CN1867704B - Electrolytic method for phosphating metal surfaces and phosphated metal layer - Google Patents
Electrolytic method for phosphating metal surfaces and phosphated metal layer Download PDFInfo
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- CN1867704B CN1867704B CN200480030171.3A CN200480030171A CN1867704B CN 1867704 B CN1867704 B CN 1867704B CN 200480030171 A CN200480030171 A CN 200480030171A CN 1867704 B CN1867704 B CN 1867704B
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 18
- 239000002184 metal Substances 0.000 title claims abstract description 18
- 239000011701 zinc Substances 0.000 claims abstract description 24
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 20
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000008021 deposition Effects 0.000 claims abstract description 8
- 230000002378 acidificating effect Effects 0.000 claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 239000008151 electrolyte solution Substances 0.000 claims description 16
- 150000002500 ions Chemical class 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 11
- 229910019142 PO4 Inorganic materials 0.000 claims description 10
- 239000010452 phosphate Substances 0.000 claims description 10
- 238000005868 electrolysis reaction Methods 0.000 claims description 7
- -1 phosphate anion Chemical class 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 2
- SYNHCENRCUAUNM-UHFFFAOYSA-N Nitrogen mustard N-oxide hydrochloride Chemical compound Cl.ClCC[N+]([O-])(C)CCCl SYNHCENRCUAUNM-UHFFFAOYSA-N 0.000 claims description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 claims description 2
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Inorganic materials [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 claims description 2
- SXDBWCPKPHAZSM-UHFFFAOYSA-N bromic acid Chemical compound OBr(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000002105 nanoparticle Substances 0.000 claims description 2
- 150000002823 nitrates Chemical class 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 2
- 229910052698 phosphorus Inorganic materials 0.000 claims 2
- 239000011574 phosphorus Substances 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 9
- 238000000151 deposition Methods 0.000 abstract description 5
- 239000003792 electrolyte Substances 0.000 abstract description 2
- 238000004070 electrodeposition Methods 0.000 abstract 2
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000010953 base metal Substances 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910001297 Zn alloy Inorganic materials 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000005012 migration Effects 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007743 anodising Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- OXHXATNDTXVKAU-UHFFFAOYSA-N phosphoric acid zinc Chemical compound [Zn].OP(O)(O)=O OXHXATNDTXVKAU-UHFFFAOYSA-N 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 2
- 229910000165 zinc phosphate Inorganic materials 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- DBPRUZCKPFOVDV-UHFFFAOYSA-N Clorprenaline hydrochloride Chemical compound O.Cl.CC(C)NCC(O)C1=CC=CC=C1Cl DBPRUZCKPFOVDV-UHFFFAOYSA-N 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000002520 cambial effect Effects 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000574 ganglionic effect Effects 0.000 description 1
- 150000002327 glycerophospholipids Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910001463 metal phosphate Inorganic materials 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 1
- SPDJAIKMJHJYAV-UHFFFAOYSA-H trizinc;diphosphate;tetrahydrate Chemical compound O.O.O.O.[Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O SPDJAIKMJHJYAV-UHFFFAOYSA-H 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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/565—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of zinc
-
- 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
- C25D11/36—Phosphatising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Chemical Treatment Of Metals (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention relates to a method for phosphating metal layers by electrodeposition from acidic aqueous solutions containing at least zinc ions and phosphate ions, and by using direct current. Electrodeposition of zinc takes place in the same electrolytes and at the same time as deposition of the phosphating layer. The current density lies in the region of > A/dm<2>.
Description
Generality of the present invention relates to the electrolysis process that is used for the phosphated metal surface according to the preamble of claim 1.This method also relates to the phosphated metal level by this method preparation.
Background technology
The phosphoric acid zinc impregnation is to be widely used in the low alloy steel preserving method.Wherein in the precipitin reaction of pH value control, zn phosphate crystal (hopeite) is deposited on the component surface.For ability sedimentary phosphor silicate layer, must surpass the solubility product of zn phosphate.This is through corroding (pickling) (Fe > for example to base metal; Fe
2++ 2
E-) and realize.D/d thus electronics is used to reduce proton.PH is to the migration of neutrality to alkalescence and surpass solubility product.Usually form the thick layer of 2-3 μ m thus with about 90-95% coverage.Therefore the anticorrosion thin porous layer that is produced that is subject to also combines with other coatings (for example cosmoline or KTL) usually.Further the target of research is to avoid improving antiseptic property under the condition of these additional coatings.
