PROCESS FOR THE PREPARATION OF A COATED SUBSTRATE, COATED SUBSTRATE, AND USE THEREOF

The invention relates to a process for preparing a substrate with a multizone metallic coating comprising the steps of heating a metallic material optionally comprising a metallic outer layer having a different composition than said metallic material, to a temperature T1, depositing a coating of alu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUZMANOVIC, BORIS, OBERHAUSER, SIMON, BOROVIK, ALEXANDER SERGEEVICH, LUTTMER, ARTHUR ROBERT, HELLER, JOERG, DEAVENPORT, DENNIS LEON
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 invention relates to a process for preparing a substrate with a multizone metallic coating comprising the steps of heating a metallic material optionally comprising a metallic outer layer having a different composition than said metallic material, to a temperature T1, depositing a coating of aluminium, magnesium, and/or zinc, and cooling down to a temperature T2 and continuing the deposition. It furthermore relates to a substrate with a multizone metallic coating obtainable with said process. L'invention concerne un procédé de préparation d'un substrat à l'aide d'un revêtement métallique multizone comprenant les étapes suivantes : chauffage d'un matériau métallique comprenant facultativement une couche externe métallique ayant une composition différente dudit matériau métallique, à une température T1; dépôt d'un revêtement d'aluminium, de magnésium et/ou de zinc; refroidissement à une température T2; et poursuite du dépôt. Elle concerne de plus un substrat pourvu d'un revêtement métallique multizone pouvant être obtenu par ledit procédé.