CN107447244A - A kind of aluminium alloy cylinder and its ceramic treatment method - Google Patents
A kind of aluminium alloy cylinder and its ceramic treatment method Download PDFInfo
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- CN107447244A CN107447244A CN201710651024.7A CN201710651024A CN107447244A CN 107447244 A CN107447244 A CN 107447244A CN 201710651024 A CN201710651024 A CN 201710651024A CN 107447244 A CN107447244 A CN 107447244A
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- 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
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
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- 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
- C25D11/024—Anodisation under pulsed or modulated current or potential
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- 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
- C25D11/026—Anodisation with spark discharge
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- 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
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of aluminium alloy cylinder and its ceramic treatment method, is related to light metal surface processing technology field.A kind of aluminium alloy cylinder ceramic treatment method, including：Electrolyte is passed through in cylinder body, carries out differential arc oxidation processing, electrolyte includes：Calgon, film forming agent and pH adjusting agent.This method preparation technology flow is simple, and controllability is strong, and preparation cost is low, and environmental friendliness is high, is adapted to large-scale production.A kind of aluminium alloy cylinder, handled and formed by above-mentioned aluminium alloy cylinder ceramic treatment method.The aluminium alloy cylinder has ceramic alumina film layer, and consistency is high, and intensity is high, and uniformity is good so that the wearability of cylinder body is good, and hardness is high, service life length, and greasy property is excellent.
Description
Technical field
The present invention relates to light metal surface processing technology field, and at more particularly to a kind of aluminium alloy cylinder and its ceramic
Reason method.
Background technology
Cylinder body is one of important part of engine.In early days, cylinder body is manufactured using gray cast iron.In recent years,
People have also carried out the trial of various engines cylinder body " with aluminium for steel " while equipment " lightweight " is pursued, and obtain weight
Big progress.Aluminium alloy engine has the characteristics that light weight, good heat dissipation, high-performance and low power consuming, is concerned by people.But aluminium
It is aluminium alloy cylinder that the development of alloy engine at home, which runs into some one of obstacles, maximum obstacle,.The aluminium alloy cylinder in China
Body casting flaw is more, efficiency is low, manufacturing cost is high.Wearability is poor, does not reach the requirement of cylinder body much.Generally use now
Method is plating hard chrome, but " chromium " is a kind of very big heavy metal of toxicity, and very big harm is brought to human body, environment is caused
Serious pollution.
Seek the cheap aluminum alloy surface handling process of green, reliable in quality, cost be those skilled in the art urgently
The problem of solution.
The content of the invention
It is an object of the invention to provide a kind of aluminium alloy cylinder ceramic treatment method, the letter of this method preparation technology flow
Single, controllability is strong, and preparation cost is low, and environmental friendliness is high, is adapted to large-scale production.
Another object of the present invention is to provide a kind of aluminium alloy cylinder, the aluminium alloy cylinder has ceramic alumina film layer,
Consistency is high, and intensity is high, and uniformity is good so that the wearability of cylinder body is good, and hardness is high, service life length, and greasy property is excellent.
The present invention is solved its technical problem and realized using following technical scheme.
The present invention proposes a kind of aluminium alloy cylinder ceramic treatment method, including：Electrolyte is passed through in cylinder body, carried out micro-
Arc oxidation processes, electrolyte include：Calgon, film forming agent and pH adjusting agent.
The present invention proposes a kind of aluminium alloy cylinder, is handled and formed by above-mentioned aluminium alloy cylinder ceramic treatment method.