A kind of technical scheme that is used to obtain than thick-layer is to use Faradaic current.The pH that obtains regulating easily through electrolytic reaction moves and the growth of adjustable ganglionic layer thus.
JP-A-85/211080 relates to a kind of method that under the situation that intermittently applies cathodic current, on the metallic surface, produces corrosion protection coating by phosphoric acid zinc impregnation solution.Wherein especially on the edge of pending metallic surface, also obtained corrosion resistant resist.
EP-A-0171790 discloses a kind of similar method.Wherein handle with the acidic aqueous solution that contains zine ion, phosphate anion and cl ions after the phosphoric acid zinc impregnation of routine the metallic surface, wherein on the metallic surface of anodizing, applies direct current simultaneously.
By the known a kind of metal surface phosphor acidifying method that is used for of DE-4111186A1; Be preferred for the phosphated method of electrogalvanizing or the galvanized surface of steel plate of melt impregnation; This method is wherein used the said workpiece of direct current anodizing simultaneously through carrying out with acidic aqueous phosphating solution processing in dipping or in the sprinkling dipping.Wherein handle by phosphating solution, this phosphating solution comprises the Zn of following component: 0.1-5g/l
2+Positively charged ion; The PO of 5-50g/l
4 3-Negatively charged ion; 0.1-50g/l NO
3 -Negatively charged ion; 0.1-5g/l Ni
2+The Co of positively charged ion and/or 0.1-5g/l
2+Positively charged ion.The pH value of this phosphating solution is 1.5-4.5, and the temperature of phosphating solution is 10-80 ℃.The galvanic current density of during phosphatize, this workpiece being carried out anodizing is 0.01-100mA/cm
2
The defective of tradition phosphatize method is that it is confined to low alloy steel and Zn and Al, and the gained layer is owing to be to be constituted and do not had a cathodic protection property by the zn phosphate crystal.In addition, in most of the cases need activation in advance.
Advantage of the present invention
With respect to prior art, the method that is used for the phosphated metal surface of the present invention has following advantage, promptly forms thickness and is close to the dense layer that can regulate arbitrarily.
Another advantage is that the gained layer has significantly higher erosion resistance.
In addition advantageously, can need not activation ground and carry out phosphatize.
Other favourable improvement of the present invention are provided by the measure of mentioning in the dependent claims.
Like this, electrolysis can for example perhaps be carried out under these two portions mix in constant voltage or constant current.
The accompanying drawing summary
Embodiments of the invention have been described in the drawings and description in more detail in the specification sheets of back.Accompanying drawing has shown preparing method's of the present invention schematic diagram.
Embodiment
Target of the present invention is to develop the electrolysis coating method that is used for the phosphated metal surface, and wherein the hole in phosphate layer is able to fill through metallic zinc or zinc alloy.According to the method for the invention, in same electrolytic solution with form the electrolytic deposition that the zn phosphate crystal side by side carries out zinc or zinc alloy.Method of the present invention is opposite with conventional phosphatize method, in ordinary method purify or pickling after in titanium phosphate suspension-s, flood workpiece (in pH~9 time about 60 seconds), method of the present invention then need not preparatory reactivation process.At j=-10--50A/dm
2Current density under cambial speed be about 3-20 μ m/min, this is very fast.In the ordinary method of using so far, only deposit with about 1 μ m/min.Utilize aforesaid method, except low alloy steel, can also directly be coated with coating stainless steel and other precious metals and base metal material (for example Al, Al alloy, Cu, Cu alloy, Ni, Ni alloy etc.).In contrast, in currentless method, only can on permission pickling erosive material, deposit, because otherwise it can not reach above-mentioned required pH migration.Wherein said electrolysis both can also can be regulated on constant current ground on constant voltage ground, perhaps mixed with these two portions and carried out.
Formed dense layer through method of the present invention, this layer is characterised in that the space between the zn phosphate crystal is filled by the zinc or the zinc alloy network of metal deposition.Through forming the zinc or the zinc alloy of conduction simultaneously, the pH migration (promptly by the outside electronics being provided) of electrolytic initiation can take place, and through the H at zinc surface
+Reduction realize the almost bed thickness growth arbitrarily of zinc (zinc alloy)/zinc phosphate layer.
