KR20020040771A - 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재 및그 제조 방법 - Google Patents
내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재 및그 제조 방법 Download PDFInfo
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- 238000005260 corrosion Methods 0.000 title claims abstract description 92
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 59
- 239000010959 steel Substances 0.000 title claims abstract description 59
- 229910021365 Al-Mg-Si alloy Inorganic materials 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 15
- 238000007747 plating Methods 0.000 claims abstract description 104
- 229910019018 Mg 2 Si Inorganic materials 0.000 claims abstract description 69
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 239000000956 alloy Substances 0.000 claims description 21
- 238000005498 polishing Methods 0.000 claims description 18
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- 239000000463 material Substances 0.000 claims description 13
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- 229910052718 tin Inorganic materials 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
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- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052790 beryllium Inorganic materials 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 229910000765 intermetallic Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910018464 Al—Mg—Si Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- -1 In: 0.01-1.0% Substances 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- 229910000676 Si alloy Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 abstract description 13
- 229910052710 silicon Inorganic materials 0.000 abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
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Classifications
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- C—CHEMISTRY; METALLURGY
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C2/12—Aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
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- 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
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- 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
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- 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
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
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- 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
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- 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
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- 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
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- Y10T428/12722—Next to Group VIII metal-base component
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- 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
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- Y10T428/1275—Next to Group VIII or IB metal-base component
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- 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
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- 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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- Y10T428/12917—Next to Fe-base component
- Y10T428/12924—Fe-base has 0.01-1.7% carbon [i.e., steel]
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- 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
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- Y10T428/00—Stock material or miscellaneous articles
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Abstract
Description
Claims (10)
- 질량%로Al: 45% 이상 70% 이하Mg: 3% 이상 10% 미만Si: 3% 이상 10% 미만을 함유하고,나머지 부분이 Zn 및 불가피한 불순물로 이루어지고, 또한, Al/ZI: 0.89∼2.75를 만족하고, 또한, 도금층중에 괴상 Mg2Si상을 포함하는 것을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 질량%로,Al: 45% 이상 70% 이하Mg: l% 이상 5% 미만Si: 0.5% 이상 3% 미만을 함유하고,나머지 부분이 Zn 및 불가피한 불순물로 이루어지고, 또한, A1/ Zn: 0.89∼2.75를 만족하며, 또한, 도금층중에 비늘 조각상 Mg2Si상을 포함하는 것을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항 또는 제 2항에 있어서,Zn-Al-Mg-Si 합금 도금 조성으로서 또한 In:0.01∼1.0%, Sn:0.1∼10.0%, Ca:0.01∼0.5%, Be:0.01∼0.2%, Ti:0.01∼0.2%, Cu:0.1∼l.0%, Ni:0.01∼0.2%, Co:0.01∼0.3%, Cr:0.01∼0.2%, Mn:0.01∼0.5%, Fe:0.01∼3.0%, Sr:0.01∼0.5%의 1 종류 또는 2 종류 이상을 함유하는 것을 특징으로 하는 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항에 기재된 괴상 Mg2Si상이 5°의 단면 경사 연마로 관찰한 때의 장경 평균 입경이 3∼50μm, 장경이 100μm을 넘으나, 면적율이 괴상 Mg2Si상 중에 10% 이하이고, 단경의 장경에 대한 비율이 0.4 이상임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 2항에 기재된 비늘 조각상 Mg2Si상이, 5°의 단면 경사 연마로 관찰한 때의 장경의 평균 입경이 3∼50μm, 단경의 장경에 대한 비율이 0.4미만임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항, 제 3항, 또는 제 4항 중 어느 한 항에 있어서,도금층중에서의 괴상과 비늘 조각상 Mg2Si상의 합계 함유율이 5°의 단면 경사 연마로 관찰한 때의 면적율로 10∼30%이고, Mg2Si상 전체에 대한 괴상 Mg2Si의 면적율이 1% 이상임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 2항, 제 3항, 또는 제 5항 중 어느 한 항에 있어서,도금층중에서의 비늘 조각상 Mg2Si상의 함유율이 5°의 단면 경사 연마로 관찰한 때의 면적율로 3% 이상임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항 내지 제 7항 중 어느 한 항에 있어서,Ni, Co, Zn, Sn, Fe, Cu의 1종 이상을 함유하는 프리 도금층, 및, Ni, Co, Zn, Sn, Fe, Cu의 2종 이상으로 이루어지는 금속간 화합물상의, 일방 또는 양방을, 도금층과 강재의 계면에 가지는 것을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항 내지 제 8항 중 어느 한 항에 있어서,편면당 도금 부착량이 20∼130g/m2임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항 내지 제 9항에 기재된 Zn-Al-Mg-Si 합금 도금 강재를 제조하는 방법에 있어서, 도금욕의 욕온을 500∼650℃로 하고, 도금 후의 냉각 속도를 10℃/초 이상으로 제어하는 것을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재의 제조 방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22502399 | 1999-08-09 | ||
JPJP-P-1999-00225023 | 1999-08-09 | ||
JP2000218318A JP4136286B2 (ja) | 1999-08-09 | 2000-07-19 | 耐食性に優れたZn−Al−Mg−Si合金めっき鋼材およびその製造方法 |
JPJP-P-2000-00218318 | 2000-07-19 |
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KR20020040771A true KR20020040771A (ko) | 2002-05-30 |
KR100586437B1 KR100586437B1 (ko) | 2006-06-08 |
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KR1020027001835A KR100586437B1 (ko) | 1999-08-09 | 2000-08-09 | 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재 및 그 제조 방법 |
Country Status (10)
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US (1) | US6635359B1 (ko) |
EP (2) | EP2108712B1 (ko) |
JP (1) | JP4136286B2 (ko) |
KR (1) | KR100586437B1 (ko) |
CN (1) | CN100334250C (ko) |
AT (1) | ATE508212T1 (ko) |
AU (1) | AU763740B2 (ko) |
DE (1) | DE60045924D1 (ko) |
ES (1) | ES2483969T3 (ko) |
WO (1) | WO2001011100A1 (ko) |
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- 2000-08-09 US US10/049,360 patent/US6635359B1/en not_active Expired - Lifetime
- 2000-08-09 AT AT00951919T patent/ATE508212T1/de not_active IP Right Cessation
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US11905587B2 (en) | 2018-12-18 | 2024-02-20 | Posco Co., Ltd | Alloy coated steel sheet |
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JP4136286B2 (ja) | 2008-08-20 |
KR100586437B1 (ko) | 2006-06-08 |
US6635359B1 (en) | 2003-10-21 |
EP1225246A4 (en) | 2005-02-09 |
AU6473000A (en) | 2001-03-05 |
ATE508212T1 (de) | 2011-05-15 |
JP2001115247A (ja) | 2001-04-24 |
CN1369020A (zh) | 2002-09-11 |
ES2483969T3 (es) | 2014-08-08 |
EP1225246A1 (en) | 2002-07-24 |
DE60045924D1 (de) | 2011-06-16 |
EP2108712B1 (en) | 2014-07-02 |
EP1225246B1 (en) | 2011-05-04 |
EP2108712A2 (en) | 2009-10-14 |
WO2001011100A1 (fr) | 2001-02-15 |
CN100334250C (zh) | 2007-08-29 |
EP2108712A3 (en) | 2010-12-29 |
AU763740B2 (en) | 2003-07-31 |
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