KR930002531A - 크롬함유강의 용융 도금 방법 - Google Patents
크롬함유강의 용융 도금 방법 Download PDFInfo
- Publication number
- KR930002531A KR930002531A KR1019920012746A KR920012746A KR930002531A KR 930002531 A KR930002531 A KR 930002531A KR 1019920012746 A KR1019920012746 A KR 1019920012746A KR 920012746 A KR920012746 A KR 920012746A KR 930002531 A KR930002531 A KR 930002531A
- Authority
- KR
- South Korea
- Prior art keywords
- strip
- bath
- chromium
- temperature
- maintaining
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 14
- 238000007747 plating Methods 0.000 title claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims 10
- 229910052804 chromium Inorganic materials 0.000 title claims 10
- 239000011651 chromium Substances 0.000 title claims 10
- 229910000831 Steel Inorganic materials 0.000 title claims 9
- 239000010959 steel Substances 0.000 title claims 9
- 238000010438 heat treatment Methods 0.000 claims 4
- 229910000838 Al alloy Inorganic materials 0.000 claims 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 3
- 229910052782 aluminium Inorganic materials 0.000 claims 3
- 239000001257 hydrogen Substances 0.000 claims 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 3
- 230000001590 oxidative effect Effects 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 2
- 238000000137 annealing Methods 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 238000005336 cracking Methods 0.000 claims 2
- 230000002950 deficient Effects 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 239000012266 salt solution Substances 0.000 claims 1
- 238000002791 soaking Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C2/12—Aluminium or alloys based thereon
-
- 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
- C23C2/003—Apparatus
- C23C2/0035—Means for continuously moving substrate through, into or out of the bath
-
- 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
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
-
- 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
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
- C23C2/004—Snouts
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Coating With Molten Metal (AREA)
- Glass Compositions (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 방법을 실시하는 도금 공정의 개략도이다.
Claims (9)
- 크롬 함유 강판에 알루미늄이나 알루미늄 합금을 용융도금하는 방법에 있어서, a) 산소 과잉대기내에서 최종 게이지 강판(final gauge steel strip)을 소둔(annealing)하여 표면에 크롬-풍부 산화물(chromiun-rich oxide)을 만드는 단계, b) 상기 스티립을 염 수용액내에서 전기분해적으로 탈스케일하여 산화물을 제거하고 크롬 결핍된 스트립표면을 노출시키는 단계, c) 상기 스트립을 알루미늄 혹은 알루미늄 합금조의 온도 혹은 그 온도 이상으로 가열하고 단계, d) 로점(law point)을 -35℃ 이하로 유지하면서 상기 조를 실질적으로 수소기권으로 유지하는 단계, 및 e) 상기 스트립을 상기 조내에 넣어 스트립을 도금하는 단계를 포함함을 특징으로 하는 크롬함유강의 용융도금방법.
- 1항에 있어서, 상기 강판은 최소 6중량%의 크롬을 함유함을 특징으로 하는 방법.
- 1항에 있어서, 상기 강판은 최소 6-20중량%의 크롬을 함유함을 특징으로 하는 방법.
- 1항에 있어서, 상기 조(bath)는 5-11중량%의 실리콘을 함유함을 특징으로 하는 방법.
- 1항에 있어서, 상기 조에 들어가기전에 스트립이 통과하는 대기의 로점은 -50℃로 유지됨을 특징으로 하는 방법.
- 1항에 있어서, 상기 스트립은 620℃-750℃로 가열되고 그후 도금조에 들어가기전에 도금조의 온도정도로 냉감됨을 특징으로 하는 방법.
- 1항에 있어서, 상기 스트립의 가열은 2가지 단계로 이루어지고, 그 제1단계는 스트립은 제1 비산화기권내에서 가열하고, 그리고 나서 그 스트립을 균열(soaking) 단계로 보내지며, 그 균열단계에서 스트립은 간접가열을 통해 조의 온도 혹은 그 이상의 온도로 됨을 특징으로 하는 방법.
