Corrosion pillowing stresses in fuselage lap joints

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DOIResolve DOI: http://doi.org/10.2514/2.94
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TypeArticle
Journal titleAIAA Journal
ISSN0001-1452
Volume35
Issue2
Pages317320; # of pages: 4
Subjectaircraft; corrosion; finite element method; joints
AbstractFinite element techniques were used to determine the effect that pillwing, caused by the presence of corrission products, has on the stress in fuselarge lap joints. The stress caused byt he internal pressure and the riviring process were taken into account, and the fuselarge curvature was ignored. The results show that the joint stress increases as the following increases (i.e. material loss increases). It is shown that pillowing can significantly increase the stress in a lap for material loss below the detection limit of current nondestructive inspection techniques thus increasing the risk of present cracking.
Publication date
LanguageEnglish
AffiliationNRC Institute for Aerospace Research; National Research Council Canada
Peer reviewedYes
NPARC number21275967
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Record identifier25b3ed0b-5308-4ee7-ad9b-3fcac2ba4bf0
Record created2015-08-21
Record modified2016-05-09
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