The beneficial effect of a kind of aluminium alloy cylinder provided by the invention and its ceramic treatment method is：
A kind of aluminium alloy cylinder ceramic treatment method, using special electrolyte, is handled so that aluminium by differential arc oxidation
Alloy inboard wall of cylinder block quickly generates oxide-film.The oxide-film weaker zone is few, improves alumina particle bond strength, strengthens oxide-film
Consistency and intensity, and then strengthen the intensity and wearability of cylinder.The oxide thickness of generation is uniform, it is ensured that cylinder block it is same
Post degree and out-of-roundness.Harmful metal ion is free of in electrolyte, it is environmentally safe, service life length, without discharge, it is recycled
Utilize, reduce production cost.After differential arc oxidation processing, cylinder body is subjected to magnetic force polishing, magnetic force polishing solves weaker zone to cylinder
The adverse effect that body is brought, it turn avoid the defects of cylinder body inside groove arris oxide-film caused by mode such as tradition polishing.And magnetic
The polishing effect of power polishing is uniform, and surface is smooth, strengthening surface quality and performance, improves the mechanical performance of cylinder block.By above-mentioned
Method handles a kind of obtained aluminium alloy cylinder, and wearability is good, and hardness is high, service life length, and greasy property is excellent.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the scanning electron microscope (SEM) photograph for the aluminium alloy cylinder inner wall surface that the embodiment of the present invention 5 provides；
Fig. 2 is the scanning electron microscope (SEM) photograph of the inner wall surface for the aluminium alloy cylinder that the embodiment of the present invention 5 provides；
Fig. 3 is the scanning electron microscope (SEM) photograph of the inner wall surface for the aluminium alloy cylinder that the embodiment of the present invention 5 provides；
Fig. 4 is the scanning electron microscope (SEM) photograph of the inner wall section for the aluminium alloy cylinder that the embodiment of the present invention 5 provides；
Fig. 5 is the scanning electron microscope (SEM) photograph of the inner wall section for the aluminium alloy cylinder that the embodiment of the present invention 5 provides；
Fig. 6 is the scanning electron microscope (SEM) photograph of the inner wall section for the aluminium alloy cylinder that the embodiment of the present invention 5 provides.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, it is the conventional production that can be obtained by commercially available purchase
Product.
A kind of aluminium alloy cylinder and its ceramic treatment method of the embodiment of the present invention are specifically described below.
A kind of aluminium alloy cylinder ceramic treatment method provided in an embodiment of the present invention, including：
The cylinder block cleaned up is positioned on the oxidation car with cathode assembly.Specifically, the air inlet by cylinder block
Hole and steam vent are closed with cork, and cathode assembly is arranged on into cylinder block home position.In the present embodiment, cathode assembly by
Stainless steel tube and insulation protective jacket composition.Stainless steel tube is connected with minus plate.Stainless steel tube top is evenly arranged with a diameter of 6mm
Circular hole, so that current disperse.Cathode assembly make it that the ceramic alumina film thickness of cylinder block inwall is uniform, it is ensured that cylinder block
With post degree and out-of-roundness.
Start circulating pump, the electrolyte in electrolytic cell is inputted in liquid reserve tank, then is communicated in cylinder body.Conveying electrolyte
Flow divider is provided with pipeline, can adjust delivery hydraulic pressure.Electrolyte is flowed out by the spark-plug hole on cylinder block top, then passes through overflow
Groove is back in electrolytic cell.Realize recycling.
In the present invention, electrolyte includes：Calgon, film forming agent and pH adjusting agent.Wherein, film forming agent includes second two
Sour titanium potassium and sodium oxalate, can promote cylinder block film forming, increase the thickness of compacted zone, reduce weaker zone, improve alumina particle
Bond strength, strengthen oxide-film consistency and intensity, and then strengthen the intensity and wearability of cylinder.Preferably, ethanedioic acid titanium potassium
Mass ratio with sodium oxalate is 8~12:1.In an embodiment of the present invention, the mass ratio of ethanedioic acid titanium potassium and sodium oxalate can be
9:1、10:1、11.5:1。
Research through inventor, when the amount ratio of calgon, film forming agent is 40~50g/L:5~7g/L, electrolyte
PH value be 8~9 when, the performance of electrolyte is preferable, is favorably improved the hardness and anti-wear performance of cylinder block.Preferably, pH value
Conditioning agent can be sodium carbonate, potassium carbonate, sodium hydroxide etc..In other embodiments of the present invention, calgon, film forming agent
Amount ratio can be 42g/L:5g/L、47g/L:7g/L、43g/L:6g/L、41g/L:7g/L、45g/L:7g/L, the pH of electrolyte
Value can be 8.2,8.6.
