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Fatigue crack shielding in plain bearings under large scale yielding

Burke-Veliz, A., Syngellakis, S. and Reed, P.A.S. (2010) Fatigue crack shielding in plain bearings under large scale yielding Engineering Failure Analysis, 17, (3), pp. 648-657. (doi:10.1016/j.engfailanal.2009.03.032).

Record type: Article


Multi-layered bearing systems used in the automotive industry show shielding and antishielding effects that reduce or amplify the crack driving force under large-scale yielding conditions. Using finite element analysis, it is shown that shielding in such systems results in path deflection and bifurcation despite the absence of mixed-mode loading. As the crack approaches a stiff layer, the tangential strains measured around a blunted crack tip model show a maximum corresponding to the direction of crack propagation. The distribution of such strains indicates the effect of shielding and the likelihood of the tip to deflect or bifurcate.
The suitability of bi-layer and tri-layer bearing architectures is assessed through crack path and respective crack driving force predictions

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Submitted date: 18 December 2008
Published date: April 2010
Keywords: crack growth, surface layers, bearing failure, automotive design


Local EPrints ID: 73402
ISSN: 1350-6307
PURE UUID: 7d531087-6cfa-485e-8ba1-c37e66acd486
ORCID for P.A.S. Reed: ORCID iD

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Date deposited: 09 Mar 2010
Last modified: 18 Jul 2017 23:50

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Author: A. Burke-Veliz
Author: S. Syngellakis
Author: P.A.S. Reed ORCID iD

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