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Investigation on damage tolerance behaviour of aluminium allays (IDA)

Project information

Grant agreement ID: G4RD-CT-2001-00629

  • Start date

    1 January 2002

  • End date

    30 June 2005

Funded under:

FP5-GROWTH

  • Overall budget:

    € 3 699 851

  • EU contribution

    € 2 049 999

Coordinated by:

AIRBUS DEUTSCHLAND GMBH

Germany

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

Coordinator

AIRBUS DEUTSCHLAND GMBH

Address

Huenefeldstrasse 1-5
28199 Bremen

Germany

Participants (13)

AIRBUS UK LIMITED

United Kingdom

EADS DEUTSCHLAND GMBH

Germany

GERMAN AEROSPACE CENTRE

Germany

GIE EADS CCR

France

GKSS - FORSCHUNGSZENTRUM GEESTHACHT GMBH

Germany

ISTRAM - INSTITUTE OF STRUCTURES AND ADVANCED MATERIALS

Greece

MATERIALS RESEARCH CENTRE

Italy

OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES

France

PECHINEY S.A.

France

QINETIQ LIMITED

United Kingdom

UNIVERSITA DEGLI STUDI DI SALERNO

Italy

UNIVERSITA POLITECNICA DELLE MARCHE

Italy

UNIVERSITY OF LIMERICK

Ireland

Project information

Grant agreement ID: G4RD-CT-2001-00629

  • Start date

    1 January 2002

  • End date

    30 June 2005

Funded under:

FP5-GROWTH

  • Overall budget:

    € 3 699 851

  • EU contribution

    € 2 049 999

Coordinated by:

AIRBUS DEUTSCHLAND GMBH

Germany

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