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Development of ECO-Friendly protection procedures for LANDing gear aluminium alloys

ECOLAND isan 18 months collaborative project within the 6th Call for Proposals (H2020-CS2-CFP06-2017-01) of the Clean Sky 2 Joint Undertaking, in the context of the Horizon 2020 programme. The aim of ECOLAND projectis to face the research of a suitable REACH compliant anaphoretic electrocoating treatment that can replace the currently used anodising + painting treatment for protection of Al 7000 series alloys in aeronautic applications. This anaphoretic electrocoating will allow a reduction of emissions, saving of coat and improvement of corrosion protection.

Total budget: 347.000,00  €

Duration: 2018/03/01 - 2019/08/31

The project

In this project, a development of an alternative treatment to chromic anodising based on anaphoresis that meets REACH standards is the main goal. Anaphoresis consists of applying an organic coating by immersion using electric current. It has the advantage of enabling painting without the need for preliminary priming. This makes it doubly interesting since it facilitates the reduction of application time (reducing production time by about 55 %) while replacing with a single coat two layers that usually contain Cr(VI) (substances with this element will be prohibited starting in 2024 to meet European REACH regulations), such as those produced by chromic anodising and the primers currently in use. The treatment developed in the course of the project will be mainly applied to series 7000 aluminium alloys, very often used in aeronautical applications, which require mechanical resistance. Such an improvement is expected to lengthen the useful life of the components treated by 25 % in comparison with traditional anodised and painted systems, and to reduce manufacturing costs by at least 30 %. Moreover, thanks to the new coating system, parts of more complex geometries can be treated, making it possible to design lighter landing gear.


This project spearheaded by CIDETEC also relies on the participation of LVH Coatings (United Kingdom) and CTME (Miranda de Ebro).

Our role

CIDETEC is responsible of the Project Coordination, as well as responsible of innovation activities on WP2 and WP3. CIDETEC is responsible for developing new pre-treatment process and adjusting the anaphoretic coating for Al 7000 series in WP3, and responsible for panels preparation in WP4. CIDETEC has equipped laboratories and is using a pilot plant with tanks up to 250 L of capacity and all necessary to carry out pre-treatments and anaphoretic coating processes. CIDETEC will alsotest and validate with CTME the demonstrators manufactured in LIEBHERR Aerospace. CIDETEC is participating in dissemination and exploitation activities, in both scientific and industrial fields.