Objectif Electrochemical corrosion monitoring techniques and accelerated corrosion test methods for aluminium alloys have been studied. In one part of the programme, innovative corrosion measurement techniques were applied. In this context the aim was to obtain new information about corrosion environments and mechanisms. The electrochemical techniques have been found to be useful in speeding up characterisation of material and coating performance during corrosion testing. Experienced personnel is required to assess and evaluate the electrochemical data. Hydrogen diffusion coefficients were determined in different aluminium alloys by means of permeation techniques for mechanistic studies on stress corrosion cracking (SCC).The other part involved the improvement and development of standard corrosion tests to be applied in material release and material selection as a matter of routine. The applicability, feasibility and reliability of current standard corrosion test methods were evaluated. The aim was to identify unsuitable methods, to recommend improvements and to develop new testing procedures where appropriate. The exfoliation corrosion test (EXCO) and intermittent acetic acid salt-spray test (MASTMAASIS) were found to be unreliable. Further improvement of the EXCO test has not yet proved successful. The results obtained from stress corrosion testing under alternate immersion conditions revealed that environmental control during testing is essential to obtain reproducible results. By means of the breaking load method, a ranking for SCC sensitivity can be obtained after only one week of testing.Techniques have been developed and optimised to determine the involvement of microorganisms in the corrosion of aluminium fuel tank structures and general atmospheric corrosion. The significance of microbiologically induced corrosion in general corrosion in aircraft was outlined. The corrosion promoting effects of certain groups of microorganisms were demonstrated under laboratory conditions.The results achieved will be exploited in the areas of corrosion testing techniques, maintenance of aircraft structures and for defining standards for corrosion test methods for aluminium alloys. Champ scientifique natural scienceschemical scienceselectrochemistryengineering and technologymechanical engineeringvehicle engineeringaerospace engineeringaircraftnatural scienceschemical sciencesinorganic chemistrypost-transition metalsengineering and technologymaterials engineeringcoating and filmsengineering and technologyenvironmental engineeringenergy and fuels Programme(s) FP2-BRITE/EURAM 1 - Specific research and technological development programme (EEC) in the fields of industrial manufacturing technologies and advanced materials applications (BRITE/EURAM), 1989-1992 Thème(s) Data not available Appel à propositions Data not available Régime de financement Data not available Coordinateur Messerschmitt-Bölkow-Blohm GmbH (MBB) Contribution de l’UE Aucune donnée Adresse 8000 MÜNCHEN Allemagne Voir sur la carte Coût total Aucune donnée Participants (4) Trier par ordre alphabétique Trier par contribution de l’UE Tout développer Tout réduire Aérospatiale Société Nationale Industrielle SA France Contribution de l’UE Aucune donnée Adresse 37 boulevard de Montmorency 75781 Paris Voir sur la carte Coût total Aucune donnée British Aerospace Defence Ltd Royaume-Uni Contribution de l’UE Aucune donnée Adresse Warton Aerodrome PR4 1AX Preston Voir sur la carte Coût total Aucune donnée Fokker Aircraft BV Pays-Bas Contribution de l’UE Aucune donnée Adresse Hoogoorddreef 15 1100 AE AMSTERDAM Voir sur la carte Coût total Aucune donnée GERMAN AEROSPACE CENTRE Allemagne Contribution de l’UE Aucune donnée Adresse Linder Höhe 51147 KOELN Voir sur la carte Liens Site web Opens in new window Coût total Aucune donnée