CN1119437C - Non-corrosion pulsively electrochemical polishing solution and process - Google Patents
Non-corrosion pulsively electrochemical polishing solution and process Download PDFInfo
- Publication number
- CN1119437C CN1119437C CN 98119024 CN98119024A CN1119437C CN 1119437 C CN1119437 C CN 1119437C CN 98119024 CN98119024 CN 98119024 CN 98119024 A CN98119024 A CN 98119024A CN 1119437 C CN1119437 C CN 1119437C
- Authority
- CN
- China
- Prior art keywords
- content
- corrosion
- polishing solution
- electrochemical polishing
- solution
- 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.)
- Expired - Fee Related
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 33
- 238000005260 corrosion Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 29
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 18
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000007797 corrosion Effects 0.000 claims abstract description 16
- 238000005516 engineering process Methods 0.000 claims abstract description 11
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 8
- 239000004094 surface-active agent Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 38
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000008151 electrolyte solution Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 229960001484 edetic acid Drugs 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000007935 neutral effect Effects 0.000 description 6
- 238000002310 reflectometry Methods 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 description 1
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- OMBRFUXPXNIUCZ-UHFFFAOYSA-N dioxidonitrogen(1+) Chemical compound O=[N+]=O OMBRFUXPXNIUCZ-UHFFFAOYSA-N 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- -1 polyoxyethylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to an electrochemical polishing solution without corrosion and pulses and a technology. The polishing solution uses phosphoric acid, sulfuric acid, ethylene glycol, polyethylene glycol, a perfluoro-surfactant, ethylene diamine tetraacetic acid, Lan 826 and water as raw materials, and can be used under a wider operating temperature and current density.
Description
The invention belongs to a kind of non-corrosion pulsively electrochemical polishing solution and technology, be specially adapted to the electrochemical etching of aluminium and alloy thereof, copper and alloy thereof and all kinds stainless steel surface.
The traditional electrical chemical polishing soln can be divided into two big kinds, and a kind of is neutral solution, and another kind is an acidic solution." electromachining " introduced neutral electrochemical etching solution major ingredient in 1993 the 1st in the phase 12-15 page or leaf be nitrate, nitrite and water etc., this solution major advantage is the skin nonirritant, but because nitrite content is high in the solution, therefore solution toxicity is bigger, and nitrate or nitrite are under the strong polarized action of electrochemistry, produce a large amount of nitrogen peroxide toxic gases, easily cause environmental pollution, neutral electrochemical etching solution only limits to the polishing of austenitic stainless steel, and can only reduce limited roughness, generally on former workpiece roughness basis, only improve two-stage, neutral in addition electrochemical etching solution-operated temperature is higher, polishing time is longer, and generally at 5-20 minute, and current efficiency is low, less than 40%, for the surface finish of main equipment, adopt the neutral solution temperature restive, and polishing process is very slow.CN1150982A discloses a kind of acidic solution, make moderate progress at more neutral polishing solution aspect polishing velocity and the environmental pollution, be applicable to multiple medal polish problem simultaneously but still can not solve, this solution is owing to adopt the conventional DC power supply, make the polishing solution self-repair function reduce, and actuating current scope and operating temperature range are narrower, and it is wayward to be prone to excessive erosion, chemical corrosion, parameter, phenomenons such as surface finish quality instability.
Purpose of the present invention has just provided a kind of non-corrosion pulsively electrochemical polishing solution and technology, can be widely used in copper, aluminium and alloy thereof, and the polishing of all kinds stainless steel surface, and do not produce uniform corrosion and local corrosion, polishing solution can use under the service temperature of broad and current density.
Technical scheme of the present invention is achieved in that
A kind of non-corrosion pulsively electrochemical polishing solution and technology, phosphorus acid content is 30-60%, sulfuric acid content is 20-40%, ethylene glycol content is 0.3-3%, polyethyleneglycol content is 1-3%, perfluor table and promoting agent is 10-50PPM, and ethylenediamine tetraacetic acid (EDTA) content is 1-5%, LAN826 is 0.25-0.6%, and water is 12-25%; The optimum proportion of each component: phosphatase 24 0%, sulfuric acid 30%, ethylene glycol 3%, polyoxyethylene glycol 2%, perfluorinated surfactant 30PPM, ethylenediamine tetraacetic acid (EDTA) 3%, LAN826 are 0.4%, water is 22%; By power supply processed workpiece as positive pole, as negative pole, positive and negative electrode immerses in the electrolytic solution with inert material, power supply adopts the pulse power; The ratio of pulse length to the total cycle length of the pulse power is more than or equal to 2: 1, smaller or equal to 10: 1; Actuating current density is 5-300A/dm
2Operating temperature range is 5-120 ℃.
