Modelling the variation of friction in a self-lubricating composite bearing due to wear

Gay, Russell, Evans, Henry Peredur ORCID: https://orcid.org/0000-0002-6989-0190, Snidle, Raymond Walter ORCID: https://orcid.org/0000-0001-9333-7195 and Bell, A.T. 2013. Modelling the variation of friction in a self-lubricating composite bearing due to wear. Presented at: 68th STLE Annual Meeting & Exhibition, Detroit Marriott at the Renaissance Center Detroit, MI, USA, 5-9 May 2013.

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Abstract

The paper describes a numerical model for estimating the variation of the friction coefficient of a self lubricating bearing liner over its useful wear life. Self-lubricating bearings have been in widespread use since the mid-1950s, predominantly in the aerospace industry, where they have the advantage of being low maintenance components. They are predominantly used in relatively low speed, reciprocating applications such as control surface actuators, and usually consist of a spherical bearing with the inner and outer elements separated by a composite textile resin-bonded liner. A particular self-lubricating liner composition is analysed in this paper. A finite element model has been developed to predict the local stiffness of the liner at different states of wear. Results obtained using the model have then been used to predict the overall friction coefficient as it progresses due to wear. The predictions have been verified against rig tests of the liner material.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Completion
Status:	Unpublished
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Related URLs:	Organisation
Last Modified:	10 May 2024 11:15
URI:	https://orca.cardiff.ac.uk/id/eprint/48161

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