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RE-INTEGRA

-Project start date: July 1st 2020

-Duration: 34 months (2020-2023)

-Total cost: 349.862,50 €

The project

The REINTEGRA Project focuses on development of dismantling and recycling procedures for integral welded panels, that are under development for new lightweight and cost-effective aircraft structures within the Eco-Design for Airframe (EDA) activity in the Clean Sky programme. This project will investigate different cutting strategies, ranging from cutting only for size reduction to full separation of all materials, and determine their influence on recyclability of 3rd generation of Al-Li alloys. Furthermore, the need to eliminate primer and topcoats and different decoating methods will be investigated.

The separated metallic fractions will be processed in a pilot melting facility and the produced metallic alloys characterised in order to establish a ranking in terms of costs, environmental impact and effectivity, that allows to select the best option for recycling Laser Beam Welded (LBW) and Friction Stir Welded (FSW) panels.

Also, a recycling compatibility tool (software) will be developed to determine compatibility of different Al-Li alloys, filler material and coatings. First, the theoretical composition of mixed materials per weld length will be calculated and then, this composition will be corrected with experimental data from remelting tests regarding element fading/enrichment. The results will be compared with commercial alloys and the recycling compatibility with primary alloys estimated. The aim is to valorize as much as possible of the valuable alloying elements.

The proposed new procedures for dismantling and recycling will be tested both, at coupon level and at live panel dismantling experiment, in which materials will be identified, sorted and pre-treated. The separated metallic fractions will be processed in a pilot melting facility and the produced metallic alloys characterised. Materials and energy flows, emissions and waste generation will be inventoried during the new End of Live process tested and provided to TM for the Life Cycle Assessment (LCA)

Partnership.

• Coordination: FUNDACIÓN AZTERLAN
• Topic Management: AERO MAGNESIUM, LORTEK S.COOP
• Partners:
   FUNDACION CIDETEC
   SOCIETE NATIONALE DE CONSTRUCTION AEROSPATIALE SONACA SA


Our role.

The main role of CIDETEC within REINTEGRA project is the development and implementation of chemical and mechanical (blasting) methods for decoating welded coupons and panelsproduced by LBW and FSW, using several Al-Li alloys. This will allow the consortium to investigate the effect of eliminating surface treatments, primers and topcoats on the recyclability of Al-Li alloys designed to be used in aircraft fuselage parts. Among other activities, CIDETEC leads WP2 focused on the development of scrapping methodologies and Task 7.1 (Technology watch). CIDETEC is also involved in the LCA activities in WP6, collecting data about the decoating processes.

Innovative End of Life procedures for REcycling INTEGRAl welded Al-Li Aerostructures

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