Effect of surface topography on contact fatigue in mixed lubrication0

Dmitry Epstein; Leon M. Keer; Q. Jane Wang; H. S. Cheng

doi:10.1080/10402000308982657

Effect of surface topography on contact fatigue in mixed lubrication⁰

Dmitry Epstein^*, Leon M. Keer, Q. Jane Wang, H. S. Cheng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

The paper proposes a rolling/sliding contact fatigue model for machine components in mixed lubrication undergoing cyclic loading. The model consists of two distinct components. The first is a full-scale mixed lubrication analysis of interacting rough surfaces, during which surface pressure distribution is calculated. The second is the computation of subsurface stresses and determination of fatigue life using the Zaretsky fatigue model. Numerical examples are presented for a variety of surfaces with different finishes. The model predictions confirm that surface roughness and texture have a significant impact on fatigue life.

Original language	English (US)
Pages (from-to)	506-513
Number of pages	8
Journal	Tribology Transactions
Volume	46
Issue number	4
DOIs	https://doi.org/10.1080/10402000308982657
State	Published - Jan 1 2003

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

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AB - The paper proposes a rolling/sliding contact fatigue model for machine components in mixed lubrication undergoing cyclic loading. The model consists of two distinct components. The first is a full-scale mixed lubrication analysis of interacting rough surfaces, during which surface pressure distribution is calculated. The second is the computation of subsurface stresses and determination of fatigue life using the Zaretsky fatigue model. Numerical examples are presented for a variety of surfaces with different finishes. The model predictions confirm that surface roughness and texture have a significant impact on fatigue life.

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