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KR840005175A - Al-Zn-Mg-Si 합금 코우팅이 된 내식성 철제품 제조방법 - Google Patents

Al-Zn-Mg-Si 합금 코우팅이 된 내식성 철제품 제조방법 Download PDF

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KR840005175A
KR840005175A KR1019830002790A KR830002790A KR840005175A KR 840005175 A KR840005175 A KR 840005175A KR 1019830002790 A KR1019830002790 A KR 1019830002790A KR 830002790 A KR830002790 A KR 830002790A KR 840005175 A KR840005175 A KR 840005175A
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iron base
coating
content
alloy
magnesium
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KR1019830002790A
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KR880000458B1 (ko
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버케 닐에스. (외 1)
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원본미기재
베들레헴스틸 코포레이숀
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    • 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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/939—Molten or fused coating
    • 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
    • Y10T428/12458—All metal or with adjacent metals having composition, density, or hardness gradient
    • 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
    • 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
    • Y10T428/12785—Group IIB metal-base component
    • Y10T428/12792—Zn-base component
    • 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
    • Y10T428/12785—Group IIB metal-base component
    • Y10T428/12792—Zn-base component
    • Y10T428/12799—Next to Fe-base component [e.g., galvanized]

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  • 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)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

내용 없음

Description

Al-Zn-Mg-Si 합금 코우팅이 된 내식성 철제품 및 이의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 염수분무환경에서 Al/Zn비가 1.26일 때외 Mg와 Si외 영향을 나타낸 것으로서 Al-Zn-Mg-Si계로된 원소의 여러가지 배합물로 코우팅된 철판의 붉은색 녹이 나타나는 시간 경과를 예시한 그래프.
제 2 도는 Si가 4%일때의 Al-Zn-Si-Mg계로 된 합금으로 코우팅 된 강철제품의 염수분무저항성을 예시한 등고선도.
제 3 도는 8%의 Si를 함유한 코우팅으로 된 것으로서 제 2 도와 유사한 등고선도.
제 4 도는 Al/Zn비가 1.26일 때의 Mg와 Si의 변화에 따른 영향을 나타낸 것을서 Al-Zn-Si-Mg계로 된 원소의 여러가지 배합물로 코우팅 된 철판의 SO4가 함유된 환경에서의 중량감소를 예시한 그래프.
제 5 도는 Si가 4%인 Al-Zn-Si-Mg로 된 합금으로 코오팅 된 강철제품의 SO2를 함유한 분위기중에서의 중량 감소를 예시한 등고선도.
제 6 도는 Si 8%를 함유한 코우팅으로 된 선으로서 제 5 도와 유사한 등고선도.
제 7 도는 Al/Zn비가 1.26일 때의 Mg와 Si의 변화에 따른 영향을 예시한 것으로서 Al-Zn-Si-Mg계로 된 원소의 여러가지 배합물로 코우팅 된 철판의 코우팅 외관의 그래프.
제 8 도는 Si가 4%일 때의 Al-Zn-Si-Mg계로 된 합금으로 코우팅 된 강철제품의 코우팅 외관을 예시한 등고선도.
제 9 도는 Si 8%를 함유한 코우팅으로 된 것으로서 제 8 도와 유사한 등고선도.
제10도는 종래의 방법에 의해 제조된 코우팅용 합금계에 대한 코우팅물의 미세구조의 부식처리된 단면을 500배로 확대한 광현미경사진.
제11도는 본 발명에 의해 제조된 코우팅제품의 부식 처리된 단면을 500배로 확대한 광현미경사진.
제12도는 종래의 방법에 의해 제조된 코우팅용 합금에 대한 코우팅물의 미세구조의 부식처리된 표면을 200배로 확대한 광현미경사진.
제13도는 본 발명에 의한 코우팅제품의 부식 처리된 표면을 200배로 확대한 광현미경사진 .

Claims (18)

