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Local CFRP/Metal Hybrid Material Improving Composite Bolted Joints

Fink, Axel und Kolesnikov, Boris und Stefaniak, Daniel und Hühne , Christian (2011) Local CFRP/Metal Hybrid Material Improving Composite Bolted Joints. ICCS16 - 16th International Conference on Composite Structures, 2011-06-28 - 2011-06-30, Porto, Portugal.

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Kurzfassung

One of the main methods currently used for joining composite components for aircraft and spacecraft applications is still mechanical fastening, which shows the advantage of reliability, detachability and inspectability and represents a well-established and well-known method from its origin in the design of metallic structures. However, to attain a satisfactory structural coupling efficiency with composite materials is much more challenging than it is for metals due to the low bearing and shear strengths, the higher notch sensitivity and the dependence on laminate configuration. These properties represent a limiting factor on the structural performance of composite structures and require additional special reinforcement techniques. One effective method of increasing the mechanical joint efficiency of highly loaded composite joints entails the reinforcement of the joining area with thin high-strength metal foils. These foils are locally embedded into the composite laminate by means of ply substitution techniques, thus avoiding any local laminate thickening and providing for a local hybrid laminate with high bearing and shear capabilities and high robustness. The local hybrid reinforcement technique is deemed an efficient approach to increase the joint efficiency of composite bolted joints, thus resulting in considerable mass savings, assembly work reductions and an increase of robustness. The present paper is intended to provide an overview about the mechanical performance and manufacturing of local hybrid CFRP/Ti and CFRP/St material as a reinforcement approach of highly loaded bolted joints highlighting some specific applications for aircraft and spacecraft structures.

elib-URL des Eintrags:https://elib.dlr.de/75335/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Local CFRP/Metal Hybrid Material Improving Composite Bolted Joints
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Fink, Axelaxel.fink (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Kolesnikov, Borisboris.kolenikov (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Stefaniak, Danieldaniel.stefaniak (at) dlr.dehttps://orcid.org/0000-0001-8192-7454NICHT SPEZIFIZIERT
Hühne , Christianchristian.huehne (at) dlr.dehttps://orcid.org/0000-0002-2218-1223NICHT SPEZIFIZIERT
Datum:28 Juni 2011
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Stichwörter:Composite Structures, Bolted Joints
Veranstaltungstitel:ICCS16 - 16th International Conference on Composite Structures
Veranstaltungsort:Porto, Portugal
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:28 Juni 2011
Veranstaltungsende:30 Juni 2011
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:Starrflügler (alt)
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L AR - Starrflüglerforschung
DLR - Teilgebiet (Projekt, Vorhaben):L - Strukturen & Werkstoffe (alt)
Standort: Braunschweig
Institute & Einrichtungen:Institut für Faserverbundleichtbau und Adaptronik > Funktionsleichtbau
Hinterlegt von: Stefaniak, Dr. Daniel
Hinterlegt am:30 Mär 2012 10:07
Letzte Änderung:24 Apr 2024 19:41

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