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Hybrid CFRP/titanium bolted joints: Performance assessment and application to a spacecraft payload adaptor

Fink, Axel and Camanho, P.P. and Andrés, J.M. and Pfeiffer, E. and Obst, A. (2010) Hybrid CFRP/titanium bolted joints: Performance assessment and application to a spacecraft payload adaptor. Composites Science and Technology, 70 (2), pp. 305-317. Elsevier. DOI: 10.1016/j.compscitech.2009.11.002 ISSN 0266-3538

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Official URL: http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%235571%232010%23999299997%231578541%23FLA%23&_cdi=5571&_pubType=J&_auth=y&_acct=C000007338&_version=1&_urlVersion=0&_userid=100058&md5=cd68e63234840ebbf88a00e7846f126f

Abstract

This paper presents an experimental investigation of the mechanical response and the industrial manufacturability of CFRP–titanium hybrid laminates using the example of a spacecraft payload adaptor. The local hybridization with metal within a bolted joint region of composite laminates is proven to be an effective method of increasing the mechanical joint efficiency of highly loaded bolted joints. Highstrength titanium 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 laminate with high bearing and shear capabilities. An extensive sample and component test program has been performed evaluating the impact of different design parameters and load conditions. The verification of the hybrid technique’s processability, inspectability and compatibility with a standard industrial fibre placement process has been successfully demonstrated through the manufacturing of a spacecraft payload adaptor featuring diverse applications of the hybridization technique.

Item URL in elib:https://elib.dlr.de/68647/
Document Type:Article
Title:Hybrid CFRP/titanium bolted joints: Performance assessment and application to a spacecraft payload adaptor
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Fink, AxelUNSPECIFIEDUNSPECIFIED
Camanho, P.P.DEMec, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, PortugalUNSPECIFIED
Andrés, J.M.EADS-CASA-Espacio, Avda. De Aragón 404, 28022 Madrid, SpainUNSPECIFIED
Pfeiffer, E.HPS GmbH, Christian-Pommer-Str. 34, 38112 Braunschweig, GermanyUNSPECIFIED
Obst, A.ESA-ESTEC, European Space Agency, Mechanical Engineering Dept., Keplerlaan 1, NL-2200 AG Noordwijk, The NetherlandsUNSPECIFIED
Date:February 2010
Journal or Publication Title:Composites Science and Technology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:70
DOI :10.1016/j.compscitech.2009.11.002
Page Range:pp. 305-317
Publisher:Elsevier
ISSN:0266-3538
Status:Published
Keywords:Hybrid composites, Structural composites, Mechanical properties, Joining, Mechanical fastening
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: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Functional Lightweight Structures
Deposited By: Ries, Doris
Deposited On:24 Jan 2011 11:52
Last Modified:26 Mar 2013 13:26

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