  1. (정정). 철판 표면에 금속결합된 연성 및 접착성이 있으며 윗층과 철 베이스사이에 금속간 합금층과 합금 윗층을 가진 코우팅을 형성시켜주어 SO2및 염수를 함유한 분위기에 대해 내식성을 가지도록 한 철 베이스로 된 내식성의 철제품에 있어서 (1) 10μ이하의 수지상 조직의 가지간격을 가진 중심핵의 알루미늄 함량이 많은 수지상 조직과 (2) 아연함량이 많은 중간 수지상 영역 및 (3) 아연, 알루미늄, 마그네슘 및 규소로 된 금속간 상을 함유하는 금속조직이 있는 Al-Zn-Si-Mg계로 되어 있고 마그네슘 3-20wt%와 규소 3-15wt%, 나머지 알루미늄과 아연이고 --비가 1-1.5사이인 합금으로 윗층을 형성함을 개선점으로 하는 내식성 철제품.
  2. 제 1 항에 있어서, 수지상 조직의 가지 간격이 3-9범위이고 Mg2Si, MgZn2, SiO2및 Mg32Al,Zn)49로 금속간 상을 형성시킨 제품.
  3. 제 1 항 또는 제 2 항에 있어서,의 비가 1.2-1.3이고 마그네슘 함량이 [-]5%이며 규소 함량이 5-15%인 제품.
  4. 제 1 항 또는 제 2 항에 있어서,을 특징으로 하는 제품.
  5. 제 1 항 또는 제 2 항에 있어서, 합금 윗층의 규소 함량이 최소한 5%이고 마그네슘 함량이 최소한 4%이며 [Si%]0.6+[Mg%]0.6≥8을 특징으로 하는 제품.
  6. 제 1 항 또는 제 2 항에 있어서, [Si%]≥0.5+0.6Mg%를 특징으로 하는 제품.
  7. 제 1 항 또는 제 2 항에 있어서, 저탄소강을 철 베이스로 사용한 제품.
  8. 제 1 항 또는 제 2 항에 있어서, 철 베이스를 판상으로 사용한 제품.
  9. 제 1 항 또는 제 2 항에 있어서, 철 베이스를 선형태로 사용한 제품.
  10. (1) 금속 코우팅이 될 수 있게끔 철 베이스의 표면을 헝성하고, (2) Al-Zn-Mg-Si계로 된 용융합금으로 표면을 코우팅하여 (3)냉각하므로서 코우팅을 응고시켜 철 베이스위에 연성을 가진 접착 코우팅을 형성할 때 철 베이스에 인접한 금속코우팅을 제조하는 방법에 있어서 마그네슘 함량을 3-20wt%, 규소함량은3-15wt%, 나머지는 알루미늄 및 아연으로 하고 --의 비가 0-1.5가 되게 한 용융합금을 이용함을 개선점으로 하는 철 베이스에 금속결합시킨 금속코우팅 제조방법.
  11. 제10항에 있어서, --의 비가 1.2-1.3이고 마그네슘 함량을 5-15%로 하고 규소함량을 5-15%로 하는 제조방법.
  12. 제10항 또는 제11항에 있어서,을 특징으로 하는 제조방법.
  13. 제10항에 있어서, 규소함량을 최소한 5%로 하고 마그네슘 함량을 최소한 4%로 하며 [Si%]0.6+[Mg%]0.6≥8으로 함을 특징으로 하는 제조방법.
  14. 제10항 또는 제11항에 있어서, [Si%]≥1.5+0.6[Mg%]을 특징으로 하는 제조방법.
  15. 제10항 또는 제1항에 있어서, 코우팅을 전부 응고시키는 도중 최소한 20°F/sec의 속도로 냉각시킴을 특징으로 하는 제조방법.
  16. 제10항 또는 제11항에 있어서, 저 탄소강을 철 베이스로 사용하는 제조방법.
  17. 제10항 또는 제11항에 있어서, 판상의 철 베이스를 사용하는 제조방법.
  18. 제10항 또는 제11항에 있어서, 선 모양의 철 베이스를 사용하는 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830002790A 1982-06-23 1983-06-21 Al-Zn-Mg-Si 합금 코우팅이 된 내식성 철제품 및 이의 제조방법 KR880000458B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/391,217 US4401727A (en) 1982-06-23 1982-06-23 Ferrous product having an alloy coating thereon of Al-Zn-Mg-Si Alloy, and method
US391217 1982-06-23

Publications (2)

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KR840005175A true KR840005175A (ko) 1984-11-05
KR880000458B1 KR880000458B1 (ko) 1988-04-06

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KR1019830002790A KR880000458B1 (ko) 1982-06-23 1983-06-21 Al-Zn-Mg-Si 합금 코우팅이 된 내식성 철제품 및 이의 제조방법

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US (1) US4401727A (ko)
EP (1) EP0106021B1 (ko)
JP (1) JPS5956570A (ko)
KR (1) KR880000458B1 (ko)
AU (1) AU553549B2 (ko)
BR (1) BR8303298A (ko)
CA (1) CA1204970A (ko)
DE (1) DE3365647D1 (ko)
ES (1) ES523486A0 (ko)
FI (1) FI73007C (ko)
IN (1) IN160994B (ko)
NO (1) NO162622C (ko)
NZ (1) NZ204672A (ko)
ZA (1) ZA833901B (ko)

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