BRPI0519664A2 - chapa de aÇo galvanizada sem flores de zinco, seu mÉtodo de produÇço e equipamento usado para tal produÇço - Google Patents

chapa de aÇo galvanizada sem flores de zinco, seu mÉtodo de produÇço e equipamento usado para tal produÇço

Info

Publication number
BRPI0519664A2
BRPI0519664A2 BRPI0519664-7A BRPI0519664A BRPI0519664A2 BR PI0519664 A2 BRPI0519664 A2 BR PI0519664A2 BR PI0519664 A BRPI0519664 A BR PI0519664A BR PI0519664 A2 BRPI0519664 A2 BR PI0519664A2
Authority
BR
Brazil
Prior art keywords
steel
sheet
dip galvanized
temperature
zinc
Prior art date
Application number
BRPI0519664-7A
Other languages
English (en)
Inventor
Sang-Heon Kim
Noi-Ha Cho
Yeong-Sool Jin
Original Assignee
Posco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Posco filed Critical Posco
Publication of BRPI0519664A2 publication Critical patent/BRPI0519664A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/1275—Next to Group VIII or IB metal-base component
    • Y10T428/12757—Fe
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

CHAPA DE AÇO GALVANIZADA SEM FLORES DE ZINCO, SEU MÉTODO DE PRODUÇçO E EQUIPAMENTO USADO PARA TAL PRODUÇçO. São descritos aqui uma chapa de aço galvanizada por imersão a quente sem cristais, e um método e um equipamento para produção da mesma. A chapa de aço galvanizada por imersão a quente é caracterizada pelo fato de que um cristal de zinco solidificado da camada galvanizada por imersão a quente tem um diâmetro médio de partícula da textura do cristal de 10 a 88, e não há traços de solidificação de dendritos na observação com microscópio a uma ampliação de 100X. A chapa de aço galvanizada por imersão a quente compreende mergulhar a chapa de aço em um banho de uma solução de revestimento de zinco contendo 0,13 a 0,3% em peso de alumínio; secar com ar a chapa de aço para remover o excesso da solução de revestimento; pulverizar água ou uma solução aquosa na chapa de aço secada com ar, usando a temperatura da chapa de aço na faixa de temperatura da galvanização por imersão a quente de 419°C como temperatura de iniciação da pulverização e usando-se a temperatura da chapa de aço na faixa de 417°C a 415°C como temperatura de término da pulverização; passar as gotículas líquidas pulverizadas de água ou solução aquosa através de um eletrodo carregado com alta voltagem em forma de rede que é carregado eletricamente com uma alta voltagem de -1 a -50 kV, e deixar as gotículas que passaram no eletrodo serem aglutinadas á superfície da chapa de aço servindo assim como núcleos de solidificação do zinco fundido. A chapa de aço galvanizada por imersão a quente da presente invenção apresenta resistência à corrosão, resistência ao enegrecimento, resistência a manchas de óleo, coeficiente de fricção da superfície e aparência da superfície supenores, e pode ser usada para uma variedade de materiais, tais como chapas internas e externas de corpos de carros, aparelhos eletrodomésticos e materiais de construção e chapa de aço para pintura.
BRPI0519664-7A 2004-12-28 2005-10-31 chapa de aÇo galvanizada sem flores de zinco, seu mÉtodo de produÇço e equipamento usado para tal produÇço BRPI0519664A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20040114090 2004-12-28
PCT/KR2005/003637 WO2006070995A1 (en) 2004-12-28 2005-10-31 Galvanized steel-sheet without spangle, manufacturing method thereof and device used therefor

Publications (1)

Publication Number Publication Date
BRPI0519664A2 true BRPI0519664A2 (pt) 2009-03-03

Family

ID=36615086

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0519664-7A BRPI0519664A2 (pt) 2004-12-28 2005-10-31 chapa de aÇo galvanizada sem flores de zinco, seu mÉtodo de produÇço e equipamento usado para tal produÇço

Country Status (11)

Country Link
US (1) US7914851B2 (pt)
EP (1) EP1831419B1 (pt)
JP (1) JP4460610B2 (pt)
KR (1) KR100742832B1 (pt)
CN (1) CN101115858B (pt)
AU (1) AU2005320450B2 (pt)
BR (1) BRPI0519664A2 (pt)
CA (1) CA2592530C (pt)
MX (1) MX2007007844A (pt)
TR (1) TR200704440T1 (pt)
WO (1) WO2006070995A1 (pt)

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Also Published As

Publication number Publication date
AU2005320450A1 (en) 2006-07-06
CN101115858A (zh) 2008-01-30
CA2592530C (en) 2010-05-11
EP1831419A1 (en) 2007-09-12
TR200704440T1 (tr) 2007-08-21
US20080206592A1 (en) 2008-08-28
WO2006070995A1 (en) 2006-07-06
KR100742832B1 (ko) 2007-07-25
US7914851B2 (en) 2011-03-29
KR20060076214A (ko) 2006-07-04
CA2592530A1 (en) 2006-07-06
EP1831419A4 (en) 2009-08-12
JP4460610B2 (ja) 2010-05-12
AU2005320450B2 (en) 2011-01-20
MX2007007844A (es) 2008-02-19
EP1831419B1 (en) 2012-06-13
JP2008525641A (ja) 2008-07-17
CN101115858B (zh) 2010-05-12

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