VERFAHREN ZUR HEISSPRESSBEARBEITUNG VON EINEM PLATTIERTEN STAHLPRODUKT

Hot press forming of a steel material is made possible by coating the surface of the steel material with a plated layer of zinc or a zinc alloy and forming thereon a barrier layer which prevents the vaporization of zinc even when heated to 700 - 1000 DEG C. Corrosion resistance can also be guarantee...

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Hauptverfasser: IMAI, K, YOSHIKAWA, Y, KOJIMA, N, NISHIBATA, T, TAKAHASHI, M, TOKI, TAMOTSU
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creator IMAI, K
YOSHIKAWA, Y
KOJIMA, N
NISHIBATA, T
TAKAHASHI, M
TOKI, TAMOTSU
description Hot press forming of a steel material is made possible by coating the surface of the steel material with a plated layer of zinc or a zinc alloy and forming thereon a barrier layer which prevents the vaporization of zinc even when heated to 700 - 1000 DEG C. Corrosion resistance can also be guaranteed without requiring post treatment, and hot press forming of high tensile steel sheet and stainless steel sheet is made possible. The barrier layer is formed by forming an upper plated layer, by surface oxidation, by contact with an oxidizing agent, by contact with Zn and an oxidizing agent, by anodic electrolysis, by cathodic electrolysis, or by coating with a ZnO sol.
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Corrosion resistance can also be guaranteed without requiring post treatment, and hot press forming of high tensile steel sheet and stainless steel sheet is made possible. 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subjects 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
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
title VERFAHREN ZUR HEISSPRESSBEARBEITUNG VON EINEM PLATTIERTEN STAHLPRODUKT
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