Advantage of the present invention is.Be applicable to aluminium and alloy thereof, copper and alloy thereof and all kinds stainless steel, service temperature and actuating current density range are wide, do not produce uniform corrosion and local corrosion, and polishing solution is nontoxic, firing property of nothing, and polishability is good.
Below in conjunction with embodiment the present invention is described further.
At first prepare polishing solution I, its prescription is: phosphorus acid content is 30%.Sulfuric acid content is 40%, and ethylene glycol content is 3%, and polyethyleneglycol content is 3%, and perfluorinated surfactant content is 10PPM, and ethylenediamine tetraacetic acid (EDTA) content is 5%, and LAN826 content is 0.6%, and water-content is 18.4%.
Preparation polishing solution II, its prescription is: phosphorus acid content is 60%.Sulfuric acid content is 20%, and ethylene glycol content is 0.3%, and polyethyleneglycol content is 1%, and perfluorinated surfactant content is 50PPM, and ethylenediamine tetraacetic acid (EDTA) content is 1%, and LAN826 content is 0.25%, and water-content is 17.45%.
Preparation polishing solution III, its prescription is: phosphorus acid content is 40%, sulfuric acid content is 30%, ethylene glycol content is 3%, and polyethyleneglycol content is 2%, and perfluorinated surfactant content is 30PPM, ethylenediamine tetraacetic acid (EDTA) content is 3%, and LAN826 content is 0.4%, and water-content is 21.6%.
Preparation polishing solution IV, its prescription is: phosphorus acid content is 50%, sulfuric acid content is 20%, ethylene glycol content is 2%, and polyethyleneglycol content is 2%, and perfluorinated surfactant content is 30PPM, ethylenediamine tetraacetic acid (EDTA) content is 4%, and LAN826 content is 0.5%, and water-content is 21.5%.
By the pulse power processed workpiece as positive pole, as negative pole, positive and negative electrode immerses in the electrolytic solution with inert material, 2: 1≤ratio of pulse length to the total cycle length≤10: 1, inert material aluminium, copper, stainless steel, graphite or lead.
Example 1: the commercial-purity aluminium surface finish, adopting above-mentioned arbitrary solution is polishing solution, 50 ℃ of service temperatures, current density: 80-100A/dm
2, groove is pressed 15V, ratio of pulse length to the total cycle length 3: 1.The result: the commercial-purity aluminium surface reaches mirror effect, and reflectivity is greater than 95%.
Example 2: the aluminum magnesium alloy surface finish, adopting above-mentioned arbitrary solution is 80 ℃ of polishing solution service temperatures, current density 100-150A/dm
2, groove is pressed 20V, and ratio of pulse length to the total cycle length is 3: 1.The aluminum magnesium alloy surface reaches mirror effect as a result, and reflectivity is greater than 90%.
Example 3: the industrial pure copper surface finish, adopting above-mentioned arbitrary solution is polishing solution, service temperature is 40 ℃, current density 50-80A/dm
2, groove is pressed 15V, and ratio of pulse length to the total cycle length is 4: 1, the result: the industrial pure copper surface reaches mirror effect, and reflectivity is greater than 95%.
Example 4: the copper zinc alloy surface finish, adopting above-mentioned arbitrary solution is polishing solution, service temperature is 40 ℃, current density 50-80A/dm
2, groove is pressed 15V, and ratio of pulse length to the total cycle length is 4: 1, the result: the copper zinc alloy surface reaches mirror effect, and reflectivity is greater than 95%.
Example 5: the austenitic stainless steel surface finish, adopting above-mentioned arbitrary solution is polishing solution, 10 ℃ of service temperatures, current density 20-40A/dm
2, groove is pressed 8V, ratio of pulse length to the total cycle length 8: 1, and the result: the austenitic stainless steel surface reaches mirror effect, and reflectivity is greater than 98%.
