An Experimental and Analytical study of Fatigue Crack Shape Control by Cold Working

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dc.contributor.authorBrennan, Feargal P.
dc.contributor.authorNgiam, S. S.
dc.contributor.authorLee, C. W.
dc.date.accessioned2010-05-06T09:15:42Z
dc.date.available2010-05-06T09:15:42Z
dc.date.issued2008-02
dc.description.abstractThis paper presents an experimental and analytical study of crack shape evolution in steel specimens under cyclic loading. It is widely known that the introduction of compressive residual stresses by cold working the surface can be highly beneficial in improving the fatigue performance of structural components. Although it is recognised that relaxation of surface compressive residual stress can reduce the potential benefits, the effects of residual stress on crack shape evolution are often overlooked. A recently developed technique termed controlled stitch cold working, which applies differing intensities of compressive residual stress at specific regions in a structure, is shown in the paper to considerably influence fatigue crack propagation by containing crack propagation in one primary direction.en_UK
dc.identifier.citationF. P. Brennan, S. S. Ngiam and C. W. Lee, An Experimental and Analytical study of Fatigue Crack Shape Control by Cold Working, Engineering Fracture Mechanics, Volume 75, Issues 3-4 International Conference of Crack Paths, February-March 2008, Pages 355-363en_UK
dc.identifier.issn0013-7944
dc.identifier.urihttp://dx.doi.org/10.1016/j.engfracmech.2007.03.033
dc.identifier.urihttp://hdl.handle.net/1826/4403
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.subjectResidual stressen_UK
dc.subjectCrack shape controlen_UK
dc.subjectFatigueen_UK
dc.subjectSurface cracken_UK
dc.subjectCold rollingen_UK
dc.subjectRMS Stress intensity factorsen_UK
dc.titleAn Experimental and Analytical study of Fatigue Crack Shape Control by Cold Workingen_UK
dc.typeArticleen_UK

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