Fatigue life analysis of composite joints using a wearout model

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TypeArticle
Proceedings title2nd Joint US-Canada Conference on Composites - American Society for Composites, 26th Annual Technical Conference: Canadian Association for Composite Structures and Materials
Conference2nd Joint US-Canada Conference on Composites - American Society for Composites, 26th Annual Technical Conference: Canadian Association for Composite Structures and Materials, 26 September 2011 through 28 September 2011, Montreal, QC
SubjectAircraft structure; Bolted composite joint; Composite case; Composite joint; Data fittings; Fatigue assessments; Fatigue data; Fatigue life analysis; Fatigue performance; Fitting parameters; S-N curve; Aircraft manufacture; Airframes; Curve fitting; Joints (structural components); Structure (composition); Fatigue of materials
AbstractThe fatigue performance of composite joints is one of the major concerns for the extensive application of composites in aircraft structures. Accurate assessment of the fatigue life behaviour is crucial and valuable to this end. A wearout model was used to characterize the fatigue life behaviour of composite joint structures. The fatigue data used were selected from the open literature. A data fitting tool, which could deal with small fatigue data sample cases, was developed. The tool could accurately replicate the fitting parameters for S-N curves of single-piece composite cases and was used to study the fatigue life behaviour of adhesively bonded and bolted composite joint cases. Recommendations are made for improving the fatigue assessment capability in composite joint structures using the wearout model.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Aerospace (AERO-AERO)
Peer reviewedYes
NPARC number21271303
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Record identifier1db5c903-c350-4cdc-8caf-cfad7bd16884
Record created2014-03-24
Record modified2016-05-09
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