; rolling contact; fatigue ... See more keywords