CH661529A5 - Procedimento per la protezione di laminati piani di acciaio zincato mediante rivestimento elettrolitico multistrato. - Google Patents
Procedimento per la protezione di laminati piani di acciaio zincato mediante rivestimento elettrolitico multistrato. Download PDFInfo
- Publication number
- CH661529A5 CH661529A5 CH742/84A CH74284A CH661529A5 CH 661529 A5 CH661529 A5 CH 661529A5 CH 742/84 A CH742/84 A CH 742/84A CH 74284 A CH74284 A CH 74284A CH 661529 A5 CH661529 A5 CH 661529A5
- Authority
- CH
- Switzerland
- Prior art keywords
- chromium
- optimal range
- electrolytic
- coating
- zinc
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 58
- 238000000576 coating method Methods 0.000 title claims description 46
- 239000011248 coating agent Substances 0.000 title claims description 39
- 229910001335 Galvanized steel Inorganic materials 0.000 title description 14
- 239000008397 galvanized steel Substances 0.000 title description 14
- 239000011651 chromium Substances 0.000 claims description 85
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 80
- 229910052804 chromium Inorganic materials 0.000 claims description 75
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 64
- 230000008569 process Effects 0.000 claims description 51
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 40
- 239000011701 zinc Substances 0.000 claims description 40
- 229910052725 zinc Inorganic materials 0.000 claims description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 29
- 238000011282 treatment Methods 0.000 claims description 23
- 239000000243 solution Substances 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 15
- 150000002500 ions Chemical class 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 238000004070 electrodeposition Methods 0.000 claims description 10
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 7
- -1 sulphate ions Chemical class 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 229910000978 Pb alloy Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 1
- 238000000151 deposition Methods 0.000 description 27
- 230000008021 deposition Effects 0.000 description 23
- 239000010410 layer Substances 0.000 description 21
- 238000005260 corrosion Methods 0.000 description 19
- 230000007797 corrosion Effects 0.000 description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000005246 galvanizing Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 210000004027 cell Anatomy 0.000 description 10
- 238000003466 welding Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010422 painting Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 229910019923 CrOx Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000009713 electroplating Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001962 electrophoresis Methods 0.000 description 4
- 150000002222 fluorine compounds Chemical class 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 229910004074 SiF6 Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- VSDXTXZEWUJDRP-UHFFFAOYSA-N [Cl].[Cl].[Cl].C=C Chemical compound [Cl].[Cl].[Cl].C=C VSDXTXZEWUJDRP-UHFFFAOYSA-N 0.000 description 1
- RMXTYBQNQCQHEU-UHFFFAOYSA-N ac1lawpn Chemical compound [Cr]#[Cr] RMXTYBQNQCQHEU-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 210000000941 bile Anatomy 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010349 cathodic reaction Methods 0.000 description 1
- 238000006388 chemical passivation reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- WHDGWKAJBYRJJL-UHFFFAOYSA-K ferbam Chemical compound [Fe+3].CN(C)C([S-])=S.CN(C)C([S-])=S.CN(C)C([S-])=S WHDGWKAJBYRJJL-UHFFFAOYSA-K 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 210000002287 horizontal cell Anatomy 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- XVOFZWCCFLVFRR-UHFFFAOYSA-N oxochromium Chemical compound [Cr]=O XVOFZWCCFLVFRR-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
