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Investigation of failure mechanisms in L-angle composite laminates

Highly curved composites such as L-angle composite laminates, used at the junction between two perpendicular panels experience unfolding failure. These laminates are typically used in critical components such as aircraft wing spars, hence understanding of their failure mechanisms becomes crucial. Unfolding failure is typically associated with the interlaminar stresses, eventually leading to sudden delamination, in the curved sections when they are loaded under an opening bending moment. However, depending on the stacking sequences, failure mechanisms experienced in curved composite laminates, may have different causes. This study addresses the two prominent failure mechanisms occurring in L-shaped composite beams.

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Universitat de Girona. Grup de Recerca en Anàlisi i Materials Avançats per al Disseny Estructural (AMADE)

Author: Bushpalli, Sindhu
Date: 2023 May 31
Abstract: Highly curved composites such as L-angle composite laminates, used at the junction between two perpendicular panels experience unfolding failure. These laminates are typically used in critical components such as aircraft wing spars, hence understanding of their failure mechanisms becomes crucial. Unfolding failure is typically associated with the interlaminar stresses, eventually leading to sudden delamination, in the curved sections when they are loaded under an opening bending moment. However, depending on the stacking sequences, failure mechanisms experienced in curved composite laminates, may have different causes. This study addresses the two prominent failure mechanisms occurring in L-shaped composite beams.
7225.mp4 7225.mp3
9
Format: audio/mpeg
video/mp4
Document access: http://hdl.handle.net/10256.1/7225
Language: eng
Publisher: Universitat de Girona. Grup de Recerca en Anàlisi i Materials Avançats per al Disseny Estructural (AMADE)
Collection: CompTest 2023
Rights: Attribution-NonCommercial-ShareAlike 4.0 International
Rights URI: http://creativecommons.org/licenses/by-nc-sa/4.0/
Subject: Assaigs de materials -- Congressos
Materials -- Testing -- Congresses
Resistència de materials -- Congressos
Strength of materials -- Congresses
Plàstics reforçats amb fibra de carboni -- Congressos
Carbon fiber-reinforced plastics -- Congresses
Mecànica de fractura -- Congressos
Fracture mechanics -- Congresses
Materials compostos -- Fractura -- Congressos
Composite materials -- Fracture -- Congresses
Materials laminats -- Congressos
Laminated materials -- Congresses
Title: Investigation of failure mechanisms in L-angle composite laminates
Type: info:eu-repo/semantics/lecture
Repository: DUGiMedia

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