Control of coating of members

An in-line process is disclosed for galvanising an elongate member with a coating that comprises zinc and aluminium. The aluminium is in a range of 5-20 wt%. The process comprises cleaning and applying a flux that is free from alkali metal to an external surface of the member. The process also compr...

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Bibliographic Details
Main Authors HARRISON, DAVID BRAWDLY, VAN ARKEL, ADRIAN GREG
Format Patent
LanguageEnglish
Published 17.09.2015
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
METALLURGY
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Summary:An in-line process is disclosed for galvanising an elongate member with a coating that comprises zinc and aluminium. The aluminium is in a range of 5-20 wt%. The process comprises cleaning and applying a flux that is free from alkali metal to an external surface of the member. The process also comprises drying the flux on the member and pre-heating the member. The process further comprises passing the pre-heated member through a bath comprising the coating of zinc and aluminium and then removing the coated member.
Bibliography:Application Number: AU20110349108