6: one diameter 800mm of example, the surface finish of long 2000mm stainless steel cylinder, adopting above-mentioned arbitrary solution is polishing solution, 20 ℃ of service temperatures, current density 30～60A/dm
2, groove is pressed 18V, and ratio of pulse length to the total cycle length 3: 1, polishing mode adopt stainless steel cylinder rotation, the negative pole mode of moving forward and backward to carry out.The result: the stainless steel cylinder internal surface all reaches mirror effect, and reflectivity is greater than 90%.
Claims (6)
1, a kind of non-corrosion pulsively electrochemical polishing solution and technology, it is characterized in that: phosphorus acid content is 30-60%, sulfuric acid content is 20-40%, ethylene glycol content is 0.3-3%, polyethyleneglycol content is 1-3%, and perfluorinated surfactant is 10-50PPM, and ethylenediamine tetraacetic acid (EDTA) content is 1-5%, LAN826 content is 0.25-0.6%, and water-content is 12-25%.
2, according to a kind of non-corrosion pulsively electrochemical polishing solution and the technology described in the claim 1, it is characterized by: the optimum proportion of each component: phosphorus acid content is 40%, sulfuric acid content is 30%, ethylene glycol content is 3%, polyethyleneglycol content is 2%, perfluorinated surfactant is that 30PPM, ethylenediamine tetraacetic acid (EDTA) content are 3%, LAN826 is 0.4%, water-content is 22%.
3, according to a kind of non-corrosion pulsively electrochemical polishing solution and the technology described in the claim 1, by power supply processed workpiece as positive pole, as negative pole, positive and negative electrode soaks in people's electrolytic solution with inert material, it is characterized by power supply and adopts the pulse power.
4, according to a kind of non-corrosion pulsively electrochemical polishing solution and the technology described in the claim 3, it is characterized by: the ratio of pulse length to the total cycle length of the pulse power is more than or equal to 2: 1, smaller or equal to 10: 1.
5, according to a kind of non-corrosion pulsively electrochemical polishing solution and the technology described in the claim 3, it is characterized by actuating current density is 5-300A/dm
2
6, according to a kind of non-corrosion pulsively electrochemical polishing solution and the technology described in the claim 3, it is characterized by operating temperature range is 5-120 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98119024 CN1119437C (en) | 1998-09-25 | 1998-09-25 | Non-corrosion pulsively electrochemical polishing solution and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98119024 CN1119437C (en) | 1998-09-25 | 1998-09-25 | Non-corrosion pulsively electrochemical polishing solution and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1249367A CN1249367A (en) | 2000-04-05 |
| CN1119437C true CN1119437C (en) | 2003-08-27 |
Family
ID=5226222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98119024 Expired - Fee Related CN1119437C (en) | 1998-09-25 | 1998-09-25 | Non-corrosion pulsively electrochemical polishing solution and process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1119437C (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336881C (en) * | 2002-10-31 | 2007-09-12 | 长兴开发科技股份有限公司 | Chemical Mechanical Polishing Slurry Compositions and Methods of Using the Same |
| CN100422392C (en) * | 2004-10-13 | 2008-10-01 | 北京有色金属研究总院 | Electrochemical Polishing Process of Coated Superconductor Nickel Base Strip |
| CN101327710B (en) * | 2007-06-22 | 2010-08-25 | 比亚迪股份有限公司 | A method for decorating metal surfaces |
| CN102312276A (en) * | 2011-08-22 | 2012-01-11 | 吴江市精工铝字制造厂 | Electrolytic polishing solution for aluminium silicon alloy |
| CN103122475B (en) * | 2011-11-21 | 2015-11-25 | 比亚迪股份有限公司 | A kind of aluminium alloy electric chemical brightening solution and a kind of aluminium alloy electric chemically polishing method |
| CN103343345A (en) * | 2013-07-24 | 2013-10-09 | 太仓市协诚金属制品有限公司 | Novel environment-friendly polishing process for stainless steel metal product |
