EP2992127A1 - Verfahren zur oberflächenbehandlung eines metallischen substrats - Google Patents
Verfahren zur oberflächenbehandlung eines metallischen substratsInfo
- Publication number
- EP2992127A1 EP2992127A1 EP14728808.8A EP14728808A EP2992127A1 EP 2992127 A1 EP2992127 A1 EP 2992127A1 EP 14728808 A EP14728808 A EP 14728808A EP 2992127 A1 EP2992127 A1 EP 2992127A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- protective coating
- solution
- simonkolleit
- protective
- range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000000758 substrate Substances 0.000 title claims abstract description 13
- 239000011253 protective coating Substances 0.000 claims abstract description 41
- 238000005260 corrosion Methods 0.000 claims abstract description 35
- 230000007797 corrosion Effects 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 229910018134 Al-Mg Inorganic materials 0.000 claims description 11
- 229910018467 Al—Mg Inorganic materials 0.000 claims description 11
- 239000011780 sodium chloride Substances 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 5
- 229910001868 water Inorganic materials 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 2
- 229960001545 hydrotalcite Drugs 0.000 description 2
- 229910001701 hydrotalcite Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008092 positive effect Effects 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
- C23C2/04—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
-
- 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
- C23C2/26—After-treatment
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/53—Treatment of zinc or alloys based thereon
-
- 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
- C25D11/02—Anodisation
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
Definitions
- the invention relates to a process for the surface treatment of a metallic substrate, in particular steel sheet, with a Zn-based protective coating, in which a chloride-containing solution is applied to this protective coating, thereby forming, at least in some areas, a corrosion protection layer comprising hydrozincite and Simonkolleit.
- this solution according to the invention in particular also water-based, can considerably promote the formation of monolithic collagen on the treated or corroded surface of the protective coating.
- the composition of the anticorrosion layer can be influenced in such a way that it always forms a higher Simonkolleitanteil compared to the Hydrozinkitanteil increased. This can certainly be expected with a high corrosion resistance of the protective coated substrate.
- the method according to the invention can be distinguished for increasing the corrosion resistance, if the protective coating has a Zn-Al-Mg base, to which the chloride having solution applied and thereby at least partially a corrosion protection layer, comprising Hydrozinkit, Simonkolleit and Hydrotalcit is formed.
- a corrosion protection layer comprising hydrozincite, Simonkolleit and Hydrotalcit, train.
- Their corrosion-susceptible and superficial intermetallic phases can be supplemented with Simonkolleit namely and corrosion-resistant.
- this formed a comparatively compact surface coating which in turn can lead to increased mechanical strength of the protective coating.
- the solution applied to the protective coating consists of water, NaCl and HCl.
- this solution may also have production-related unavoidable impurities.
- This solution which was easy to prepare, proved to be particularly advantageous in the reaction with a Zn-Al-Mg protective coating, in which a proportion of Simonkolleit of more than 80% formed in the treated areas of the protective coating. A comparatively high proportion of Simonkolleit can be ensured by the solution reacting with the coating for a maximum of 20 minutes. Even with this relatively short reaction time, the method according to the invention can ensure a particularly rapid process and, subsequently, also be suitable for industrial purposes.
- reaction time of the solution with the protective coating can be further reduced if the metallic substrate is anodically charged in the reaction with the solution.
- the temperature of the solution is adjusted to a range of 30 to 60 degrees Celsius, the training of Simonkolleit can be fostered, thus further speeding up the process.
- the invention can be distinguished in particular by Zn-based protective coatings which are applied to the metal sheet by means of a hot-dip process - ie produced on the metal sheet.
- Known parameter fluctuations of the hot dip process which can have an influence on the corrosion resistance of the protective coating formed therewith, can thus be compensated for.
- the method according to the invention can therefore ensure particularly highly reproducible corrosion protection on sheets.
- reaction of the solution with the protective coating forms a corrosion protection layer with a layer thickness in the range of 150 nm to 1.5 ⁇ m, a sufficiently compact reaction layer with simonollector can be obtained in order to reproducibly increase the corrosion resistance of the protective-coated substrate.
- the method according to the invention can be distinguished in particular with a Zn-Al-Mg protective coating in which the quotient of Al / (Al + Mg) is in the range from 0.5 to 1.0, in particular if the quotient of Al / (Al + Mg) is 0.5.
- the tested protective coated steel sheets are shown in Table 1.
- Table 1 Overview of the examined protective coated steel sheets 1, 2, 3
- the protective coated sheets treated with the solution according to the invention each exhibited compact anticorrosive layers with layer thicknesses in the range from 150 nm to 1.5 ⁇ m.
- An increased corrosion resistance of the Zn-Al-Mg protective coating could be achieved in the protective coated steel sheet 2 already after 10 minutes and a temperature of the solution in the amount of 30 degrees Celsius, wherein in the reaction of the solution with the protective coating anodic load (20V, 50Am " 2 ) was created.
