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1. WO2020111775 - GALVANIZED STEEL SHEET HAVING EXCELLENT PLATING ADHESION AND CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR

Publication Number WO/2020/111775
Publication Date 04.06.2020
International Application No. PCT/KR2019/016475
International Filing Date 27.11.2019
IPC
C23C 2/06 2006.01
CCHEMISTRY; METALLURGY
23COATING 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
CCOATING 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
2Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
04characterised by the coating material
06Zinc or cadmium or alloys based thereon
C23C 2/20 2006.01
CCHEMISTRY; METALLURGY
23COATING 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
CCOATING 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
2Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
14Removing excess of molten coatings; Controlling or regulating the coating thickness
16using fluids under pressure, e.g. air knives
18Removing excess of molten coatings from elongated material
20Strips; Plates
C22C 18/04 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
18Alloys based on zinc
04with aluminium as the next major constituent
CPC
C22C 18/04
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
18Alloys based on zinc
04with aluminium as the next major constituent
C23C 2/06
CCHEMISTRY; METALLURGY
23COATING 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
CCOATING 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
2Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
04characterised by the coating material
06Zinc or cadmium or alloys based thereon
C23C 2/20
CCHEMISTRY; METALLURGY
23COATING 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
CCOATING 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
2Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
14Removing excess of molten coatings; Controlling or regulating the coating thickness
16using fluids under pressure, e.g. air knives
18Removing excess of molten coatings from elongated material
20Strips; Plates
Applicants
  • 주식회사 포스코 POSCO [KR]/[KR]
Inventors
  • 한도경 HAN, Do-Kyeong
  • 김흥윤 KIM, Heung-Yun
Agents
  • 특허법인 씨엔에스 C&S PATENT AND LAW OFFICE
Priority Data
10-2018-015003128.11.2018KR
10-2019-015045621.11.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) GALVANIZED STEEL SHEET HAVING EXCELLENT PLATING ADHESION AND CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR
(FR) TÔLE EN ACIER GALVANISÉ PRÉSENTANT D'EXCELLENTES PROPRIÉTÉS D'ADHÉRENCE DE PLACAGE ET DE RÉSISTANCE À LA CORROSION ET SON PROCÉDÉ DE FABRICATION
(KO) 도금 밀착성 및 내부식성이 우수한 아연도금강판 및 이의 제조방법
Abstract
(EN)
The objective of one aspect of the present invention is to provide: a galvanized steel sheet having excellent plating adhesion, having a plated layer with improved friction characteristics by means of a predetermined level of Fe elution, and having excellent corrosion resistance; and a manufacturing method therefor.
(FR)
L'objet d'un aspect de la présente invention est de fournir : une tôle en acier galvanisé présentant une excellente adhérence de placage, comprenant une couche plaquée présentant des caractéristiques de frottement améliorées au moyen d'un niveau prédéfini d'élution de Fe, et présentant une excellente résistance à la corrosion; et son procédé de fabrication.
(KO)
본 발명의 일 측면은, 도금 밀착성이 우수할 뿐만 아니라 일정 수준의 Fe 용출에 의해 도금층의 마찰특성이 향상되고 우수한 내부식성을 가지는 아연도금강판 및 이의 제조방법을 제공하고자 하는 것이다.
Also published as
Latest bibliographic data on file with the International Bureau