Said accompanying drawing shows the schematic diagram according to coating method of the present invention.Wherein, in a conventional electrolysis pond 10 with working electrode 11, through electrolytic solution 13 zinc/zinc phosphate layer 14 is deposited on the base metal 11, wherein said working electrode is made up of corresponding base metal and counter electrode 12.As stated, opposite with the standard phosphatize, being used herein to the required electronics of pH migration is not the iron rot (pickling on base metal is corroded) from low alloy steel, but from external current source 15.This protective current especially also is used to make base metal 11 not weather.
About 3 μ m that can almost deposit sealing (promptly atresia) as far as possible by method of the present invention without restriction are to about 500 μ m mixolimnions (with the metal phosphate layer of zinc, zinc/nickel no bare substrate metal of filling for example).The layer that routine obtains has about 5 hours patience to forming iron rust in the salt spray test, and can in the salt spray test, reach the patience greater than 1000 hours by 20-30 μ m zinc/zn phosphate mixolimnion.After 30 seconds phosphatize time, just reached and surpassed 420 hours erosion resistance.
Coating method of the present invention can carry out in the electrolyzer that routine is used.Wherein counter electrode both can be made up of for example noble metal plate such as platinum, Pt/Ti or gold, also can be by constituting like base metal sacrificial anodes such as Zn, Ni, Fe, and this counter electrode is used for transporting continuously metals ion.Can use stainless steel and bronze, Cu, Cu alloy, Ni, Ni alloy etc. as the working electrode (base metal) that deposits said layer above that.Electrolytic solution is the electrolytic solution that in not containing the phosphatize purposes of extrinsic current, uses basically.Wherein said electrolytic solution can for example contain:
Zn
2+:5-50g/l
H
2PO
4 -:5-80g/l
For this reason, importantly use so-called high zinc to bathe (Hochzinkbad), its zinc content is greater than 5g/l, and zinc content is merely about 1-5g/l in normal common low zinc is bathed, and wherein can not cause simple substance zinc or zinc alloy deposition between phosphate crystal.
In addition, said electrolytic solution can contain the ion that can form the element of alloy with zinc, makes deposition zinc alloy in deposition phosphatize layer.What it is also conceivable that is to add nano particle and organic molecule.Other possible bath additives that are used for layer is carried out modification are polyphosphate/ester, borate/ester, organic polyhydroxy compound, phosphoglyceride and fluorochemical.Can for example consider the ion of divalent metal M for additional ions, wherein other divalent metal M is selected from Ni, Fe, Co, Cu, Mn etc.
Said reaction can be carried out under the situation of adding or not adding accelerator.Can consider for example urea, nitrate salt, nitrite, oxymuriate, bromate, hydrogen peroxide, ozone, organic nitro-body, superoxide, oxyamine or their mixture as accelerator.As the accelerator nitrate ion in the 0-20g/l scope advantageously.The pH value of bathing is 1.5-4, is preferably 2.5-3.5.Can deposit binary alloy, ternary alloy or more senior alloy through adding Zn salt, Ni salt, Co salt, Fe salt or Mn salt.Metals ion also can be supplied with electrolytic solution by anode dissolution.
Aspect electrolytic condition, said electrolytic solution can be immobilized or mobile in said technology.Current density is greater than-1A/dm
2And preferably be in about j=-1 to about j=-100A/dm
2Between.Especially preferred be current density-5~-50A/dm
2Between.Electrolyte temperature is greater than 40 ℃ and is preferably 40~80 ℃, especially preferred 60~70 ℃.
As stated, electrolytic process both can also can be regulated and control on constant current ground on constant voltage ground, wherein can use direct current or pulse direct current.Through regulating local current densities, promptly pass through typing and/or mixed flow between anode and the workpiece, can regulate layer thickness distribution.Can also apply geometrical shape by this way and require harsh parts.
Claims (17)
1. the method for phosphated metal layer; It carries out through using under the galvanic situation electrolytic deposition by acidic aqueous solution at the same time; This acidic aqueous solution contains zine ion and phosphate anion at least; Said method is characterised in that, in same electrolytic solution, in deposition phosphatize layer, carries out the electrolytic deposition of zinc, and wherein current density is greater than-5A/dm
2, and said acidic aqueous solution also contains nano particle or organic molecule.