- the same increased corrosion resistance of the Zn-Al-Mg protective coating could be achieved in the protective coated steel sheet 3 after 20 minutes and a solution temperature of 60 degrees Celsius. Anodic loading of the protective coating could be dispensed with here.
Landscapes
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Coating With Molten Metal (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14728808T PL2992127T3 (pl) | 2013-04-29 | 2014-04-29 | Sposób obróbki powierzchni metalowego podłoża |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50294/2013A AT514229B1 (de) | 2013-04-29 | 2013-04-29 | Verfahren zur Oberflächenbehandlung eines metallischen Substrats |
PCT/AT2014/050110 WO2014176621A1 (de) | 2013-04-29 | 2014-04-29 | Verfahren zur oberflächenbehandlung eines metallischen substrats |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2992127A1 true EP2992127A1 (de) | 2016-03-09 |
EP2992127B1 EP2992127B1 (de) | 2020-07-08 |
Family
ID=50897308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14728808.8A Active EP2992127B1 (de) | 2013-04-29 | 2014-04-29 | Verfahren zur oberflächenbehandlung eines metallischen substrats |
Country Status (8)
Country | Link |
---|---|
US (1) | US10011896B2 (de) |
EP (1) | EP2992127B1 (de) |
JP (1) | JP6865580B2 (de) |
CN (1) | CN105378153B (de) |
AT (1) | AT514229B1 (de) |
ES (1) | ES2822378T3 (de) |
PL (1) | PL2992127T3 (de) |
WO (1) | WO2014176621A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6686653B2 (ja) * | 2016-04-13 | 2020-04-22 | 日本製鉄株式会社 | めっき鋼材 |
DE102018216317A1 (de) * | 2018-09-25 | 2020-03-26 | Thyssenkrupp Ag | Verfahren zur Modifikation von feuerverzinkten Oberflächen |
CN109750280A (zh) * | 2019-03-18 | 2019-05-14 | 北京科技大学 | 一种提高碳钢耐蚀性的表面处理方法 |
CN110735098A (zh) * | 2019-10-22 | 2020-01-31 | 首钢集团有限公司 | 一种耐黑变锌铝镁镀层钢板及其制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01127683A (ja) * | 1987-11-12 | 1989-05-19 | Kobe Steel Ltd | 耐食性に優れたZn−Mg合金蒸着めっき材料 |
JP2654861B2 (ja) | 1990-10-27 | 1997-09-17 | 新日本製鐵株式会社 | 鉄心の加工性および耐熱性の優れた方向性電磁鋼板の絶縁皮膜形成方法 |
KR100268150B1 (ko) * | 1997-05-29 | 2000-10-16 | 윤종용 | 복합 영상신호의 동기 신호 재생 회로 |
EP2186928A1 (de) * | 2008-11-14 | 2010-05-19 | Enthone, Inc. | Verfahren zur Nachbehandlung von Metallschichten |
JP2011168855A (ja) * | 2010-02-19 | 2011-09-01 | Nisshin Steel Co Ltd | 端面耐食性に優れた塩ビ塗装鋼板 |
KR20120075235A (ko) * | 2010-12-28 | 2012-07-06 | 주식회사 포스코 | 고내식 용융아연합금 도금강판과 그 제조방법 |
-
2013
- 2013-04-29 AT ATA50294/2013A patent/AT514229B1/de active
-
2014
- 2014-04-29 US US14/787,942 patent/US10011896B2/en active Active
- 2014-04-29 EP EP14728808.8A patent/EP2992127B1/de active Active
- 2014-04-29 WO PCT/AT2014/050110 patent/WO2014176621A1/de active Application Filing
- 2014-04-29 JP JP2016510898A patent/JP6865580B2/ja active Active
- 2014-04-29 ES ES14728808T patent/ES2822378T3/es active Active
- 2014-04-29 CN CN201480030642.4A patent/CN105378153B/zh active Active
- 2014-04-29 PL PL14728808T patent/PL2992127T3/pl unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2014176621A1 * |
Also Published As
Publication number | Publication date |
---|---|
PL2992127T3 (pl) | 2021-02-08 |
US20160083828A1 (en) | 2016-03-24 |
ES2822378T3 (es) | 2021-04-30 |
EP2992127B1 (de) | 2020-07-08 |
JP2016519220A (ja) | 2016-06-30 |
US10011896B2 (en) | 2018-07-03 |
CN105378153B (zh) | 2018-10-12 |
CN105378153A (zh) | 2016-03-02 |
JP6865580B2 (ja) | 2021-04-28 |
AT514229B1 (de) | 2015-02-15 |
AT514229A1 (de) | 2014-11-15 |
WO2014176621A1 (de) | 2014-11-06 |
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