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Title: Residual stress effect on fatigue striation spacing in a cold-worked rivet hole
Authors: Matos, P. F. P. de 
Moreira, P. M. G. P. 
Pina, J. C. P. 
Dias, A. M. 
Castro, P. M. S. T. de 
Keywords: X-ray diffraction; Residual stress; Finite element analysis; Scanning electron microscopy; Striation spacing
Issue Date: 2004
Citation: Theoretical and Applied Fracture Mechanics. 42:2 (2004) 139-148
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.
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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