Residual strength analysis of stiffened aluminum panels with widespread fatigue damage

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Residual strength analysis of stiffened aluminum panels with widespread fatigue damage

Residual strength analysis of stiffened aluminum panels with widespread fatigue damage

Zhong Li / Sen Ge / Lv, Guozhi / Li Chen / Ding, Huilang

Widespread fatigue damage (WFD) is an important concern of aging aircrafts. Residual strength of stiffened panels with widespread fatigue damage was evaluated by an engineering approach and a finite element method respectively. Nine stiffened panels with three types of damage were tested for their residual strength. The predictions are in good agreement with the experiment results and it is shown the methods could be used in an engineering practice for the residual strength evaluation with the acceptable accuracy. It can be seen from this research that WFD could result in significantly reduction in the residual strength of stiffened panels.

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Title :

Residual strength analysis of stiffened aluminum panels with widespread fatigue damage

Additional title:

Restspannungsanalyse von Aluminiumpaneelen mit breit gefächerten Ermüdungsschäden

Contributors:

Zhong Li (author) / Sen Ge (author) / Lv, Guozhi (author) / Li Chen (author) / Ding, Huilang (author)

Published in:

Advances in Fracture and Materials Behavior, FEOFS2007, International Conference on Fracture and Strength of Solids, 7 ; 291-295

Advanced Materials Research ; 33-37

Publication date :

2008

Size :

5 Seiten, 3 Bilder, 1 Tabelle, 9 Quellen

ISBN :

0-87849-399-9 , 978-0-87849-399-9

ISSN :

DOI :

https://doi.org/10.4028/www.scientific.net/AMR.33-37.291

Type of media :

Conference paper

Type of material :

Print

Language :

English

Keywords :

Versteifung , Materialermüdung , Schädigung , Restspannung (mechanisch) , Spannungsintensitätsfaktor , Finite-Elemente-Methode , Luftfahrzeug , Aluminium

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