Effects of fatigue on the integrity OFA frcition stir welded lap joint containing residual stresses

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DOIResolve DOI: http://doi.org/10.4028/www.scientific.net/AMR.996.794
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TypeArticle
Proceedings titleAdvanced Materials Research
Conference9th European Conference on Residual Stresses, ECRS 2014, 7 July 2014 through 10 July 2014, Troyes
ISSN1022-6680
ISBN9783038351535
Volume996
Pages794800; # of pages: 7
SubjectFatigue of materials; Fatigue testing; Fracture mechanics; Joints (structural components); Neutron diffraction; Nondestructive examination; Stringers; Welding; Crack nucleation; Fatigue performance; Friction stir; Lap joint; Structural failure; Tri-axial; Residual stresses
AbstractThis research uses a non-destructive method of neutron diffraction to measure the tri-axial residual stresses in a friction stir welded aerospace fuselage component: a stringer-to-skin lap joint. Two different specimens were examined. Fatigue testing was performed on both specimens to determine their fatigue lives. Effects of the different components of residual stresses were examines and related to fatigue performance. A combination of fractography, hardness testing, and residual stress measurement was used to predict areas of high probability of structural failure in the friction stir welded lap joints.
Publication date
PublisherTrans Tech Publications
LanguageEnglish
AffiliationNational Research Council Canada; Aerospace
Peer reviewedYes
NPARC number21272618
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Record identifier06eb4716-4c95-4046-97f6-7e05e2b9ba5e
Record created2014-12-03
Record modified2016-05-09
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