BR112019025146A2 - Chapa de aço para membro formado por prensagem a quente com excelente adesão da pintura e resistência à corrosão pós-pintura, e método de fabricação da mesma - Google Patents

Chapa de aço para membro formado por prensagem a quente com excelente adesão da pintura e resistência à corrosão pós-pintura, e método de fabricação da mesma Download PDF

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Publication number
BR112019025146A2
BR112019025146A2 BR112019025146-4A BR112019025146A BR112019025146A2 BR 112019025146 A2 BR112019025146 A2 BR 112019025146A2 BR 112019025146 A BR112019025146 A BR 112019025146A BR 112019025146 A2 BR112019025146 A2 BR 112019025146A2
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Brazil
Prior art keywords
steel sheet
hot pressing
post
resistance
manufacturing
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BR112019025146-4A
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English (en)
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BR112019025146B1 (pt
Inventor
Oh Jin-Keun
Kim Seong-Woo
Shin Hyeon-Jeong
Cho A-Ra
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Posco
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Publication date
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Priority claimed from PCT/KR2018/006259 external-priority patent/WO2018221992A1/ko
Publication of BR112019025146A2 publication Critical patent/BR112019025146A2/pt
Publication of BR112019025146B1 publication Critical patent/BR112019025146B1/pt

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
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    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

a presente invenção refere-se a uma chapa de aço para um membro conformado por prensagem a quente que tem excelente adesão da pintura e resistência à corrosão pós-pintura, e um método de fabricação da mesma. uma chapa de aço para conformação em prensagem a quente de acordo com um aspecto da presente invenção compreende uma chapa de aço de base e uma camada folheada formada sobre uma superfície da chapa de aço de base, em que a razão de uma área ocupada por poros para a área inteira de uma porção de camada de superfície pode ser 10% ou mais em um corte transversal da porção de camada de superfície observada quando a camada folheada for cortada em uma direção da espessura da mesma.
BR112019025146-4A 2017-06-01 2018-05-31 Chapa de aço para membro formado por prensagem a quente com excelente adesão da pintura e resistência à corrosão pós-pintura, e método de fabricação da mesma BR112019025146B1 (pt)

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KR10-2017-0068651 2017-06-01
KR20170068651 2017-06-01
KR10-2017-0101563 2017-08-10
KR1020170101563A KR102010048B1 (ko) 2017-06-01 2017-08-10 도장 밀착성과 도장 후 내식성이 우수한 열간 프레스 성형 부재용 강판 및 그 제조방법
PCT/KR2018/006259 WO2018221992A1 (ko) 2017-06-01 2018-05-31 도장 밀착성과 도장 후 내식성이 우수한 열간 프레스 성형 부재용 강판 및 그 제조방법

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BR112019025146B1 BR112019025146B1 (pt) 2023-03-28

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KR101988724B1 (ko) 2017-06-01 2019-06-12 주식회사 포스코 도금 밀착성이 우수한 열간 프레스 성형 부재용 강판 및 그 제조방법
US11549167B2 (en) 2018-11-30 2023-01-10 Posco Steel sheet plated with Al—Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor
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