Electrolyte provided by the invention is free of harmful metal ion, environmentally safe, service life length, without discharging,
Reusable edible, reduce production cost.Using effect is good, and film forming speed is fast, and the coating mass of formation is high, improves cylinder block
Performance.
The anode of the positive pole of mao power source and oxidation car is connected, and negative pole is connected with negative electrode stainless steel plate.Electrolyte is just
Often after circulation, start mao power source, voltage is 600~650V, and rapid pulse frequency is 600~1000HZ, and pulsewidth is 80~150
μ s, voltage is reached 600V in 10min, then adjust above-mentioned parameter, voltage is slowly increased in 600~650V.Hyperbaric oxygen
Chemical industry skill greatly reduces the weaker zone of ceramic coating, the thickness of weaker zone can be made to be less than 1 μm, while improve oxide-film
Hardness.Oxidization time is adjusted according to the thickness of oxide-film.Preferably, the ceramic film thickness by differential arc oxidation processing is
20~30 μm, strengthen the intensity and wearability of cylinder.
After oxidation terminates, take out cylinder block and cleaned.It is put into progress magnetic force polishing in magnetic force polisher.Magnetic force is thrown
The weaker zone that light is solved in ceramic coating comes off the adverse effect brought to cylinder body during steel body use, the unfavorable shadow
Sound is：The alumina particle to be come off from weaker zone can accelerate the abrasion of cylinder body；It turn avoid the cylinders caused by mode such as tradition polishing
The defect of internal trough rim rib oxide-film.And the polishing effect of magnetic force polishing is uniform, and surface is smooth, strengthening surface quality and property
Energy, improve the mechanical performance of cylinder block.Preferably, the surface roughness value of the cylinder body by magnetic force polishing is Ra0.9~1.2.
In an embodiment of the present invention, surface roughness value can be Ra1.0, Ra1.1.
A kind of aluminium alloy cylinder provided in an embodiment of the present invention, by the processing of above-mentioned aluminium alloy cylinder ceramic treatment method
Into.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of aluminium alloy cylinder is present embodiments provided, mainly processing forms by the following method：
The air admission hole of cylinder block and steam vent are closed with cork, cathode assembly is arranged on cylinder block home position.
Start circulating pump, the electrolyte in electrolytic cell is inputted in liquid reserve tank, then is communicated in cylinder body.Electrolyte is set to pass through in cylinder block
The spark-plug hole outflow in portion, then be back to by overflow launder in electrolytic cell.
Wherein, electrolyte includes：Calgon, film forming agent and potassium carbonate.Calgon, the amount ratio of film forming agent are
8g/L:1g/L.The pH value of electrolyte is 8.It is 8 that film forming agent, which includes mass ratio,:1 ethanedioic acid titanium potassium and sodium oxalate.
The anode of the positive pole of mao power source and oxidation car is connected, and negative pole is connected with negative electrode stainless steel plate.Electrolyte is just
Often after circulation, start mao power source, voltage 600V, rapid pulse frequency is 600HZ, and pulsewidth is 80~150 μ s, voltage is existed
Reach 600V in 10min, then adjust above-mentioned parameter, voltage is slowly increased in 600~650V.Handled by differential arc oxidation
Ceramic film thickness is 20~30 μm, strengthens the intensity and wearability of cylinder.
Embodiment 2
A kind of aluminium alloy cylinder is present embodiments provided, mainly processing forms by the following method：
The air admission hole of cylinder block and steam vent are closed with cork, cathode assembly is arranged on cylinder block home position.
Start circulating pump, the electrolyte in electrolytic cell is inputted in liquid reserve tank, then is communicated in cylinder body.Electrolyte is set to pass through in cylinder block
The spark-plug hole outflow in portion, then be back to by overflow launder in electrolytic cell.
Wherein, electrolyte includes：Calgon, film forming agent and sodium carbonate.Calgon, the amount ratio of film forming agent are
50g/L:7g/L.The pH value of electrolyte is 9.It is 12 that film forming agent, which includes mass ratio,:1 ethanedioic acid titanium potassium and sodium oxalate.