- 1항에 있어서, 상기 균열단계에서의 로점을 -35℃로 유지하면서 균열단계에서 실질적으로 수소로된 비산화기권을 유지함을 포함함을 특징으로 하는 방법.
- 최소 6% 크롬을 함유한 강판을 알루미늄이나 알루미늄 합금의 용융조내에서 용융도금하는 방법에 있어서, a) 최종 게이지 강판을 최소 3% 과잉산소 기권내에서 소둔하여 표면에 크로풍부산화물을 만드는 단계, b) 그 스트립을 염수용액내에서 전기분해적으로 탈스케일하여 산화물을 제거하여 크롬결핍된 강판 표면을 노출시키는 단계, c) 그 스트립을 제1비산화기권내에서 가열하는 단계, d) 그 스트립을 스트립온도가 조(bath)의 온도 혹은 그 이상 온도로 되는 중간 단계로 보내는 단계, e) 상기 중간단계에서 기권의 로점을 -35℃로 유지하면서 상기 중간단계에서 그리고 조(bath)에 걸쳐 실질적으로 수소로된 제2 비산화기권을 유지하는 단계, 및 f) 상기 스트립을 상기조로 인입(drawing)시키는 단계를 포함하는 크롬함유강의 용융도금방법.※참고사항:최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/730,549 US5175026A (en) | 1991-07-16 | 1991-07-16 | Method for hot-dip coating chromium-bearing steel |
US07/730,549 | 1991-07-16 | ||
US07/730549 | 1991-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930002531A true KR930002531A (ko) | 1993-02-23 |
KR950000903B1 KR950000903B1 (ko) | 1995-02-03 |
Family
ID=24935807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920012746A KR950000903B1 (ko) | 1991-07-16 | 1992-07-16 | 크롬 함유강의 용융도금 방법 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5175026A (ko) |
EP (1) | EP0523809B1 (ko) |
JP (1) | JP2768871B2 (ko) |
KR (1) | KR950000903B1 (ko) |
AT (1) | ATE119947T1 (ko) |
BR (1) | BR9202693A (ko) |
CA (1) | CA2073258C (ko) |
DE (1) | DE69201689T2 (ko) |
ES (1) | ES2069963T3 (ko) |
MX (1) | MX9204158A (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5314758A (en) * | 1992-03-27 | 1994-05-24 | The Louis Berkman Company | Hot dip terne coated roofing material |
US6794060B2 (en) | 1992-03-27 | 2004-09-21 | The Louis Berkman Company | Corrosion-resistant coated metal and method for making the same |
US6652990B2 (en) | 1992-03-27 | 2003-11-25 | The Louis Berkman Company | Corrosion-resistant coated metal and method for making the same |
US5597656A (en) * | 1993-04-05 | 1997-01-28 | The Louis Berkman Company | Coated metal strip |
US5397652A (en) * | 1992-03-27 | 1995-03-14 | The Louis Berkman Company | Corrosion resistant, colored stainless steel and method of making same |
US6080497A (en) * | 1992-03-27 | 2000-06-27 | The Louis Berkman Company | Corrosion-resistant coated copper metal and method for making the same |
US5491036A (en) * | 1992-03-27 | 1996-02-13 | The Louis Berkman Company | Coated strip |
US6861159B2 (en) | 1992-03-27 | 2005-03-01 | The Louis Berkman Company | Corrosion-resistant coated copper and method for making the same |
US5677005A (en) * | 1993-06-25 | 1997-10-14 | Kawasaki Steel Corporation | Method for hot dip galvanizing high tensile steel strip with minimal bare spots |
US5447754A (en) * | 1994-04-19 | 1995-09-05 | Armco Inc. | Aluminized steel alloys containing chromium and method for producing same |
DE60143989D1 (de) | 2000-09-12 | 2011-03-17 | Jfe Steel Corp | Schmelztauchbeschichtetes stahlblech mit hoher zugfestigkeit und herstellungsverfahren hierfür |
