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Type: Conference paper
Title: Investigation of plasticity-induced fatigue crack closure
Author: Codrington, J.
Kotooussov, A.
Citation: Proceedings of the 5th Australasian Congress on Applied Mechanics (ACAM 2007) / Martin Veidt ... [et al.] (eds.):pp.127-132
Publisher: Engineers Australia
Publisher Place: CDROM
Issue Date: 2007
ISBN: 0858258625
Conference Name: Australasian Congress on Applied Mechanics (5th : 2007 : Brisbane, Australia)
Statement of
John Codrington and Andrei Kotousov
Abstract: Abstract: Plasticity induced crack closure and constraint effects due to finite plate thickness are both fundamental aspects in the mechanics of fatigue cracks. Moreover, plasticity induced crack closure provides an effective first-order correction to the crack driving force, as used in the correlation and prediction of fatigue crack growth. The approach developed in this study utilises the distributed dislocation technique to model fatigue cracks growing under constant amplitude loading in finite thickness plates. Numerical results are obtained through the application of Gauss-Chebyshev quadrature and are presented for the crack opening stress ratio. An excellent agreement is observed with previous three-dimensional finite element studies.
RMID: 0020076324
Description (link):
Published version:;dn=218688904680524;res=IELENG
Appears in Collections:Mechanical Engineering publications
Materials Research Group publications

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