The anode of the positive pole of mao power source and oxidation car is connected, and negative pole is connected with negative electrode stainless steel plate.Electrolyte is just
Often after circulation, start mao power source, voltage 650V, rapid pulse frequency is 1000HZ, and pulsewidth is 80~150 μ s, makes voltage
Reach 600V in 10min, then adjust above-mentioned parameter, voltage is slowly increased in 600~650V.Handled by differential arc oxidation
Ceramic film thickness be 20~30 μm, strengthen the intensity and wearability of cylinder.
After oxidation terminates, take out cylinder block and cleaned.It is put into progress magnetic force polishing in magnetic force polisher.By magnetic
The surface roughness value of the cylinder body of power polishing is Ra1.2.
Embodiment 3
A kind of aluminium alloy cylinder is present embodiments provided, mainly processing forms by the following method：
The air admission hole of cylinder block and steam vent are closed with cork, cathode assembly is arranged on cylinder block home position.
Start circulating pump, the electrolyte in electrolytic cell is inputted in liquid reserve tank, then is communicated in cylinder body.Electrolyte is set to pass through in cylinder block
The spark-plug hole outflow in portion, then be back to by overflow launder in electrolytic cell.
Wherein, electrolyte includes：Calgon, film forming agent and sodium carbonate, potassium carbonate, sodium hydroxide.Calgon,
The amount ratio of film forming agent is 40g/L:7g/L.The pH value of electrolyte is 8.It is 9 that film forming agent, which includes mass ratio,:1 ethanedioic acid titanium potassium
And sodium oxalate.
The anode of the positive pole of mao power source and oxidation car is connected, and negative pole is connected with negative electrode stainless steel plate.Electrolyte is just
Often after circulation, start mao power source, voltage 650V, rapid pulse frequency is 1000HZ, and pulsewidth is 80~150 μ s, makes voltage
Reach 600V in 10min, then adjust above-mentioned parameter, voltage is slowly increased in 600~650V.Handled by differential arc oxidation
Ceramic film thickness be 20~30 μm, strengthen the intensity and wearability of cylinder.
After oxidation terminates, take out cylinder block and cleaned.It is put into progress magnetic force polishing in magnetic force polisher.By magnetic
The surface roughness value of the cylinder body of power polishing is Ra1.1.
Embodiment 4
A kind of aluminium alloy cylinder is present embodiments provided, mainly processing forms by the following method：
The air admission hole of cylinder block and steam vent are closed with cork, cathode assembly is arranged on cylinder block home position.
Start circulating pump, the electrolyte in electrolytic cell is inputted in liquid reserve tank, then is communicated in cylinder body.Electrolyte is set to pass through in cylinder block
The spark-plug hole outflow in portion, then be back to by overflow launder in electrolytic cell.
Wherein, electrolyte includes：Calgon, film forming agent and sodium carbonate, potassium carbonate, sodium hydroxide.Calgon,
The amount ratio of film forming agent is 50g/L:6g/L.The pH value of electrolyte is 8~9.It is 11 that film forming agent, which includes mass ratio,:1 ethanedioic acid
Titanium potassium and sodium oxalate.
The anode of the positive pole of mao power source and oxidation car is connected, and negative pole is connected with negative electrode stainless steel plate.Electrolyte is just
Often after circulation, start mao power source, voltage 600V, rapid pulse frequency is 900HZ, and pulsewidth is 80~150 μ s, voltage is existed
Reach 600V in 10min, then adjust above-mentioned parameter, voltage is slowly increased in 600~650V.Handled by differential arc oxidation
Ceramic film thickness is 20~30 μm, strengthens the intensity and wearability of cylinder.
After oxidation terminates, take out cylinder block and cleaned.It is put into progress magnetic force polishing in magnetic force polisher.By magnetic
The surface roughness value of the cylinder body of power polishing is Ra1.0.
Embodiment 5
A kind of aluminium alloy cylinder is present embodiments provided, mainly processing forms by the following method：
The air admission hole of cylinder block and steam vent are closed with cork, cathode assembly is arranged on cylinder block home position.
