Verlagslink DOI: 10.1016/j.compstruct.2025.119331
Titel: Friction influence on the Compression-After-Impact test response of thin-walled Carbon-Fibre-Reinforced-Plastics with buckling development
Sprache: Englisch
Autorenschaft: Olivares Ferrer, Aurelio Jose  
Linke, Markus 
Schlagwörter: buckling; carbon fibre reinforced plastics (CFRP); compression after impact (CAI) test; digital image correlation (DIC) system; fixture; mechanical testing; rupture line; thin-walled composites
Erscheinungsdatum: 6-Jun-2025
Verlag: Elsevier
Zeitschrift oder Schriftenreihe: Composite structures 
Zeitschriftenband: 370
Zusammenfassung: 
The impact damage to thin-walled Carbon-Fibre-Reinforced-Plastic (CFRP) components remains a critical concern in aircraft structures. Standardised Compression-After-Impact (CAI) test procedures, commonly involving 4 mm thick CFRP plates, are used to study the failure mechanisms of impact-damaged composite structures. However, these procedures do not consider the influence of imperfections and global buckling on thin-walled CFRP structures. This study focuses on the behaviour of 2.13 mm thick CFRP plates under CAI test loading, where global buckling develops, leading to increased loads carried by the knife-edge supports of the device (located at the unloaded plate sides, aligned with the compressive loading). The influence of friction between the knife-edges and the plate is investigated via Finite Element models and compared with experiments, revealing its influence on the buckling shape, failure load, and rupture of the plate. In summary, friction is a physical phenomenon that, contrary to the current state of the art, should be addressed for thin-walled CFRP in CAI testing when global buckling develops.
URI: https://hdl.handle.net/20.500.12738/17854
ISSN: 1879-1085
Begutachtungsstatus: Diese Version hat ein Peer-Review-Verfahren durchlaufen (Peer Review)
Einrichtung: Department Fahrzeugtechnik und Flugzeugbau 
Fakultät Technik und Informatik 
Dokumenttyp: Zeitschriftenbeitrag
Hinweise zur Quelle: article number: 119331
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