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Numerical Simulations and Experimental Investigations on Quasi-Static and Cyclic Mixed Mode Delamination of Multidirectional CFRP Laminates

Naghipour, Parya and Bartsch, Marion and Voggenreiter, Heinz (2012) Numerical Simulations and Experimental Investigations on Quasi-Static and Cyclic Mixed Mode Delamination of Multidirectional CFRP Laminates.

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Abstract

The structural applications of Carbon Fibre Reinforced Plastic (CFRP) composites are gradually expanding in aerospace industry as a result of their outstanding mechanical properties such as high stiffness to weight ratio and fatigue resistance. With the increasing application, the need for understanding their mechanical behaviour and failure mechanisms also rises. Interfacial cracking between layers or delamination is one of the most common failure types in laminated fibre-reinforced composites due to their relatively weak inter-laminar strengths. Typically, delamination failures initiate and propagate under mixed mode effect of normal and shear stresses. Therefore, mixed mode delamination failure in fibrous composites has been one of the major issues being studied extensively in recent years. In this scope, the development of predictive, reliable and robust numerical and experimental analysis tools for quasi-static or cyclic mixed mode delamination of CFRPs is the major focus of this work. Quasi-static and cyclic mixed mode delamination failure in multidirectional CFRP laminates are analyzed using fracture experiments and finite element (FE) simulations.

Item URL in elib:https://elib.dlr.de/79393/
Document Type:Proceedings
Title:Numerical Simulations and Experimental Investigations on Quasi-Static and Cyclic Mixed Mode Delamination of Multidirectional CFRP Laminates
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Naghipour, ParyaDLR WF (ENM)UNSPECIFIED
Bartsch, MarionDLR WF (ENM)UNSPECIFIED
Voggenreiter, HeinzDLR WFUNSPECIFIED
Date:23 September 2012
Open Access:No
In DOAJ:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Carbon Fibre Reinforced Plastic, Mixed Mode Delamination, Numerical Simulation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Experimental and Numerical Methods
Deposited By: Bartsch, Dr.-Ing. Marion
Deposited On:04 Dec 2012 10:14
Last Modified:04 Dec 2012 10:14

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