2. the method for claim 1 is characterized in that, temperature is greater than 40 ℃.
3. the method for claim 2 is characterized in that, temperature be greater than 40 ℃~smaller or equal to 80 ℃.
4. the method for claim 2 is characterized in that, temperature is 60~70 ℃.
5. the method for claim 1 is characterized in that, the contained zine ion of said electrolytic solution is greater than 5g/l, and institute's phosphorus-containing acid ion is greater than 10g/l.
6. the method for claim 5 is characterized in that, the contained zine ion of said electrolytic solution is smaller or equal to 50g/l greater than 5g/l-.
7. the method for claim 5 is characterized in that, said electrolytic solution institute phosphorus-containing acid ion is smaller or equal to 80g/l greater than 10g/l-.
8. the method for claim 1 is characterized in that, said metal level is selected from stainless steel, Al, Al alloy, Cu, Cu alloy, Ni and Ni alloy.
9. the method for claim 1 is characterized in that, the pH value of said electrolytic solution is 1.5~4.
10. the method for claim 9 is characterized in that, the pH value of said electrolytic solution is 2.5~3.5.
11. the method for claim 1 is characterized in that, in said electrolytic solution, adds accelerator.
12. the method for claim 11 is characterized in that, said accelerator is selected from urea, nitrate salt, nitrite, oxymuriate, bromate, ozone, organic nitro-body, superoxide, oxyamine or their mixture.
13. the method for claim 1 is characterized in that, the salt of extra interpolation Zn salt, Ni salt, Co salt and/or Mn in electrolytic solution.
14. the method for claim 1 is characterized in that, said electrolysis constant voltage or constant current or two portions mixing are carried out.
15. the method for claim 1 is characterized in that, the layer thickness distribution on metal level is regulated through local current densities.
16. the method for claim 1 is characterized in that, said direct current is pulse.
17. the method for claim 1 is characterized in that, layer formation speed is 3-20 μ m/ minute.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10348251A DE10348251A1 (en) | 2003-10-16 | 2003-10-16 | Electrolytic process for phosphating metal surfaces and phosphated metal layer |
DE10348251.2 | 2003-10-16 | ||
PCT/EP2004/052269 WO2005038095A2 (en) | 2003-10-16 | 2004-09-22 | Electrolytic method for phosphating metal surfaces and phosphated metal layer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1867704A CN1867704A (en) | 2006-11-22 |
CN1867704B true CN1867704B (en) | 2012-03-14 |
Family
ID=34428451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480030171.3A Expired - Fee Related CN1867704B (en) | 2003-10-16 | 2004-09-22 | Electrolytic method for phosphating metal surfaces and phosphated metal layer |
Country Status (8)
Country | Link |
---|---|
US (1) | US20070295608A1 (en) |
EP (1) | EP1675975A2 (en) |
JP (1) | JP2007508457A (en) |
CN (1) | CN1867704B (en) |
BR (1) | BRPI0415520A (en) |
DE (1) | DE10348251A1 (en) |
TR (1) | TR200601814T1 (en) |
WO (1) | WO2005038095A2 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006035974A1 (en) * | 2006-08-02 | 2008-02-07 | Robert Bosch Gmbh | Process for phosphating a metal layer |
AU2009260794A1 (en) * | 2008-06-18 | 2009-12-23 | Massachusetts Institute Of Technology | Catalytic materials, electrodes, and systems for water electrolysis and other electrochemical techniques |
CN101643928B (en) * | 2009-09-09 | 2011-01-05 | 重庆科技学院 | Method for electrodepositing phosphate/metal composite film on cathode of surface of magnesium alloy |
DE102010030465B4 (en) | 2010-06-24 | 2023-12-07 | Bayerische Motoren Werke Aktiengesellschaft | Method for producing a sheet metal part from a high-strength steel sheet material with an electrolytically applied zinc-nickel coating |
DE102011100974A1 (en) * | 2011-05-09 | 2012-11-15 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Rail wheel and method for producing a rail wheel |