Start circulating pump, the electrolyte in electrolytic cell is inputted in liquid reserve tank, then is communicated in cylinder body.Electrolyte is set to pass through in cylinder block
The spark-plug hole outflow in portion, then be back to by overflow launder in electrolytic cell.
Wherein, electrolyte includes：Calgon, film forming agent and sodium carbonate, potassium carbonate, sodium hydroxide.Calgon,
The amount ratio of film forming agent is 15g/L:2g/L.The pH value of electrolyte is 9.It is 10 that film forming agent, which includes mass ratio,:1 ethanedioic acid titanium potassium
And sodium oxalate.
The anode of the positive pole of mao power source and oxidation car is connected, and negative pole is connected with negative electrode stainless steel plate.Electrolyte is just
Often after circulation, start mao power source, voltage 650V, rapid pulse frequency is 800HZ, and pulsewidth is 80~150 μ s, voltage is existed
Reach 600V in 10min, then adjust above-mentioned parameter, voltage is slowly increased in 600~650V.Handled by differential arc oxidation
Ceramic film thickness is 20~30 μm, strengthens the intensity and wearability of cylinder.
After oxidation terminates, take out cylinder block and cleaned.It is put into progress magnetic force polishing in magnetic force polisher.By magnetic
The surface roughness value of the cylinder body of power polishing is Ra0.9.
Comparative example
This comparative example provides a kind of aluminium alloy cylinder, and mainly processing forms by the following method：
The air admission hole of cylinder block and steam vent are closed with cork, cathode assembly is arranged on cylinder block home position.
Start circulating pump, the electrolyte in electrolytic cell is inputted in liquid reserve tank, then is communicated in cylinder body.Electrolyte is set to pass through in cylinder block
The spark-plug hole outflow in portion, then be back to by overflow launder in electrolytic cell.
Wherein, electrolyte includes：Calgon 10g/L, sodium molybdate 10g/L, sodium tungstate 5g/L, sodium carbonate 5g/L.Electricity
The pH value for solving liquid is 10.
The anode of the positive pole of mao power source and oxidation car is connected, and negative pole is connected with negative electrode stainless steel plate.Electrolyte is just
Often after circulation, start mao power source, voltage is 600~650V, processing time 30min.
Choose embodiment 1~5, the aluminium alloy cylinder that comparative example 1 provides, fretting wear is carried out using ball-mill damage method
Experiment.Friction mode is Clothoid type dry friction, and friction pair is diameter 9.5mm 440C stainless steel balls, normal load 100g,
Fraction time is 10min, test result such as following table：
The test result of table 1
Learnt by test result：The aluminium alloy cylinder anti-wear performance that embodiment 1~5 provides is preferable, is above comparative example 1,
1~embodiment of embodiment 5 uses different electrolyte, is handled by differential arc oxidation, generates the oxygen that consistency is strong, intensity is high
Change film, there is more preferable wearability.Wherein, the wear scar width for the aluminium alloy cylinder that embodiment 5 provides is smaller, mass loss during abrasion
It is less, known by embodiment, the surface roughness value for the aluminium alloy cylinder that embodiment 5 provides is Ra0.9, illustrates that embodiment 5 provides
Aluminium alloy cylinder anti-wear performance it is preferable, embodiment 5 provide ceramic treatment method it is more scientific and reasonable.
The inwall of the aluminium alloy cylinder provided embodiment 5 carries out Morphology analysis.Fig. 1, Fig. 2, Fig. 3 are respectively to pass through
The scanning electron microscope (SEM) photograph of differential arc oxidation processing 1.5min, 3min, 10min aluminium alloy cylinder inner wall surface.As seen from the figure, by table
After the ceramic treatment of face, the roughness on surface is significantly improved, strengthening surface quality.Fig. 4, Fig. 5, Fig. 6 are respectively to pass through
Cross differential arc oxidation processing 1.5min, 3min, 10min aluminium alloy cylinder inner wall section figure.Fig. 4 to Fig. 6 explanations are made pottery by surface
After porcelainization processing, the surface of inboard wall of cylinder block is more uniform, more smooth.The aluminium alloy cylinder ceramics of the offer of embodiment 5 are provided
Changing processing method has preferable surface treatment effect.
