A COATED METALLIC SUBSTRATE

The present invention relates to a coated metallic substrate comprising at least a first coating consisting of aluminum, such first coating having a thickness below 5 µm and being directly topped by a second coating comprising from 0.5 to 5.9% by weight of magnesium, the balance being zinc. La prése...

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Bibliographische Detailangaben
Hauptverfasser:	CHALEIX, DANIEL, PACE, SERGIO, GAOUYAT, LUCIE, ALLELY, CHRISTIAN, SILBERBERG, ERIC
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The present invention relates to a coated metallic substrate comprising at least a first coating consisting of aluminum, such first coating having a thickness below 5 µm and being directly topped by a second coating comprising from 0.5 to 5.9% by weight of magnesium, the balance being zinc. La présente invention concerne un substrat métallique revêtu comprenant au moins un premier revêtement constitué d'aluminium, ledit premier revêtement ayant une épaisseur inférieure à 5 µm et étant directement surmonté d'un second revêtement comprenant de 0,5 à 5,9 % en poids de magnésium, le reste étant du zinc.