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FP5

NANOMAG Sintesi della relazione

Project ID: G1RD-CT-2002-00692
Finanziato nell'ambito di: FP5-GROWTH
Paese: Switzerland

Plasma-assisted physical vapour deposition (PAPVD) of silicon oxide (SiOx) coatings on Mg alloys

Thin films of SiO2 have been deposited on AZ91D (as cast, sand blast and machined) and AZ31 (rolled and machined) magnesium alloys substrates by PA-PVD process using SiO2 target at different experimental parameter. The deposited films have been tested for adhesion (measured by scratch test), hardness (measured by Nanohardness tester). The microstructure and elemental composition were evaluated. The corrosion measurements of the SiO2 films by PA-PVD indicated that the AZ91D machined samples have no pitting on the surface after 96h exposure to slat spray test compared to the as cast and sand blast samples.

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Daniel MOREL
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