Numerical study of sliding wear caused by a loaded pin on a rotating disc

Article


Yan, Wenyi, O'Dowd, Noel P. and Busso, Esteban P.. 2002. "Numerical study of sliding wear caused by a loaded pin on a rotating disc." Journal of the Mechanics and Physics of Solids. 50 (3), pp. 449-470. https://doi.org/10.1016/S0022-5096(01)00093-X
Article Title

Numerical study of sliding wear caused by a loaded pin on a rotating disc

ERA Journal ID5152
Article CategoryArticle
AuthorsYan, Wenyi (Author), O'Dowd, Noel P. (Author) and Busso, Esteban P. (Author)
Journal TitleJournal of the Mechanics and Physics of Solids
Journal Citation50 (3), pp. 449-470
Number of Pages22
Year2002
Place of PublicationOxford, United Kingdom
ISSN0022-5096
1873-4782
Digital Object Identifier (DOI)https://doi.org/10.1016/S0022-5096(01)00093-X
Abstract

A computational approach is proposed to predict the sliding wear caused by a loaded spherical pin contacting a rotating disc, a condition typical of the so-called pin-on-disc test widely used in tribological studies. The proposed framework relies on the understanding that, when the pin contacts and slides on the disc, a predominantly plane strain region exists at the centre of the disc wear track. The wear rate in this plane strain region can therefore be determined from a two dimensional idealisation of the contact problem, reducing the need for computationally expensive three dimensional contact analyses. Periodic unit cell techniques are used in conjunction with a ratchetting-based failure criterion to predict the wear rate in the central plane strain region. The overall three dimensional wear rate of the disc is then determined by scaling the plane strain wear rate with a conversion factor related to the predicted shape of the wear track. The approach is used to predict pin-on-disc test data from an AlSi coating using a tungsten carbide pin. The predicted results are found to be consistent with measured data.

Keywordswear and ablation; contact mechanics; elastic material; plastic; finite elements
ANZSRC Field of Research 2020401708. Tribology
401706. Numerical modelling and mechanical characterisation
401605. Functional materials
Public Notes

© 2002 Elsevier Science Ltd. All rights reserved. Published version deposited in accordance with the copyright policy of the publisher.

Byline AffiliationsImperial College London, United Kingdom
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