METHOD FOR THE PRODUCTION OF A FLAT STEEL PRODUCT HAVING A ZN-GALVANNEALED PROTECTIVE COATING

A flat steel product having a steel substrate and a protective coating having zinc as its main constituent that has been applied to the steel substrate by hot dip coating and produced by a subsequent galvannealing treatment, wherein the protective coating has pores on its free surface that extend in...

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Hauptverfasser: URAN, Klaus, RECKZEH, Michael, YANIK, Robert, MACHEREY, Friedhelm, MACHALITZA, Karsten
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Sprache:eng ; fre ; ger
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creator URAN, Klaus
RECKZEH, Michael
YANIK, Robert
MACHEREY, Friedhelm
MACHALITZA, Karsten
description A flat steel product having a steel substrate and a protective coating having zinc as its main constituent that has been applied to the steel substrate by hot dip coating and produced by a subsequent galvannealing treatment, wherein the protective coating has pores on its free surface that extend into the protective coating. In the flat steel product, the proportions of right-skewed measurement traces determined in a topographic study are predominant over the proportion of non-right-skewed measurement traces both in the measurement direction and transverse to the measurement direction. Right-skewed measurement traces are determined by comparing the mean ascertained for each measurement trace with the median ascertained therefor. Those measurement traces where the mean is greater than the median are classified as being right-skewed.
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language eng ; fre ; ger
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subjects 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
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
METALLURGY
PHYSICS
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
TESTING
title METHOD FOR THE PRODUCTION OF A FLAT STEEL PRODUCT HAVING A ZN-GALVANNEALED PROTECTIVE COATING
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