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Investigation on damage tolerance behaviour of aluminium allays (IDA)

Objective

Modern transport aircraft are designed for high efficiency and long service lives, resulting in heavy loaded structures. This application requires damage tolerant materials with low crack propagation rates. Recently improved alloys have been developed, enabling also new joining technologies like laser beam welding. These materials reveal a lack of understanding of the microstructure-crack growth relationship, existing for the well-known alloy 2024. This missing knowledge will be attained in this project by comprehensive material characterization to identify the complex fatigue and fracture relevant microstructure-crack growth relationship. Thorough fatigue crack propagation testing and complementary examination on crack surface morphology, plastic zone and crack closure effects will be performed. Based on the attained knowledge prediction models will be established and verified. Recommendations for optimisation of microstructures will be derived. This specific information will allow optimised application of the recently developed damage tolerant materials and laser beam welding technology, consequently improving Aircraft Efficiency

Call for proposal

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Coordinator

AIRBUS DEUTSCHLAND GMBH
Address
Huenefeldstrasse 1-5
28199 Bremen
Germany

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Participants (13)

AIRBUS UK LIMITED
United Kingdom
Address
New Filton House, Filton
Bristol

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EADS DEUTSCHLAND GMBH
Germany
Address
Willy-messerschmitt-strasse
81663 Muenchen

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GERMAN AEROSPACE CENTRE
Germany
Address
Linder Hoehe
51147 Koeln

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GIE EADS CCR
France
Address
Rue Pasteur 12
92152 Suresnes

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GKSS - FORSCHUNGSZENTRUM GEESTHACHT GMBH
Germany
Address
Max Planck-strasse 1
21502 Geesthacht

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ISTRAM - INSTITUTE OF STRUCTURES AND ADVANCED MATERIALS
Greece
Address
Patron- Athinon 57
26441 Patras

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MATERIALS RESEARCH CENTRE
Italy
Address
Via Di Castel Romano 100/102
00128 Roma

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OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES
France
Address
29,Avenue De La Division Leclerc 29
92322 Chatillon

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PECHINEY S.A.
France
Address
Place Du Chancelier Adenauer 7
75016 Paris

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QINETIQ LIMITED
United Kingdom
Address
85 Buckingham Gate
London

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UNIVERSITA DEGLI STUDI DI SALERNO
Italy
Address
Via Ponte Don Melillo 1
84084 Fisciano

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UNIVERSITA POLITECNICA DELLE MARCHE
Italy
Address
Piazza Roma 22
60100 Ancona

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UNIVERSITY OF LIMERICK
Ireland
Address
National Technological Park
61 Limerick

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