- 239000003496 welding fume Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/38—Chromatising
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
- C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
-
- 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.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12611—Oxide-containing component
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Catalysts (AREA)
- Electrochemical Coating By Surface Reaction (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19880/83A IT1161593B (it) | 1983-03-03 | 1983-03-03 | Procedimento per la protezione di laminati piani di acciaio zincato mediante rivestimento elettrolitico multistrato |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH661529A5 true CH661529A5 (it) | 1987-07-31 |
Family
ID=11162025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH742/84A CH661529A5 (it) | 1983-03-03 | 1984-02-15 | Procedimento per la protezione di laminati piani di acciaio zincato mediante rivestimento elettrolitico multistrato. |
Country Status (19)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1163889B (it) * | 1983-08-11 | 1987-04-08 | Lavezzari Impianti Spa | Procedimento perfezionato per la protezione in ambienti particolarmente aggressivi di laminati piani di acciaio mediante rivestimento elettrolitico multistrato |
| US4882014A (en) * | 1988-02-24 | 1989-11-21 | Union Oil Company Of California | Electrochemical synthesis of ceramic films and powders |
| GB2233347B (en) * | 1989-06-09 | 1994-01-05 | Toyo Kohan Co Ltd | Tin free steel having a chromium bilayer |
| US6004448A (en) | 1995-06-06 | 1999-12-21 | Atotech Usa, Inc. | Deposition of chromium oxides from a trivalent chromium solution containing a complexing agent for a buffer |
| DE19628544C1 (de) * | 1996-07-16 | 1998-02-26 | Sachsenring Automobiltechnik | Kugelgelenk und Verfahren zum Beschichten desselben |
| US6096183A (en) * | 1997-12-05 | 2000-08-01 | Ak Steel Corporation | Method of reducing defects caused by conductor roll surface anomalies using high volume bottom sprays |
| US6607651B2 (en) * | 1998-09-10 | 2003-08-19 | Cws Parts Company | Process and system for treating the discharge stream from an ion exchanger |
| JP2000208431A (ja) * | 1999-01-13 | 2000-07-28 | Tadahiro Omi | 酸化クロム不働態膜が形成された金属材料及びその製造方法並びに接流体部品及び流体供給・排気システム |
| US20030209449A1 (en) * | 2001-01-23 | 2003-11-13 | Cws Parts Company | Process and system for treating the discharge stream from an ion exchanger |
| US7291252B2 (en) * | 2001-12-07 | 2007-11-06 | United States Steel Corporation | Electrocoating chrome-plated steel |
| RU2233915C1 (ru) * | 2003-02-05 | 2004-08-10 | Общество с ограниченной ответственностью "ИнтерПромЛайн" | Способ создания защитного декоративного покрытия |
| US20060032756A1 (en) * | 2004-08-13 | 2006-02-16 | Justus William D | Method for producing anodized and coated expanded aluminum foil material in a continuous process |
| JP2009074168A (ja) * | 2007-08-30 | 2009-04-09 | Nissan Motor Co Ltd | クロムめっき部品およびその製造方法 |
| JP5299887B2 (ja) * | 2008-03-26 | 2013-09-25 | 奥野製薬工業株式会社 | ３価クロムめっき皮膜用電解処理液 |
| EP2186928A1 (en) * | 2008-11-14 | 2010-05-19 | Enthone, Inc. | Method for the post-treatment of metal layers |
| JP4728437B1 (ja) * | 2010-03-10 | 2011-07-20 | 日本特殊陶業株式会社 | スパークプラグ、スパークプラグ用の主体金具、及び、スパークプラグの製造方法 |
| RU2627076C2 (ru) | 2012-03-30 | 2017-08-03 | Тата Стил Эймейден Б.В. | Подложка с покрытием для упаковочных применений и способ получения упомянутой подложки |
| ES2635325T3 (es) * | 2013-06-20 | 2017-10-03 | Tata Steel Ijmuiden Bv | Método para fabricar sustratos revestidos de cromo-óxido de cromo |
