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Elsevier, Theoretical and Applied Fracture Mechanics, 2(42), p. 139-148

DOI: 10.1016/j.tafmec.2004.08.003

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Residual stress effect on fatigue striation spacing in a cold-worked rivet hole

Journal article published in 2004 by P. F. P. de Matos, P. M. G. P. Moreira ORCID, J. C. P. Pina, A. M. Dias, P. M. S. T. de Castro
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The residual stress effect due to cold-working is studied in relation to fatigue striation spacing. Cold-working introduces a compressive stress field around the hole reducing the tendency for fatigue cracks to initiate and grow under cyclic mechanical loading. It is known that fatigue lifetime assessment requires a detailed knowledge of the residual stress profile. X-ray diffraction and 3D finite element analysis (FEA) can be used to determine the residual stress profile. Scanning electron microscopy (SEM) measurements were performed for measuring the striation spacing.