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Development of YAG:Ce containing PEO coatings on aluminum alloys

Metallurgia Italiana, ISSN: 0026-0843, Vol: 113, Issue: 6, Page: 9-15
2021
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Article Description

Plasma Electrolytic Oxidation treatment (PEO) is of great interest due to its capability to produce a thick ceramic coating with a great adhesion and very high corrosion and wear resistance on metallic components. Mainly characteristics of these coatings are a high porosity in the outer part of the coating and the opportunity to incorporate into the coating particles coming from the electrolyte. The aim of this work was to realize on an aluminum substrate a PEO coating with an homogeneous distribution of phosphors (in the form of YAG:Ce particles) in order to ensure good thermal conductivity and photoluminescence. This is important in application as LED where it is required a big heat exchange. Moreover, it was evaluated the effect of pulsed current compared to direct current on particles distribution.

Bibliographic Details

Luca Pezzato; Alessio Giorgio Settimi; Marilù Calisi; Andrea Barduca; Alessandro Longato; Katya Brunelli; Alessandro Martucci; Manuele Dabalà

Physics and Astronomy; Engineering; Materials Science

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