CN109576753A - A kind of plasma electrolysis oxidation method of relative motion between electrode - Google Patents
A kind of plasma electrolysis oxidation method of relative motion between electrode Download PDFInfo
- Publication number
- CN109576753A CN109576753A CN201710903120.6A CN201710903120A CN109576753A CN 109576753 A CN109576753 A CN 109576753A CN 201710903120 A CN201710903120 A CN 201710903120A CN 109576753 A CN109576753 A CN 109576753A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- electrode
- relative motion
- plasma
- working electrode
- 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.)
- Pending
Links
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
- C25D11/02—Anodisation
- C25D11/022—Anodisation on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/04—Electroplating with moving electrodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/08—Electroplating with moving electrolyte e.g. jet electroplating
Abstract
The invention discloses a kind of plasma electrolysis oxidation methods of relative motion between electrode, it includes preparing plasma electrolytic oxidation electrolyte according to the material for being reinforced processing workpiece；Surface clean oil removing pretreatment is carried out to workpiece to be handled；Piece pole and working electrode are connected on the anode and cathode of plasma electrolytic oxidation power supply respectively；With electrolyte spray head to jet electrolytic liquid between two electrodes；Combined floodgate powers on；It is disposed, break lock；It is rinsed with water after removing workpiece, spontaneously dries or artificial drying.The present invention can carry out surface modification treatment to big workpiece with small working electrode and small electrolytic cell, and workpiece size is not by the capacity limit of power supply and electrolytic cell；It can according to need and local surfaces modification is carried out to workpiece, user scene can also be arrived, intensive treatment is carried out to the local surfaces that needs are strengthened in the case where not dismantling or Zhi Xu partial disassembly.It is able to extend the service life of electrolyte simultaneously, reduces energy consumption.
Description
Technical field
The present invention relates to metal surface ceramic reinforced technical field, more particularly between a kind of electrode relative motion it is equal from
Sub- electrolytic oxidation method.
Background technique
Plasma electrolysis oxidation surface ceramic deposition technology is a kind of in the growth of the valve metal alloys surface in situ such as aluminium, magnesium, titanium
The new technology of ceramic layer.Its principle is to apply high electricity on workpiece by dedicated plasma electrolysis oxidation surface ceramic deposition power supply
Pressure makes the metal of workpiece surface and electrolyte solution interact to form liquid phase plasma, utilizes plasma discharge in water
Enhance and activate the reaction occurred on anode, while workpiece surface generates anodic film, passes through plasma discharge
Instantaneous degree high temperature up to ten thousand carry out decrystallized or amorphous state-crystallization to the film, and along with the growth of film thickness.The ceramic layer is from base
Body metal surface, while consuming what the element growth in situ in matrix and electrolyte got up, so having between parent metal
Excellent binding force property.The oxide ceramic layer hardness is high, wear-resistant, corrosion-resistant, high temperature oxidation resisting, insulation, thus reachable
To the reinforcing of good workpiece surface and functionalization purpose, therefore, which can be widely applied to space flight, aviation, machinery, petroleum
The industries such as chemical industry, weaving, light industry, medical treatment.Such as: the primary and secondary guided missile propulsion device of aluminium alloy, the bullet bottom of shell, the work in internal combustion engine
Cylinder, tobacco machine be wear-resisting in plug, the cylinder in pneumatic element and spool, pneumatic tools and corrosion resistant part, textile machine in guide
Pickup roller and print roller etc. in wheel and spinning cup, printing machine.The automobile engine cover and cabinet of magnesium alloy, pedal, steering wheel and
The shell etc. of seat, 3C Product and electric tool.Anticorrosion antiwear component in the naval vessel submarine of titanium alloy, in petrochemical industry, medical industry
Corrosion resistant container and medical instrument and device etc..In addition, the technical operating procedure is simple, noiseless, pollution-free, meet environment-friendly type
The requirement of technological development trend.
In the prior art, with workpiece for an electrode, the corrosion-resistant conductives material such as stainless steel is another electrode, is immersed in electrolytic cell
Two interior electrodes pass through conducting wire respectively and are connected on the anode and cathode port of plasma electrolysis oxidation power supply, then open electricity
Lock applies sufficiently high voltages to two electrodes, through after a period of time can be by the principle of above-mentioned plasma electrolysis oxidation in workpiece
Metal surface forms certain thickness oxide ceramic layer.By the workpiece of ceramic treatment in the progress of plasma electrolysis oxidation process
Must be immersed in electrolytic cell, and relatively fixed with working electrode, therefore have the following problems entirely: processed workpiece size is electrolysed
Slot size and power limitation；It is not easy to the local ceramic treatment of big workpiece working site；Workpiece surface electrolyte updates
Speed is slow, and current efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of plasma electrolysis oxidation method of relative motion between electrode, the present invention uses work
Part electrode and the mode of working electrode relative motion carry out plasma electrolysis oxidation ceramic surface modification treatment, this hair to workpiece
Bright to carry out surface modification treatment to big workpiece with small working electrode and small electrolytic cell, workpiece size is not by power supply and electrolytic cell
The limitation of capacity.
