Internal Shear Stress Distribution and Subsurface Cracks of PPS Thrust Bearings under Rolling Contact Fatigue in Water

Syunsuke Mizozoe; Katsuyuki Kida

doi:10.4028/www.scientific.net/KEM.858.101

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 858Internal Shear Stress Distribution and Subsurface...

Internal Shear Stress Distribution and Subsurface Cracks of PPS Thrust Bearings under Rolling Contact Fatigue in Water

Abstract:

In this study, crack propagation in PPS thrust bearings under rolling contact fatigue (RCF) in water was observed, and relation between subsurface crack and internal shear stress parallel to the surface was investigated. It was found the cause of flaking was subsurface crack. They were evaluated in terms of contact stress and friction between their faces. It was discovered that subsurface cracks distributed around shear stress peak, and flaking failure was dominated by subsurface shear stress.

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Periodical:

Key Engineering Materials (Volume 858)

Pages:

101-105

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.858.101

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Online since:

August 2020

Authors:

Syunsuke Mizozoe, Katsuyuki Kida*

Keywords:

Crack, Polymer Bearing, PPS, Rolling Contact Fatigue, Tribology

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