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Fibre reinforced metal laminate and CFRP fuselage concepts

Objective

The application of advanced materials in fuselage structures is seen as an important contribution to increase the composite content in aircraft structures. This will have an advantageous effect on the structural weight of the aircraft and consequently on the Direct Operating Costs. Fuel saving and reduction of pollution are further benefits. This program endeavors to investigate the viability of using advanced material for fuselage constructions and further to minimize the technological risks by delineating and solving general and specific fuselage related problems. Studies both on metal laminate and CFRP fuselage concepts will be performed.
This programme successfully achieved investigation of the viability of using advanced materials for fuselage constructions and further minimization of the technological risks by delineating and solving general and specific fuselage related problems.

Studies on both Fibre Metal Laminates (FML) and CFRP fuselage concepts were performed to give definition to the structural concepts which were developed.

Structural concepts, or so called building blocks, were developed and tested to correlate experimental and design data. For the testing of building blocks dedicated test rigs have been used.

Dedicated stress methods were developed and validated against test results. Furthermore, fundamental knowledge is built up on mechanical properties, manufacturing processes and durability.
Principal objectives

1. Trade of studies for different structural concepts in the design of fibre metal laminate structures and CFPR structures.
2. To define critical items and requirements for composite fuselage structures, by establishing a preliminary specification. Preliminary structural design alternatives will be developed.
3. To define fuselage concepts with reduced fuselage weight by 20% and improved damage tolerance properties.
4. To develop basic fundamental knowledge on fibre metal laminates and CFRP materials.
5. To develop tailored analysis and prediction methods for biaxial fibre reinforced metal laminates.

Technical approach

The project is structured in three principal research areas:

1. The development of fundamental knowledge on material properties and manufacturing technics. The accent will be on experimental work with some prediction development work to correlate theoretical and experimental data.
2. The development of structural concepts for both metal laminate and CFRP Fuselage Concepts. Relevant parts will be designed and calculated. Components will be built and tested. Most promising concepts will be further optimized.

3. Relevant analysis and prediction methods will be developed for metal laminates. The validity of the stress, buckling and crack growth methods will be correlated with test results coming from dedicated coupons and components.

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

Fokker Aircraft BV
Address

1117 ZJ Schiphol Oost
Netherlands

Participants (16)

AEROSPATIALE MATRA SA
France
Address
Boulevard De Montmorency 37
75781 Paris
Aermacchi SpA
Italy
Address
Via Sanvito 80
21100 Varese
Alenia Aerospazio - Un' Azienda Finmeccanica SpA
Italy
Address
Viale Dell'aeronautica 1
80038 Pomigliano D'arco
BRITISH AEROSPACE AIRBUS LTD.
United Kingdom
Address
New Filton House
BS99 7AR Bristol - Filton
British Aerospace Regional Aircraft Ltd
United Kingdom
Address
Chester Road
SK7 1QR Stockport
DASSAULT AVIATION S.A.
France
Address
Quai Marcel Dassault 78
92552 Saint Cloud
DELFT UNIVERSITY OF TECHNOLOGY
Netherlands
Address
1,Kluyverweg 1
2600 GB Delft
Daimler-Benz AG
Germany
Address

81663 München
Daimler-Benz Aerospace Airbus GmbH
Germany
Address
Hünefeldstraße 1-5
28199 Bremen
Defence Evaluation and Research Agency (DERA)
United Kingdom
Address
Pyestock
GU14 0LS Farnborough
Dornier Luftfahrt GmbH
Germany
Address
An Der Bundesstraße 31
88039 Friedrichshafen
EADS - CONSTRUCCIONES AERONAUTICAS S.A.
Spain
Address
S/n,avenida John Lennon S/n
28906 Getafe
INTEGRATED AEROSPACE SCIENCES CORPORATION O.E.
Greece
Address
7,Agias Glikerias St. 7
111 47 Athens
STICHTING NATIONAAL LUCHT- EN RUIMTEVAART LABORATORIUM
Netherlands
Address
Voorsterweg 31
8300 AD Emmeloord
Swinden Technological Centre
United Kingdom
Address
1,Moorgate
S60 3AR Rotherham
TECHNISCHE UNIVERSITAET BRAUNSCHWEIG
Germany
Address
Hermann-blenk-strasse 35
38108 Braunschweig