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Quality assurance concepts for adhesive bonding of aircraft composite structures by advanced NDT

Quality assurance concepts for adhesive bonding of aircraft composite structures by advanced NDT

Objective

The integration of innovative lightweight materials like CFRP into multi-material design (MMD) environments in aeronautic applications brings along a paradigm shift in initial design, manufacturing and in maintenance, repair and overhaul (MRO). Essential cost reductions over the whole aircraft lifecycle demand innovative processes meeting the specific requirements of MMD in general and specifically of CFRP. The certification of (structural) adhesive bonding marks a key step for full integration of CFRP, as adhesive bonding is the optimum CFRP joining technology.

As yet difficulties in predicting and assessing the bond quality by non-destructive testing limit certification of adhesive bonding technologies and subsequently their usage in aeronautic applications.

ComBoNDT aims at overcoming these limitations by further development and maturation of extended non-destructive testing (ENDT) methods suitable for pre- and post-bond inspection of adherend surfaces and adhesively bonded joints.

The ComBoNDT approach is threefold:

- reliable and reproducible detection of undefined and/or multiple contaminations on surfaces prior bonding, triggering surface cleaning and activation measures,
- reliable and reproducible detection of poor bond quality, triggering appropriate repair actions,
- improvements in robustness of methods addressing the requirements of in-line inspection in both aircraft manufacturing and MRO environments.

Time savings of up to 70 % and cost savings of up to 50 % in related production, MRO and retrofit processes are expected from the application of ENDT technologies resulting from ComBoNDT.

ComBoNDT addresses relevant levels of technology and of manufacturing readiness. ComBoNDT will contribute to implementation of safe, cost- and time-efficient adhesive bonding technologies and to reducing production and MRO costs.
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Coordinator

FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Address

Hansastrasse 27c
80686 Munchen

Germany

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 797 621,25

Participants (13)

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INSTYTUT MASZYN PRZEPLYWOWYCH IM ROBERTA SZEWALSKIEGO POLSKIEJ AKADEMII NAUK - IMP PAN

Poland

EU Contribution

€ 314 000

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

France

EU Contribution

€ 344 206

AERNNOVA COMPOSITES ILLESCAS SA

Spain

EU Contribution

€ 367 250

AGENZIA NAZIONALE PER LE NUOVE TECNOLOGIE, L'ENERGIA E LO SVILUPPO ECONOMICO SOSTENIBILE

Italy

EU Contribution

€ 398 125

PANEPISTIMIO PATRON

Greece

EU Contribution

€ 454 375

AIRBUS DEFENCE AND SPACE GMBH

Germany

EU Contribution

€ 451 500

EASN TECHNOLOGY INNOVATION SERVICES BVBA

Belgium

EU Contribution

€ 99 375

GMI AERO SAS

France

EU Contribution

€ 304 500

AIRBUS DEFENCE AND SPACE LTD

United Kingdom

EU Contribution

€ 137 110

AUTOMATION WR GMBH

Germany

EU Contribution

€ 259 987,50

COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

France

EU Contribution

€ 339 130

AIRBUS

France

EU Contribution

€ 350 046

AIRBUS GROUP SAS

France

Project information

Grant agreement ID: 636494

Status

Closed project

  • Start date

    1 May 2015

  • End date

    30 April 2018

Funded under:

H2020-EU.3.4.

  • Overall budget:

    € 4 617 226,25

  • EU contribution

    € 4 617 225,75

Coordinated by:

FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Germany