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Experimental and finite element characterization of the crippling failure of composite stiffeners
- Authors
- Kweon, J.-H.; Choi, S.-M.; Son, H.-J.; Choi, J.-Y.; Choi, J.-H.; Che, W.-S.
- Issue Date
- Dec-2005
- Publisher
- Trans Tech Publications Ltd.
- Keywords
- Composite; Crippling; Local buckling; Progressive failure; Stiffener
- Citation
- Key Engineering Materials, v.326-328 II, pp 1773 - 1776
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Key Engineering Materials
- Volume
- 326-328 II
- Start Page
- 1773
- End Page
- 1776
- ISSN
- 1013-9826
1662-9795
- Abstract
- Progressive failure analysis based on the complete unloading method was conducted to investigate the crippling failure of carbon/epoxy composite stiffeners under axial compression. A modified arc-length algorithm was incorporated into a nonlinear finite element method to trace the equilibrium path after local buckling. For the validation of the finite element method, several carbon/epoxy Z-section stiffeners were tested in compression. The finite element results on the buckling and crippling stresses showed good agreement with the experimental results.
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