In summary, a kind of aluminium alloy cylinder ceramic treatment method provided by the invention, using special electrolyte, warp
Cross differential arc oxidation processing so that aluminium alloy cylinder inwall quickly generates oxide-film.The oxide-film weaker zone is few, improves aluminium oxide granule
Grain bond strength, strengthen oxide-film consistency and intensity, and then strengthen the intensity and wearability of cylinder.Without harmful in electrolyte
Metal ion, it is environmentally safe, service life length, without discharge, reusable edible, reduce production cost.At differential arc oxidation
After reason, cylinder body is subjected to magnetic force polishing, magnetic force polishing solves the adverse effect that weaker zone is brought to cylinder body, turn avoid tradition
The defects of cylinder body inside groove arris oxide-film caused by mode such as polishing.And the polishing effect of magnetic force polishing is uniform, and surface is smooth,
Strengthening surface quality and performance, improve the mechanical performance of cylinder block.A kind of aluminium alloy cylinder for handling to obtain by the above method, it is resistance to
Mill property is good, and hardness is high, service life length, and greasy property is excellent.
Embodiments described above is part of the embodiment of the present invention, rather than whole embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
- A kind of 1. aluminium alloy cylinder ceramic treatment method, it is characterised in that including：Electrolyte is passed through in the cylinder body, entered The processing of row differential arc oxidation, the electrolyte are mainly made by calgon, film forming agent and pH adjusting agent.
- 2. aluminium alloy cylinder ceramic treatment method according to claim 1, it is characterised in that the calgon, The amount ratio of the film forming agent is 40~50g/L:5~7g/L.
- 3. aluminium alloy cylinder ceramic treatment method according to claim 2, it is characterised in that the raw material of the film forming agent Including ethanedioic acid titanium potassium and sodium oxalate.
- 4. aluminium alloy cylinder ceramic treatment method according to claim 3, it is characterised in that the ethanedioic acid titanium potassium and The mass ratio of the sodium oxalate is 8~12:1.
- 5. aluminium alloy cylinder ceramic treatment method according to claim 1, it is characterised in that the pH value of the electrolyte For 8~9, it is preferable that the pH value of the electrolyte is 8.5~9.
- 6. the aluminium alloy cylinder ceramic treatment method according to any one of claim 1 to 5, it is characterised in that the cylinder Body carries out magnetic force polishing after differential arc oxidation is handled.
- 7. aluminium alloy cylinder ceramic treatment method according to claim 6, it is characterised in that the institute polished by magnetic force The surface roughness value for stating cylinder body is Ra0.9~1.2.
- 8. aluminium alloy cylinder ceramic treatment method according to claim 1, it is characterised in that the electricity of differential arc oxidation processing It is 600~1000HZ to press as 600~650V, rapid pulse frequency, and pulsewidth is 80~150 μ s.
- 9. aluminium alloy cylinder ceramic treatment method according to claim 8, it is characterised in that handled by differential arc oxidation Ceramic film thickness be 20~30 μm.
- 10. a kind of aluminium alloy cylinder, it is characterised in that as the aluminium alloy cylinder ceramic as described in any one of claim 1 to 9 Processing method processing forms.
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| CN109371441A (en) * | 2018-11-28 | 2019-02-22 | 中国特种飞行器研究所 | A kind of inner-cavity structure differential arc oxidation method |
| CN112941595A (en) * | 2021-02-04 | 2021-06-11 | 新昌县迪嘉轻金属科技有限公司 | Preparation method of composite ceramic membrane applied to inner wall of new energy automobile cylinder |
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| US20030213698A1 (en) * | 2002-05-09 | 2003-11-20 | Ryosuke Kawagoshi | Process for lubrication-treating aluminum or aluminum alloy material |
| CN1928341A (en) * | 2006-02-20 | 2007-03-14 | 山东华盛农业药械股份有限公司 | Method of producing aluminum alloy cylinder |
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| CN109371441A (en) * | 2018-11-28 | 2019-02-22 | 中国特种飞行器研究所 | A kind of inner-cavity structure differential arc oxidation method |
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