JP4264373B2 (ja) * | 2004-03-25 | 2009-05-13 | 新日本製鐵株式会社 | めっき欠陥の少ない溶融Al系めっき鋼板の製造方法 |
KR100892815B1 (ko) * | 2004-12-21 | 2009-04-10 | 가부시키가이샤 고베 세이코쇼 | 용융 아연 도금 방법 및 용융 아연 도금 설비 |
US8037928B2 (en) * | 2005-12-21 | 2011-10-18 | Exxonmobil Research & Engineering Company | Chromium-enriched oxide containing material and preoxidation method of making the same to mitigate corrosion and fouling associated with heat transfer components |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE892218A (fr) * | 1982-02-19 | 1982-08-19 | Centre Rech Metallurgique | Procede de galvanisation en continu de bandes d'acier |
US4415415A (en) * | 1982-11-24 | 1983-11-15 | Allegheny Ludlum Steel Corporation | Method of controlling oxide scale formation and descaling thereof from metal articles |
US4666794A (en) * | 1983-07-07 | 1987-05-19 | Inland Steel Company | Diffusion treated hot-dip aluminum coated steel |
US4675214A (en) * | 1986-05-20 | 1987-06-23 | Kilbane Farrell M | Hot dip aluminum coated chromium alloy steel |
US4883723A (en) * | 1986-05-20 | 1989-11-28 | Armco Inc. | Hot dip aluminum coated chromium alloy steel |
US5023113A (en) * | 1988-08-29 | 1991-06-11 | Armco Steel Company, L.P. | Hot dip aluminum coated chromium alloy steel |
JPH02163357A (ja) * | 1988-12-15 | 1990-06-22 | Nippon Steel Corp | 不メッキのない高耐食性アルミメッキCr含有鋼板の製造方法 |
JP2727529B2 (ja) * | 1989-09-27 | 1998-03-11 | 新日本製鐵株式会社 | メッキ密着性に優れた高耐蝕性アルミメッキCr含有鋼板の製造方法 |
-
1991
- 1991-07-16 US US07/730,549 patent/US5175026A/en not_active Expired - Lifetime
-
1992
- 1992-07-07 CA CA002073258A patent/CA2073258C/en not_active Expired - Fee Related
- 1992-07-15 MX MX9204158A patent/MX9204158A/es not_active IP Right Cessation
- 1992-07-15 BR BR929202693A patent/BR9202693A/pt not_active IP Right Cessation
- 1992-07-15 AT AT92202176T patent/ATE119947T1/de not_active IP Right Cessation
- 1992-07-15 JP JP4209436A patent/JP2768871B2/ja not_active Expired - Fee Related
- 1992-07-15 DE DE69201689T patent/DE69201689T2/de not_active Expired - Fee Related
- 1992-07-15 EP EP92202176A patent/EP0523809B1/en not_active Expired - Lifetime
- 1992-07-15 ES ES92202176T patent/ES2069963T3/es not_active Expired - Lifetime
- 1992-07-16 KR KR1019920012746A patent/KR950000903B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2073258C (en) | 1996-08-20 |
JPH08333665A (ja) | 1996-12-17 |
US5175026A (en) | 1992-12-29 |
DE69201689T2 (de) | 1995-07-13 |
KR950000903B1 (ko) | 1995-02-03 |
DE69201689D1 (de) | 1995-04-20 |
MX9204158A (es) | 1993-08-01 |
CA2073258A1 (en) | 1993-01-17 |
EP0523809A1 (en) | 1993-01-20 |
JP2768871B2 (ja) | 1998-06-25 |
ATE119947T1 (de) | 1995-04-15 |
BR9202693A (pt) | 1993-03-23 |
EP0523809B1 (en) | 1995-03-15 |
ES2069963T3 (es) | 1995-05-16 |
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