| CN103526245A (zh) * | 2013-09-30 | 2014-01-22 | 朱卓敏 | 一种环保型氯化物镀锌后代铬新工艺 |
| TWI551435B (zh) | 2014-05-05 | 2016-10-01 | 國立臺灣大學 | 鋼材及其製造方法 |
| RS59282B1 (sr) * | 2014-05-21 | 2019-10-31 | Tata Steel Ijmuiden Bv | Postupak za galvanizaciju pokretne metalne trake |
| JP6389069B2 (ja) * | 2014-06-17 | 2018-09-12 | 木田精工株式会社 | めっき済み複合品及びその製造方法 |
| US10450668B2 (en) | 2017-04-11 | 2019-10-22 | Savannah River Nuclear Solutions, Llc | Development of a passivated stainless steel surface |
| DE102019109356A1 (de) * | 2019-04-09 | 2020-10-15 | Thyssenkrupp Rasselstein Gmbh | Verfahren zur Herstellung eines mit einer Beschichtung aus Chrom und Chromoxid beschichteten Metallbands auf Basis einer Elektrolytlösung mit einer dreiwertigen Chromverbindung und Elektrolysesystem zur Durchführung des Verfahrens |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3498892A (en) * | 1966-05-04 | 1970-03-03 | M & T Chemicals Inc | Electrodeposition of chromium upon a continuous metal strip |
| US3532608A (en) * | 1967-09-29 | 1970-10-06 | United States Steel Corp | Method of treating steel and electrolyte therefor |
| US3816082A (en) * | 1969-04-21 | 1974-06-11 | Nat Steel Corp | Method of improving the corrosion resistance of zinc coated ferrous metal substrates and the corrosion resistant substrates thus produced |
| BE752573A (fr) * | 1969-06-27 | 1970-12-28 | Republic Steel Corp | Depot de protection par electrodeposition de composes chromes sur des substrats metalliques |
| ZA711624B (en) * | 1970-03-24 | 1972-04-26 | Broken Hill Pty Co Ltd | Improved coated metal product and process for coating metal surfaces |
| US3616303A (en) * | 1970-07-06 | 1971-10-26 | Inland Steel Co | Electrolytic treatment of nonferrous metals |
| US3642587A (en) * | 1970-07-06 | 1972-02-15 | United States Steel Corp | Chromium electroplating process and product thereof |
| GB1354970A (en) * | 1971-07-06 | 1974-06-05 | Nippon Kokan Kk | Coated chromate treated metal sheet and a process therefor |
| US4064320A (en) * | 1975-03-26 | 1977-12-20 | Nippon Kokan Kabushiki Kaisha | Chromated electro-galvanized steel sheet excellent in corrosion resistance and process for manufacturing same |
| GB2080827B (en) * | 1980-07-28 | 1984-02-08 | Teksid Spa | Corrosion-proofing metal by electroplating |
| JPS6033192B2 (ja) * | 1980-12-24 | 1985-08-01 | 日本鋼管株式会社 | 耐食性、塗料密着性、塗装耐食性のすぐれた複合被覆鋼板 |
-
1983
- 1983-03-03 IT IT19880/83A patent/IT1161593B/it active
-
1984
- 1984-02-14 BE BE0/212385A patent/BE898905A/fr not_active IP Right Cessation
- 1984-02-15 CH CH742/84A patent/CH661529A5/it not_active IP Right Cessation
- 1984-02-16 GR GR73824A patent/GR79994B/el unknown
- 1984-02-16 AU AU24650/84A patent/AU558953B2/en not_active Ceased
- 1984-02-17 IL IL70994A patent/IL70994A/xx unknown
- 1984-02-17 CA CA000447693A patent/CA1236791A/en not_active Expired
- 1984-02-22 YU YU330/84A patent/YU43343B/xx unknown
- 1984-02-23 SE SE8400989A patent/SE459739B/sv not_active IP Right Cessation
- 1984-02-28 BR BR8400926A patent/BR8400926A/pt not_active IP Right Cessation
- 1984-02-29 NL NL8400645A patent/NL8400645A/nl not_active Application Discontinuation
- 1984-02-29 FR FR8403123A patent/FR2542017B1/fr not_active Expired
- 1984-03-01 MX MX200507A patent/MX162210A/es unknown
- 1984-03-02 US US06/585,856 patent/US4520077A/en not_active Expired - Fee Related
- 1984-03-02 ES ES530241A patent/ES8503038A1/es not_active Expired
- 1984-03-02 AT AT0072284A patent/AT381119B/de not_active IP Right Cessation
- 1984-03-02 DE DE3407830A patent/DE3407830A1/de active Granted
- 1984-03-03 JP JP59039761A patent/JPS59166695A/ja active Granted
- 1984-03-05 GB GB08405672A patent/GB2136020B/en not_active Expired
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