SEALANT
Financiado
Optimization and scale up of final sealing of Sulfuric Acid Anodizing employing...
Optimization and scale up of final sealing of Sulfuric Acid Anodizing employing Design of Experiments.
Chromic Acid anodizing (CAA) of aluminium parts has been extensively used during decades in aircraft manufacturing thanks to its excellent performance. However, hexavalent chromium is known to be carcinogenic and harmful for the e...
Chromic Acid anodizing (CAA) of aluminium parts has been extensively used during decades in aircraft manufacturing thanks to its excellent performance. However, hexavalent chromium is known to be carcinogenic and harmful for the environment.
The main objective of the topic to which the present proposal relates is to optimize a Chromium-free sealing process for thin layer Sulfuric Acid Anodizing (SAA) as eco-friendly alternative to CAA for aluminium unpainted parts.
In the present Project, a statistical approach based on Design of Experiment (DoE) and Analysis of Variance (ANOVA) will be used to optimize two sealing solutions, one previously studied by the Topic Manager and one to be proposed by the Cosortium.
The optimization will be performed firstly at laboratory scale for AA2024 taking into consideration corrosion resistance in Salt Spray Test (SST), economic and ecological aspects. In parallel, the mechanism of corrosion protection will be proposed and the stability against contaminant and ageing of the solutions will be assessed. Secondly, still at laboratory scale, the optimized process will be implemented to other aluminium alloys, performing adaptations or modifications if necessary.
Afterwards, the two sealing processes will be scaled-up employing a pilot plant. In case problems arise, the lab-scale and pilot-scale studies will be iterated. Finally, the sealing processes will be implemented in an industrial scale and demonstrators will be processed.
The characterization of samples and demonstrator will include SST, weight and thickness of anodic layer; Contact Angle Measurements (CAM), Electrochemical Impedance Spectroscopy (EIS), X-Ray Diffraction (XRD), Scanning Electron Microscopy coupled with X-ray Energy Dispersive Spectroscopy (SEM-EDS) and Focused Ion Beam (SEM-FIB). Additional techniques are considered as well in case they are useful.
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Duración del proyecto: 24 meses
Fecha Inicio: 2016-06-09
Fecha Fin: 2018-06-30
Fecha Fin: 2018-06-30
Línea de financiación: concedida
El organismo H2020 notifico la concesión del proyecto el día 2018-06-30
Línea de financiación objetivo
El proyecto se financió a través de la siguiente ayuda:
Presupuesto
El presupuesto total del proyecto asciende a
327K€
Líder del proyecto
TITANIA ENSAYOS Y PROYECTOS INDUSTRIALES
A) laboratorio de ensayos para el control de calidad de elementos metalicos y no metalicos. b) desarrollo de proyectos de investigacion de i...
Perfil tecnológico
TRL
4-5
5M
Perfil tecnológico
TRL
4-5
5M