The scheme that the present invention solves technical problem is: a kind of plasma electrolysis oxidation method of relative motion between electrode, it
The following steps are included:
1) plasma electrolytic oxidation electrolyte is prepared according to the material for being reinforced processing workpiece；
2) surface clean oil removing pretreatment is carried out to workpiece to be handled；
3) piece pole and working electrode are connected on the anode and cathode of plasma electrolytic oxidation power supply respectively, the work
Make the relative motion of both electrode and piece pole；
4) it uses electrolyte spray head to jet electrolytic liquid between two electrodes, or is kept with cathode spray head to workpiece jet electrolytic liquid
Two electrodes while and electrolyte contacts；
5) it closes a floodgate and powers on, plasma electrolytic oxidation ceramic surface modification treatment is carried out to workpiece；
6) it is disposed, break lock；
7) it is rinsed with water after removing workpiece, natural drying or artificial drying.
Both the working electrode and piece pole are translatable, or rotation, or both compound motion.
The spacing of the working electrode and piece pole is 10~250 millimeters.
The speed of related movement of the working electrode and piece pole is 5~50 ms/min.
The working electrode, that is, cathode spray head jet electrolytic liquid level product is 1~200 square centimeter.
The working electrode, that is, cathode spray head flow of electrolyte is 0.5~10 liter/min.
The current density of the piece pole is 5~30 amperes/square decimeter.
Compared with prior art, present invention has the advantage that the present invention can use small working electrode and small electrolytic cell pair
Big workpiece carries out surface modification treatment, and workpiece size is not by the capacity limit of power supply and electrolytic cell；It can according to need to workpiece
Local surfaces modification is carried out, user scene can also be arrived in the case where not dismantling or Zhi Xu partial disassembly to needing to strengthen
Local surfaces carry out intensive treatment.Jet electrolytic liquid accelerates electrolyte circulation, may advantageously facilitate the electrolysis near electrode surface
Liquid quickly updates, and eliminates the concentration polarization effect for being unfavorable for high quality ceramic, while being able to extend the service life of electrolyte,
Current density and current efficiency are improved, energy consumption is reduced.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail:
Plasma electrolysis oxidation method of the invention, it the following steps are included:
1) plasma electrolytic oxidation electrolyte is prepared according to the material for being reinforced processing workpiece；
2) surface clean oil removing pretreatment is carried out to workpiece to be handled；
3) piece pole and working electrode are connected on the anode and cathode of plasma electrolytic oxidation power supply respectively, the work
Make the relative motion of both electrode and piece pole；
4) keep two electrodes simultaneously and electrolyte contacts to jet electrolytic liquid between two electrodes with electrolyte spray head；
5) it closes a floodgate and powers on, plasma electrolytic oxidation ceramic surface modification treatment is carried out to workpiece；
6) it is disposed, break lock；
7) it is rinsed with water after removing workpiece, natural drying or artificial drying.
Both the working electrode and piece pole carry out compound motion.
The spacing of the working electrode and piece pole is 120 millimeters.
The speed of related movement of the working electrode and piece pole is 25 ms/min.
The working electrode, that is, cathode spray head jet electrolytic liquid level product is 100 square centimeters.
The working electrode, that is, cathode spray head flow of electrolyte is 5 liters/min.
The current density of the piece pole is 20 amperes/square decimeter.
The present invention can carry out surface modification treatment to big workpiece with small working electrode and small electrolytic cell, workpiece size not by
The capacity limit of power supply and electrolytic cell；It can according to need and local surfaces modification is carried out to workpiece, it can also be existing to user
Field carries out intensive treatment to the local surfaces that needs are strengthened in the case where not dismantling or Zhi Xu partial disassembly.Jet electrolytic liquid adds
Fast electrolyte circulation, may advantageously facilitate the electrolyte near electrode surface and quickly updates, elimination is unfavorable for high quality ceramic
Concentration polarization effect, while it being able to extend the service life of electrolyte, current density and current efficiency are improved, energy is reduced and disappears
Consumption.
Claims (7)
1. a kind of plasma electrolysis oxidation method of relative motion between electrode, it is characterised in that: it the following steps are included:
1) plasma electrolytic oxidation electrolyte is prepared according to the material for being reinforced processing workpiece；
2) surface clean oil removing pretreatment is carried out to workpiece to be handled；
3) piece pole and working electrode are connected on the anode and cathode of plasma electrolytic oxidation power supply respectively, the work
Make the relative motion of both electrode and piece pole；
4) it uses electrolyte spray head to jet electrolytic liquid between two electrodes, or is kept with cathode spray head to workpiece jet electrolytic liquid
Two electrodes while and electrolyte contacts；
5) it closes a floodgate and powers on, plasma electrolytic oxidation ceramic surface modification treatment is carried out to workpiece；
6) it is disposed, break lock；
7) it is rinsed with water after removing workpiece, natural drying or artificial drying.
