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1. WO2020110750 - SURFACE-TREATED STEEL SHEET, AND METHOD FOR MANUFACTURING SURFACE-TREATED STEEL SHEET

Publication Number WO/2020/110750
Publication Date 04.06.2020
International Application No. PCT/JP2019/044700
International Filing Date 14.11.2019
IPC
C25D 9/10 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; JOINING WORKPIECES BY ELECTROLYSIS; APPARATUS THEREFOR
9Electrolytic coating other than with metals
04with inorganic materials
08by cathodic processes
10on iron or steel
B32B 15/01 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products essentially comprising metal
01all layers being exclusively metallic
CPC
B32B 15/01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products comprising ; a layer of; metal
01all layers being exclusively metallic
C25D 9/10
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING
9Electrolytic coating other than with metals
04with inorganic materials
08by cathodic processes
10on iron or steel
Applicants
  • 日本製鉄株式会社 NIPPON STEEL CORPORATION [JP]/[JP]
Inventors
  • 東新 邦彦 TOSHIN Kunihiko
  • 柴尾 史生 SHIBAO Fumio
  • 大谷 学 OTANI Manabu
  • 古良田 卓 KORATA Taku
  • 莊司 浩雅 SHOJI Hiromasa
  • 森下 敦司 MORISHITA Atsushi
Agents
  • 棚井 澄雄 TANAI Sumio
  • 寺本 光生 TERAMOTO Mitsuo
  • 勝俣 智夫 KATSUMATA Tomoo
  • 山口 洋 YAMAGUCHI Yoh
Priority Data
2018-22349229.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) SURFACE-TREATED STEEL SHEET, AND METHOD FOR MANUFACTURING SURFACE-TREATED STEEL SHEET
(FR) TÔLE D'ACIER TRAITÉE EN SURFACE ET SON PROCÉDÉ DE FABRICATION
(JA) 表面処理鋼板、及び表面処理鋼板の製造方法
Abstract
(EN)
A surface-treated steel sheet is provided, which comprises a steel sheet and a deposited layer formed on one surface or both surfaces of the steel sheet and containing metal zinc, wherein the deposited layer further contains at least one component selected from the group consisting of a vanadium oxide, a vanadium hydroxide, a zirconium oxide and a zirconium hydroxide, and the ratio of the area S2 of a peak appearing at 3600 cm-1 which attributes to a hydroxide to the area S1 of a peak appearing at 1600 to 650 cm-1 which attributes to an oxide, i.e., S2/S1, is 0 to 0.3 inclusive in an infrared absorption spectrum obtained by measuring the surface of the deposited layer by reflection method of FT-IR spectroscopy.
(FR)
La présente invention concerne une tôle d'acier traitée en surface, qui comprend une tôle d'acier et une couche déposée formée sur une surface ou sur les deux surfaces de la tôle d'acier et contenant du zinc métallique, la couche déposée contenant en outre au moins un constituant choisi dans le groupe constitué par un oxyde de vanadium, un hydroxyde de vanadium, un oxyde de zirconium et un hydroxyde de zirconium, et le rapport de la surface S 2 d'un pic apparaissant à 3600 cm-1 qui attribut à un hydroxyde la zone S1 d'un pic apparaissant à 1600 à 650cm -1 qui attribut à un oxyde, c'est-à-dire, S2/S1, est de 0 à 0,3 inclus dans un spectre d'absorption infrarouge obtenu en mesurant la surface de la couche déposée par le biais d'un procédé de réflexion de spectroscopie FT-IR.
(JA)
鋼板と、前記鋼板の片面または両面に形成された金属亜鉛を含む析出層と、を備え、前記析出層は、さらに、バナジウム酸化物、バナジウム水酸化物、ジルコニウム酸化物、及びジルコニウム水酸化物からなる群から選択される一種以上を含み、前記析出層の表面をFT-IR法の反射法によって測定して得られた赤外吸収スペクトルにおいて、酸化物を示す1600~650cm-1のピーク面積Sに対する水酸化物を示す3600cm-1のピーク面積Sとの比S/Sが0以上0.3以下である表面処理鋼板を採用する。
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