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DEGRADATION ANALYSIS OF FIBRE-METAL LAMINATES UNDER SERVICE CONDITIONS TO PREDICT THEIR DURABILITY

Viandier, Aurélie and Cramer, Jonathan and Stefaniak, Daniel and Schröder, Daniel and Krewer, Ulrike and Hühne, Christian and Sinapius, Michael (2015) DEGRADATION ANALYSIS OF FIBRE-METAL LAMINATES UNDER SERVICE CONDITIONS TO PREDICT THEIR DURABILITY. [Other]

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Abstract

Fibre-Metal Laminate (FML) is an advanced material expected to possess improved mechanical properties than its sole constituents. Yet, only few studies focus on its durability. Thus, the aim of this study is to analyse the corrosion behaviour of FMLs based on carbon fibre composite (CFRP) and stainless steel (SST) in a sodium chloride solution. To fulfil this purpose, potentiodynamic polarisation and electrochemical impedance spectroscopy (EIS) were utilized. It has been observed that, as FML, the carbon composite and the stainless steel would effectively form a galvanic cell that facilitates the composite acting as a cathode and the stainless steel as an anode. Moreover, galvanic corrosion is accompanied by pitting corrosion of the stainless steel electrode. Also the impedance data recorded can quantify the polarisation resistance of the materials, whereas the polarisation technique is more appropriate to measure the galvanic couple current density and the couple potential of a CFRP/stainless-steel-hybrid laminate. Accordingly, carrying out both electrochemical methods is a powerful approach to predict the galvanic corrosion behaviour of FMLs under service.

Item URL in elib:https://elib.dlr.de/102131/
Document Type:Other
Title:DEGRADATION ANALYSIS OF FIBRE-METAL LAMINATES UNDER SERVICE CONDITIONS TO PREDICT THEIR DURABILITY
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Viandier, Aurélieviandier.aurelie (at) dlr.deUNSPECIFIED
Cramer, JonathanONERA FranceUNSPECIFIED
Stefaniak, Danieldaniel.stefaniak (at) dlr.deUNSPECIFIED
Schröder, DanielTU BraunschweigUNSPECIFIED
Krewer, UlrikeTU BraunschweigUNSPECIFIED
Hühne, Christianchristian.huehne (at) dlr.deUNSPECIFIED
Sinapius, MichaelTU BraunschweigUNSPECIFIED
Date:December 2015
Journal or Publication Title:UPB Scientific Bulletin, Series B: Chemistry and Materials Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
ISSN:14542331
Status:Published
Keywords:Fibre Metal Laminates, Corrosion, Degradation, Steel, CFRP
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
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Functional Lightweight Structures
Deposited By: Stefaniak, Daniel
Deposited On:14 Jan 2016 12:36
Last Modified:26 Sep 2017 12:11

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