2. the plasma electrolysis oxidation method of relative motion between a kind of electrode according to claim 1, it is characterised in that: institute
Both working electrode and piece pole is stated to be translatable, or rotation, or both compound motion.
3. the plasma electrolysis oxidation method of relative motion, feature exist between a kind of electrode according to claim 1 or 2
In: the spacing of the working electrode and piece pole is 10~250 millimeters.
4. the plasma electrolysis oxidation method of relative motion, feature between a kind of electrode according to claim 1 or 2 or 3
Be: the speed of related movement of the working electrode and piece pole is 5~50 ms/min.
5. the plasma electrolysis oxidation method of relative motion between a kind of electrode according to any one of claims 1 to 4, special
Sign is: the jet electrolytic liquid level product of the i.e. cathode spray head of the working electrode is 1~200 square centimeter.
6. according to claim 1~5 between a kind of described in any item electrodes relative motion plasma electrolysis oxidation method, it is special
Sign is: the working electrode i.e. flow of electrolyte of cathode spray head is 0.5~10 liter/min.
7. according to claim 1~6 between a kind of described in any item electrodes relative motion plasma electrolysis oxidation method, it is special
Sign is: the current density of the piece pole is 5~30 amperes/square decimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710903120.6A CN109576753A (en) | 2017-09-29 | 2017-09-29 | A kind of plasma electrolysis oxidation method of relative motion between electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710903120.6A CN109576753A (en) | 2017-09-29 | 2017-09-29 | A kind of plasma electrolysis oxidation method of relative motion between electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109576753A true CN109576753A (en) | 2019-04-05 |
Family
ID=65914779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710903120.6A Pending CN109576753A (en) | 2017-09-29 | 2017-09-29 | A kind of plasma electrolysis oxidation method of relative motion between electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109576753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396814A (en) * | 2019-08-13 | 2019-11-01 | 北京理工大学 | The method and device of the anodized carbon fiber of plasma enhancing |
-
2017
- 2017-09-29 CN CN201710903120.6A patent/CN109576753A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396814A (en) * | 2019-08-13 | 2019-11-01 | 北京理工大学 | The method and device of the anodized carbon fiber of plasma enhancing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kumar et al. | Corrosion protection performance of single and dual Plasma Electrolytic Oxidation (PEO) coating for aerospace applications | |
| CN100588756C (en) | A kind of surface treating method for magnesium lithium alloy | |
| CN108018592B (en) | Zirconium alloy micro-arc oxidation surface modification method | |
| CN105839127B (en) | Surface of workpiece carbon-base film takes off electroplating method | |
| CN101565846B (en) | Interelectrode relative movement type plasma electrolysis oxidation process | |
| CN100457981C (en) | Method for plasma micro arc oxidizing of light metal surface | |
| CN103614762B (en) | A kind of preparation method of magnesium alloy with micro-arc oxidation ceramic membrane | |
| CN100537851C (en) | Magnesium, aluminium alloy electrolytic solution for differential arc oxidization surface treatment in aluminates system | |
| CN102286766A (en) | Aluminum alloy hard anode oxidation film and process method thereof | |
| CN101812715B (en) | Titanium alloy black anode oxidation process | |
| CN105088325B (en) | A kind of strip method of magnetron sputtering amorphous carbon coating | |
| CN103409785B (en) | A kind of titanium alloy surface reduces the nano coating preparation method of sea organism attachment | |
| CN107119296A (en) | A kind of method of anode activation titanium alloy electro-coppering | |
| CN109576753A (en) | A kind of plasma electrolysis oxidation method of relative motion between electrode | |
| CN105316741B (en) | A kind of method for carrying out surface by micro-arc oxidation processing to aluminium alloy using grading current | |
| KR20110137107A (en) | Metal having a color layer and method for manufacturing the same | |
| CN106702464A (en) | Electrolyte for preparing black ceramic film layer through micro-arc oxidation for magnesium alloy, and method | |
| CN109252201A (en) | Magnesium alloy differential arc oxidation electrolyte and preparation method thereof and surface treatment method of Mg alloy | |
| CN104213173A (en) | Mixed acid type hard anodizing method of aluminum and aluminum alloys | |
| CN101195926B (en) | Method for acquiring TiAl/Al2O3composite material ceramic film on aluminum alloy surface | |
| CN111254476A (en) | Preparation method of pure copper surface corrosion-resistant black micro-arc oxidation film | |
| CN102257184B (en) | Method for galvanic deposition of hard chrome layers | |
| Yerokhin et al. | Anodising of light alloys | |
| CN109137043A (en) | A kind of titanium or titanium alloy differential arc oxidation coating production technology | |
| RU90440U1 (en) | COMPOSITION ALUMINUM-OXIDE COATING FOR PROTECTING STEEL FROM CORROSION AND WEAR |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190405 |