2011
DOI: 10.1016/j.eswa.2010.06.102
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Artificial neural networks solution to display residual hoop stress field encircling a split-sleeve cold expanded aircraft fastener hole

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Cited by 10 publications
(11 citation statements)
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“…Researches so far have confirmed that the traditional FTI split-sleeve cold expansion technique unavoidably introduces asymmetric three-dimensional compressive residual stresses along the planar and through thickness directions around the hole [60,61]. As the residual compressive stresses induced on the entry side of the mandrel passage is somewhat less and so weak than that of at the mid-section and the exist side of the mandrel, typically a new crack can initiate at the opposite outlet side of the hole only after an initial fatigue crack at the inlet side has grown to a number of millimeters [79].…”
Section: Redistribution Of Residual Stress Fields During Fatiguementioning
confidence: 99%
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“…Researches so far have confirmed that the traditional FTI split-sleeve cold expansion technique unavoidably introduces asymmetric three-dimensional compressive residual stresses along the planar and through thickness directions around the hole [60,61]. As the residual compressive stresses induced on the entry side of the mandrel passage is somewhat less and so weak than that of at the mid-section and the exist side of the mandrel, typically a new crack can initiate at the opposite outlet side of the hole only after an initial fatigue crack at the inlet side has grown to a number of millimeters [79].…”
Section: Redistribution Of Residual Stress Fields During Fatiguementioning
confidence: 99%
“…As aforementioned this method is called as the combined step-drilling and Fourier series solution (ATÖzdemir method) [40,41,60,61]. The validity of this method was previously approved by neutron diffraction [29,31,39,40,41] and synchrotron methods [45] and recently Artificial Neural Networks (ANN) solutions [60,61].…”
Section: Three-dimensional Analysis By Step Drilling Methodsmentioning
confidence: 99%
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“…In the recent past, ANNs have been extensively used to solve non-linear problems in materials engineering [17], [18] and [19]. In this study, Multilayer ANNs [20] are applied to predict through-thickness residual stress profiles in circumferentially welded austenitic stainless steel pipes using experimental data for training, previously reported in [12].…”
Section: Methodsmentioning
confidence: 99%