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Fatigue evaluation and enhanced shear strain measurements of bonded composite joints

Löbel, Thomas and Sonnenberg, Heike and Holzhüter, Dirk and Hühne, Christian (2015) Fatigue evaluation and enhanced shear strain measurements of bonded composite joints. 10th International Conference on Composite Science and Technology, 02.-04. Sep. 2015, Lissabon, Portugal. ISBN 978-989-99424-2-4.

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In this study, the crack growth behavior and shear stress distribution under typical loading conditions is studied for a composite bonded joint. A novel approach of strain measurement is presented by using a high-resolution digital image correlation system (DIC) which allows detailed investigations of the shear strain distribution within the bondline. By testing 7 different load levels with 3 specimens each in fatigue the crack growth rates, the crack growth threshold and the Paris Law correlation are obtained for an aerospace epoxy adhesive.

Item URL in elib:https://elib.dlr.de/98382/
Document Type:Conference or Workshop Item (Speech)
Title:Fatigue evaluation and enhanced shear strain measurements of bonded composite joints
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Löbel, ThomasThomas.Loebel (at) dlr.deUNSPECIFIED
Sonnenberg, HeikeHeike.Sonnenberg (at) dlr.deUNSPECIFIED
Holzhüter, Dirkdirk.holzhueter (at) dlr.deUNSPECIFIED
Hühne, Christianchristian.huehne (at) dlr.deUNSPECIFIED
Date:2 September 2015
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Adhesive Bonding; Digital Image Correlation (DIC); Fatigue; Crack growth
Event Title:10th International Conference on Composite Science and Technology
Event Location:Lissabon, Portugal
Event Type:international Conference
Event Dates:02.-04. Sep. 2015
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Functional Lightweight Structures
Deposited By: Löbel, Thomas
Deposited On:05 Oct 2015 05:50
Last Modified:20 Jun 2021 15:46

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