CN102212864A (en) * | 2011-06-10 | 2011-10-12 | 沈阳理工大学 | Method for modifying electrolysis phosphorization membrane |
US9393759B2 (en) * | 2013-10-24 | 2016-07-19 | General Electric Company | Metal laminate structures with systems and methods for treating |
DE102016100245A1 (en) | 2016-01-08 | 2017-07-13 | Staku Anlagenbau Gmbh | Self-lubricating electrodeposited phosphating coating |
CN105951155B (en) * | 2016-06-01 | 2017-12-29 | 中钢集团郑州金属制品研究院有限公司 | A kind of steel wire double method for bonderizing and its continuous producing apparatus online |
CN107630243B (en) * | 2017-10-16 | 2019-07-02 | 浙江五源科技股份有限公司 | A kind of electrolytic preparation method of complex phosphate coating |
CN114824263B (en) * | 2021-01-29 | 2024-03-19 | 中南大学 | Zn@Zn-E composite negative electrode, preparation method thereof and application thereof in water-based zinc ion battery |
CN114883560B (en) * | 2021-02-05 | 2024-03-19 | 中南大学 | Three-dimensional current collector/Zn/Zn-E composite negative electrode, preparation thereof and application thereof in water-based zinc ion battery |
CN114737179B (en) * | 2022-05-05 | 2024-05-24 | 东南大学 | High-temperature alloy heat-resistant phosphating film, and preparation method and application thereof |
Citations (1)
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US3449222A (en) * | 1964-08-13 | 1969-06-10 | Hooker Chemical Corp | Metal coating process |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US2540314A (en) * | 1947-07-24 | 1951-02-06 | Parker Rust Proof Co | Process and compositions for applying phosphate coatings |
US3449229A (en) * | 1966-08-08 | 1969-06-10 | Hooker Chemical Corp | Electrophoretic deposition on zinc enriched metal surface |
JP2534280B2 (en) * | 1987-02-05 | 1996-09-11 | 日本パーカライジング株式会社 | Zinc-based composite plating metal material and plating method |
US5232523A (en) * | 1989-03-02 | 1993-08-03 | Nippon Paint Co., Ltd. | Phosphate coatings for metal surfaces |
JPH0336296A (en) * | 1989-06-29 | 1991-02-15 | Nippon Parkerizing Co Ltd | Surface treatment of stainless steel |
JPH0436498A (en) * | 1990-06-01 | 1992-02-06 | Nippon Parkerizing Co Ltd | Surface treatment of steel wire |
US5645706A (en) * | 1992-04-30 | 1997-07-08 | Nippondenso Co., Ltd. | Phosphate chemical treatment method |
JP2000144494A (en) * | 1998-09-11 | 2000-05-26 | Nippon Parkerizing Co Ltd | Formation of lubricating film for cold heading |
JP2000160394A (en) * | 1998-12-01 | 2000-06-13 | Nippon Parkerizing Co Ltd | Short time phosphate treatment of ferrous metallic material |
JP4870872B2 (en) * | 2001-02-23 | 2012-02-08 | 株式会社キリウ | Rotating brake member for vehicle brake device and rust prevention treatment method thereof |
-
2003
- 2003-10-16 DE DE10348251A patent/DE10348251A1/en not_active Withdrawn
-
2004
- 2004-09-22 EP EP04787187A patent/EP1675975A2/en not_active Withdrawn
- 2004-09-22 BR BRPI0415520-3A patent/BRPI0415520A/en not_active Application Discontinuation
- 2004-09-22 US US10/575,907 patent/US20070295608A1/en not_active Abandoned
- 2004-09-22 CN CN200480030171.3A patent/CN1867704B/en not_active Expired - Fee Related
- 2004-09-22 JP JP2006534745A patent/JP2007508457A/en not_active Withdrawn
- 2004-09-22 TR TR2006/01814T patent/TR200601814T1/en unknown
- 2004-09-22 WO PCT/EP2004/052269 patent/WO2005038095A2/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3449222A (en) * | 1964-08-13 | 1969-06-10 | Hooker Chemical Corp | Metal coating process |
Also Published As
Publication number | Publication date |
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BRPI0415520A (en) | 2006-12-26 |
DE10348251A1 (en) | 2005-05-12 |
EP1675975A2 (en) | 2006-07-05 |
CN1867704A (en) | 2006-11-22 |
TR200601814T1 (en) | 2007-01-22 |
WO2005038095A2 (en) | 2005-04-28 |
WO2005038095A3 (en) | 2005-07-14 |
JP2007508457A (en) | 2007-04-05 |
US20070295608A1 (en) | 2007-12-27 |
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