METHOD FOR SEQUENTIALLY CONSTRUCTING A CONVERSION LAYER ON COMPONENTS COMPRISING STEEL SURFACES

The invention relates to a method for the anti-corrosion pre-treatment of a plurality of components in series, in which the components of the series are at least partially formed of iron and/or steel, and in which the components of the series each initially undergo a first conversion stage, followed...

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Bibliographische Detailangaben
Hauptverfasser:	PILAREK, FRANK-OLIVER, SINNWELL, SEBASTIAN, WAPNER, KRISTOF, BROUWER, JAN-WILLEM, RESANO ARTALEJO, FERNANDO JOSE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS THEREFOR 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 ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS 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 method for the anti-corrosion pre-treatment of a plurality of components in series, in which the components of the series are at least partially formed of iron and/or steel, and in which the components of the series each initially undergo a first conversion stage, followed by a rinsing stage and a subsequent second conversion stage, wherein, in the conversion stages, respective acidic aqueous conversion solutions based on compounds of the elements Zr and/or Ti dissolved in water are brought into contact with the components, and, additionally, copper ions are contained in the conversion solution for the second stage. La présente invention concerne un procédé de pré-traitement anticorrosion d'une pluralité de composants en série, les composants de la série étant composés au moins en partie de fer et/ou d'acier et les composants de la série traversant chacun tout d'abord une première étape de conversion suivie d'une étape de rinçage directement suivie d'une deuxième étape de conversion. Au cours des étapes de conversion, des solutions de conversion aqueuses acides respectives à base de composés des éléments Zr et/ou Ti dissous dans l'eau sont mises en contact avec les composants, et des ions cuivre supplémentaires sont contenus dans la solution de conversion de la deuxième étape de conversion.