Results 251 to 260 of about 9,727 (308)
Wear of Rolling Bearing Materials with Refrigerant Lubrication
, 2008 Hadfield, Mark, Khan, Zulfiqar Ahmad
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A Review of Rolling Contact Fatigue
Journal of Tribology, 2009Abstract Ball and rolling element bearings are perhaps the most widely used components in industrial machinery. They are used to support load and allow relative motion inherent in the mechanism to take place. Subsurface originated spalling has been recognized as one of the main modes of failure for rolling contact fatigue (RCF) of ...
Farshid Sadeghi +2 more
exaly +2 more sources
Wear and fatigue in rolling contact
Wear, 2002Researches on wear and fatigue in rolling contact from a tribological viewpoint are introduced. Transmission of traction and accompanying microslip in the contact region play critical roles in these phenomena. First, a quantitative analysis of wear in rolling contact with microslip is introduced, and it is shown that a simplified microslip theory can ...
Yoshitsugu Kimura +2 more
exaly +2 more sources
On the Dang Van fatigue limit in rolling contact fatigue
International Journal of Fatigue, 2006 Recently, various methods have been proposed to assess the risk of rolling contact fatigue failure and in particular, the Dang Van multiaxial fatigue criterion has been suggested in a simple approximate formulation by Ekberg, Kabo and Andersson. In a recent note by Ciavarella and Maitournam, it was found that the approximation is only valid in a ...
CIAVARELLA, Michele +2 more
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2023
Dans ce travail, un modèle bidimensionnel par éléments finis est utilisé pour simuler la réponse mécanique d'une roue ferroviaire roulant sur un rail. Le matériau (acier pour roue) est élastoplastique avec une loi de comportement de Chaboche-Lemaitre combinant l'écrouissage isotrope et l'écrouissage cinématique non linéaire.
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Dans ce travail, un modèle bidimensionnel par éléments finis est utilisé pour simuler la réponse mécanique d'une roue ferroviaire roulant sur un rail. Le matériau (acier pour roue) est élastoplastique avec une loi de comportement de Chaboche-Lemaitre combinant l'écrouissage isotrope et l'écrouissage cinématique non linéaire.
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2019
This chapter contains the results of investigations of the fracture processes (paths of crack propagation) for bodies under the conditions of rolling (rolling with sliding). These results were obtained by using the model proposed in Chap. 2, the solutions of singular integral equations for the corresponding problems, and also the results of evaluation ...
Oleksandra Datsyshyn, Volodymyr Panasyuk
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This chapter contains the results of investigations of the fracture processes (paths of crack propagation) for bodies under the conditions of rolling (rolling with sliding). These results were obtained by using the model proposed in Chap. 2, the solutions of singular integral equations for the corresponding problems, and also the results of evaluation ...
Oleksandra Datsyshyn, Volodymyr Panasyuk
openaire +1 more source
Contact fatigue in rolling-element bearings
Engineering Failure Analysis, 1997Abstract Surface contact fatigue is a common cause of failure in rolling-element bearings. The extent of damage observed depends on the contact loads, the curvature of the rolling elements, and the relative motion between the contacting surfaces. The characteristics of the various types of contact fatigue are as follows: 1.
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A multiaxial fatigue approach to Rolling Contact Fatigue in railways
International Journal of Fatigue, 2014Abstract Railway sector plays an important role in the means of transportation and the safety of wheels and rails is a greater concern for the manufacturers and operators of the railway network. In the wheel–rail contact, damage may occur due to wear or fatigue and in the latter case Rolling Contact Fatigue (RCF) is a growing problem due to the ...
L. Reis, B. Li, M. de Freitas
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Prediction of fatigue crack initiation for rolling contact fatigue
International Journal of Fatigue, 2000In finite element (FE) simulations of a twin disc test of a wheel/rail contact, fatigue crack initiation criteria for elastic shakedown, plastic shakedown and ratchetting material responses were evaluated for a pearlitic rail steel BS11 normal grade.
Ringsberg, J. W. +4 more
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