Hertzian Crack Propagation in Ceramic Rolling Elements

Waldemar Karaszewski

doi:10.4028/www.scientific.net/KEM.598.92

Paper Titles

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Magnetovision Method for Determining the Martensite Phase in the Austenite in Cylindrical and Spherical Objects as a Result of the Cyclic Loads
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Hertzian Crack Propagation in Ceramic Rolling Elements
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Application of Fictitious Radius to Fatigue Life Calculations of Bending Notched Specimens
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 598Hertzian Crack Propagation in Ceramic Rolling...

Hertzian Crack Propagation in Ceramic Rolling Elements

Abstract:

The properties of ceramics, specifically low density, high hardness, high temperature capability and low coefficient of thermal expansion are of most interest to rolling element manufacturers. The influence of ring crack size on rolling contact fatigue failure has been studied using numerical fracture analysis. Such cracks are very often found on ceramic bearing balls and decrease fatigue life rapidly. The numerical calculation are based on a three dimensional model for the ring crack propagation. The stress intensity factors along crack front are analyzed using a three-dimensional boundary element model. The numerical analysis is verified by experimental studies.

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Periodical:

Key Engineering Materials (Volume 598)

Pages:

92-98

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.598.92

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Online since:

January 2014

Authors:

Waldemar Karaszewski*

Keywords:

Ceramic Material, Crack Propagation, Numerical Analysis, Rolling Bearings

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