| CN103603027B (en) * | 2013-11-07 | 2017-01-04 | 昆明理工大学 | A kind of palladium and the electrochemical polishing method of alloy thereof |
| CN103923571B (en) * | 2014-04-25 | 2016-07-06 | 苏州新材料研究所有限公司 | Polishing fluid and its preparation method and application |
| CN104388938A (en) * | 2014-11-05 | 2015-03-04 | 辽宁石油化工大学 | Electrochemical polishing liquid for aluminum alloy welding wire and electrochemical polishing method |
| CN105624770B (en) * | 2014-11-26 | 2018-02-02 | 乐普（北京）医疗器械股份有限公司 | Electrochemical polishing solution for cobalt-based alloy |
| EP3109348B1 (en) * | 2015-06-24 | 2020-06-03 | Airbus Defence and Space GmbH | Electrolyte and process for the electrolytic polishing of a metallic substrate |
| CN105220216B (en) * | 2015-09-28 | 2017-08-25 | 中国科学院兰州化学物理研究所 | A kind of aluminum or aluminum alloy electrochemical polishing method |
| DE102016125244A1 (en) | 2016-12-21 | 2018-06-21 | Airbus Defence and Space GmbH | Process for electropolishing a metallic substrate |
| TWI694181B (en) * | 2018-08-29 | 2020-05-21 | 陳嘉朗 | Frequency conversion polarization of polishing device and method |
| CN112921389B (en) * | 2019-12-06 | 2022-02-08 | 中国科学院上海硅酸盐研究所 | Electrochemical polishing solution for copper foil surface pretreatment and application thereof |
| WO2023278212A1 (en) * | 2021-07-02 | 2023-01-05 | Postprocess Technologies, Inc. | Solutions and methods for treating additive manufactured compositions |
-
1998
- 1998-09-25 CN CN 98119024 patent/CN1119437C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1249367A (en) | 2000-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1119437C (en) | Non-corrosion pulsively electrochemical polishing solution and process | |
| US6197178B1 (en) | Method for forming ceramic coatings by micro-arc oxidation of reactive metals | |
| CN100334244C (en) | Manufacturing method of metal ceramic power machinery product | |
| CN100510197C (en) | Element of arc oxidation electrolyte of environmental protection type magnesium alloy, and method of element of arc oxidation | |
| CN104690381A (en) | Cutting wire for one-way wire traveling of low magnesia and manufacturing method thereof | |
| CA1110575A (en) | Electrolyte for electrochemical machining of nickel base superalloys | |
| CN101342624A (en) | Method for Improving Surface Integrity in Wire Cutting EDM | |
| CA2147733A1 (en) | Fused Fluoride Electrolytes for Magnesium Oxide Electrolysis in the Production of Magnesium Metal | |
| CN101054715A (en) | Electrochemical copper removing solution | |
| CN101113529A (en) | A kind of magnesium-based micro-arc oxidation electrolyte and micro-arc oxidation method thereof | |
| CN108221041B (en) | Method for electropolishing metal substrates | |
| CN114214717A (en) | Aluminum alloy processing solution and preparation method thereof | |
| CN1936099A (en) | Microarc oxidation treatment process using fresh water as solvent | |
| CN111763979A (en) | A kind of preparation method of high-life anode material | |
| KR102297887B1 (en) | Method and apparatus for reducing ferric ion in sulfuric acid bath for eletroplating iron | |
| CN117047206B (en) | A titanium alloy mixed gas atomization discharge ablation processing method combining positive and negative polarity and its processed parts | |
| KR20230159574A (en) | Method for removing ferric ions from sulfate-based iron electroplating solution | |
| CN115026364B (en) | Electrolyte and method for reducing pitting corrosion under electrolytic machining condition of titanium alloy | |
| SU1157146A1 (en) | Method of copper electroplating and simultaneous removal of admixtures from electrolyte | |
| CN1405358A (en) | Cathode block coated with titanium boride metal-ceramic composite material and its preparation method | |
| CN85102657A (en) | The electropolishing method on copper zinc alloy surface | |
| US3230160A (en) | Electrolyte for electrochemical material removal | |
| CN103386520B (en) | The electrode zero draft low-loss electric-spark drilling liquid that can be recycled | |
| CN118531487A (en) | Method for removing oxide skin of brass wire | |
| CN103274882B (en) | A kind of Linear cut intermetallic composite coating explosive agent and its preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |