CN110438542A - A kind of anode oxidation process of aluminium alloy automobile luggage carrier - Google Patents
A kind of anode oxidation process of aluminium alloy automobile luggage carrier Download PDFInfo
- Publication number
- CN110438542A CN110438542A CN201810420539.0A CN201810420539A CN110438542A CN 110438542 A CN110438542 A CN 110438542A CN 201810420539 A CN201810420539 A CN 201810420539A CN 110438542 A CN110438542 A CN 110438542A
- Authority
- CN
- China
- Prior art keywords
- luggage carrier
- oxidation process
- aluminium alloy
- sealing
- anode oxidation
- 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
- C25D11/04—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
-
- 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
- C25D11/10—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing organic acids
-
- 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
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
Abstract
The invention discloses a kind of anode oxidation process of aluminium alloy automobile luggage carrier, include the following steps: (1) feeding；(2) paraffin removal；(3) duplex is washed；(4) electrobrightening；(5) duplex is washed；(6) membrane removal；(7) duplex is washed；(8) go out light；(9) three washings；(10) anodic oxidation；(11) tetrad is washed；(12) low temperature pore sealing；(13) three washings；(14) pH sealing of hole；(15) three washings；(16) high temperature hole sealing；(17) tetrad is washed；(18) it dries；(19) blanking is examined, which is characterized in that the electrolyte in the anodic oxidation process is mainly by the sulfuric acid of 135-155g/L, the oxalic acid of 15-25g/L, glycerol and 22-26g/L the hydroxyacetic acid composition of 14-18g/L.Treated that luggage carrier is wear-resisting and alkaline-resisting while meeting the performances such as corrosion resistance for anode oxidation process of the present invention.
Description
Technical field
The present invention relates to aluminium and aluminium alloy anode oxide processing technology field more particularly to a kind of aluminium alloy automobile luggage carriers
Anode oxidation process.
Background technique
With the development of the automobile industry and the aggravation of international competition, client get over the performance requirement of aluminium alloy anode oxide film
To come higher, the appearance requirement of the especially aluminum alloy decorating parts such as luggage carrier is highlighted and high corrosion-resistant, such as: CAPSA, masses, run quickly
Speed, upper vapour, BMW, the alkali resistance (pH=13.5) of the requirements such as general, acid resistance (pH=1), 480 hours neutral salt spray tests,
Five cyclic tests of sulfur dioxide, Volvo wear-resisting and alkali resistance test.
Conventional anodization technique is often solved by the way of " anodic oxidation+spraying/electrophoresis ", aforesaid way cost
Height, and qualification rate is not high.
Application publication number CN 106637338A discloses " a kind of anode oxidation process of aluminium alloy car luggage carrier ", adopts
It is thrown with two acidifications, anodic oxidation and hole-sealing technology three times, the use of concentration is 180-200g/L's in Anodic Oxidation process
H2SO4, aluminium ion concentration 2-12g/L, 16-20 DEG C of temperature, current density 1-1.5A/dm2, oxidization time was at 22-28 minutes, oxygen
Change film thickness control at 5-10 μm；In low temperature pore sealing process, the nickel fluoride hole sealing agent for the use of concentration being 3-5g/L, temperature 24-30
DEG C, pH value 5.8-6.3, the processing time is 20-30 minutes, and solution carries out circulation stirring and filters；In room temperature sealing of hole process, make
The silane finish for being 4-6% with concentration, temperature 20-40, pH value 4-6, processing time are 5-10 minutes, solution pure water
Preparation and circulating filtration in use；In high temperature hole sealing process, the silicic acid salt treatment agent for the use of concentration being 3-6%, temperature 90-
100 DEG C, the processing time is 10-20 minutes, and solution is prepared with pure water and circulating filtration in use, and spray system is needed at notch
System.
Above-mentioned treatment process enables aluminum alloy to the anode oxide film on substrate while meeting NSS test 480H, resistance to CASS examination
Test 24-80H, alkali resistance (pH=13.5 lower 10 minutes non-discolouring), acid resistance (pH=1 lower 10 minutes non-discolouring), sulfur dioxide five
The test requirements documents such as a circulation, and achieve the effect that excellent, certain single performance requirement can only be met by effectively overcoming traditional handicraft
Deficiency, enhance the functionality of anode oxidation process.
But the luggage carrier crocking resistance that above-mentioned process is crossed is poor, finishes friction test according to VCS 1024,369
After 10 minutes testing experiments can not be carried out at pH 12.5 according to VCS 1026,8189, also can not by according to VCS 1024,
31139 scratch-resistant test.
Summary of the invention
Treated in order to solve the problems, such as existing treatment process, and product is not wear-resisting, and the object of the present invention is to provide a kind of aluminium
The anode oxidation process of alloy automobile luggage carrier.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of anodic oxygen of aluminium alloy automobile luggage carrier
Chemical industry skill includes the following steps: (1) feeding；(2) paraffin removal；(3) duplex is washed；(4) electrobrightening；(5) duplex is washed；(6) it removes
Film；(7) duplex is washed；(8) go out light；(9) three washings；(10) anodic oxidation；(11) tetrad is washed；(12) low temperature pore sealing；
(13) three washings；(14) pH sealing of hole；(15) three washings；(16) high temperature hole sealing；(17) tetrad is washed；(18) it dries；(19)
Blanking is examined, which is characterized in that the electrolyte in the anodic oxidation process is mainly by the sulfuric acid of 135-155g/L, 15-25g/L
Oxalic acid, the glycerol and 22-26g/L hydroxyacetic acid of 14-18g/L are constituted.
Electrolyte after sulfuric acid, oxalic acid, glycerol and hydroxyacetic acid compounding is carried out to the oxidation film of anodized generation
Relative to the oxidation film that the electrolyte processing using single sulfuric acid generates, wearability and toughness are had more.
It preferably, the use of concentration is the hole sealing agent of 3-5.5g/L in the low temperature pore sealing process, the hole sealing agent includes
Nickel fluoride, cobalt acetate, boric acid and strontium sulfate.
Compared with being applied alone nickel fluoride to compound with nickel fluoride, cobalt acetate, boric acid and strontium sulfate: in the premise of identical film thickness
Under, the former off-period is longer than the latter by 50%, and the former service life is shorter.
It is further preferred that parts by weight shared by each component in the hole sealing agent are as follows: 73-83 parts of nickel fluoride, cobalt acetate 15-
23 parts, 2-3 parts of boric acid, 0.4-0.6 parts of strontium sulfate.
It is further preferred that treatment temperature is 26-32 DEG C, pH value 5.8-6.3, processing in the low temperature pore sealing process
Time is 12-20 minutes, and solution carries out circulation stirring and filters.
Preferably, in the pH sealing of hole process, the silane finish for the use of concentration being 3-6%, temperature is 14-18 DEG C, pH
Value is 4-5, and the processing time is 3-6 minutes, and solution is prepared with pure water and circulating filtration in use.
Wherein, the silane finish is selected from monosilane.
Preferably, in the high temperature hole sealing process, the silicic acid salt treatment agent for the use of concentration being 3-6%, temperature 95-100
DEG C, pH value 9.5-10.5, the processing time is 10-15 minutes, and solution is prepared with pure water and circulating filtration in use, at notch
Need spray system.
Wherein, the silicic acid salt treatment agent is selected from potassium silicate.
Wherein, in the anodic oxidation process, aluminium ion concentration 1-7.5g/L, temperature is 11-17 DEG C, and current density is
1.5 A/dm2-1.8 A/dm2, frequency 50Hz, duty ratio 50%-60%.
Compared with prior art, the present invention realize the utility model has the advantages that anode oxidation process of the present invention treated luggage carrier
Wear, alkali resistant.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, present invention be described in more detail:
Fig. 1 is the current waveform exported under DC pulse operating mode in anode oxidation process of the present invention.
Specific embodiment
The anode oxidation process of aluminium alloy automobile luggage carrier includes the following steps: (1) feeding；(2) paraffin removal；(3) duplex water
It washes；(4) electrobrightening；(5) duplex is washed；(6) membrane removal；(7) duplex is washed；(8) go out light；(9) three washings；(10) anodic oxygen
Change；(11) tetrad is washed；(12) low temperature pore sealing；(13) three washings；(14) pH sealing of hole；(15) three washings；(16) high temperature seals
Hole；(17) tetrad is washed；(18) it dries；(19) blanking is examined.
(2)-(9) are pre-treating technology in above-mentioned operation step, to prepare satisfactory appearance.
The solution composition and process conditions that paraffin removal uses:
Lauryl sodium sulfate 12-18g/L
Sodium carbonate 5-15 g/L
Diethanol amine 50-100 g/L
Nonylphenol polyoxyethylene ether 20-50 g/L
Alkylolamides phosphate 50-100 g/L
Surplus is water.
Treatment temperature: 70-80 DEG C (being heated with stainless steel heating tube)
The processing time: 5-10 minutes (being determined according to the degree of fouling of piece surface)
The solution composition that electrobrightening uses:
Sulfuric acid: 330-350 g/L
Phosphoric acid: 780-880 g/L
Aluminium ion: 38-48 g/L.
Treatment temperature: 57 ± 2 DEG C (being heated with Teflon and cooling)
Voltage: 33V
Cathode plate is stereotype, and anode and cathode area ratio is not less than 2:1.
The processing time: 5-20 minutes.
Anode uses Mechanical Moving, 15-25 times per minute, mobile range 100mm；
The electrolytic polishing process is suitble to 1000,2000,5000,6000 and 7000 series alloys.
The solution that membrane removal uses:
Sodium hydroxide: 20-32 g/L
Treatment temperature: 30-35 DEG C
Handle the time: 30-50s.
The solution composition of gloss out:
Sulfuric acid: 150-200 g/L
Hydrogen peroxide (37%): 20-40 mL/L
Handle the time: 20-60s.
(10)-(16) are anodic oxidation aftertreatment technology in above-mentioned operation step, to improve the Functional Requirement of oxidation film.
Wherein, process (3), (5), (7), (9), (11), (13), (15), (17) are washing, are by remaining chemistry in a upper procedure
Medicament cleans up, and avoids pollution the processing of next process, and washing time is 10-60 seconds.Satisfactory standard after washing:
It is continuous and uniform to be cleaned piece surface moisture film.Process (9), (11), (13), (15) water-washing step are very high to water quality requirement,
It is required that pure water conductivity in 80 μ s/cm hereinafter, strictly manage impurities in water, especially calcium and magnesium ion and chloride ion, for production tool
There is the product of fine quality to provide necessary guarantee.
In step (10) anodic oxidation process, the rectifier power source type used is direct current pulse power supply, current density
For 1.5 A/dm2-1.8A/dm2, the delay startup time is 3 minutes, pulse voltage 22V, frequency 50Hz, duty ratio 50%-
60%。
Sulfuric acid concentration is 135-155g/L, concentration of oxalic acid 15-25g/L, glycerol concentration 14-18 in electrolyte used
G/L, hydroxyacetic acid concentration are 22-26 g/L, and aluminium ion concentration is 1-7.5 g/L.Prepare the sulfuric acid of electrolyte, oxalic acid, sweet
Oil, hydroxyacetic acid are that chemistry is pure, and water is deionized water, conductivity≤10 μ s/cm.Cathode plate is stereotype, anodic oxidation process
Middle treatment temperature is 11-17 DEG C, and oxidization time is 18-22 minutes (being free of the delay startup time), obtained oxide thickness control
System is at 8-15 μm.
In step (12) low temperature pore sealing process, the hole sealing agent for the use of concentration being 3-5.5g/L, hole sealing agent includes nickel fluoride, vinegar
Sour cobalt, boric acid and strontium sulfate, wherein parts by weight shared by each component are respectively as follows: 73-83 parts of nickel fluoride, 15-23 parts of cobalt acetate, boron
It is 2-3 parts sour, 0.4-0.6 parts of strontium sulfate.Nickel fluoride, cobalt acetate, boric acid, the strontium sulfate for preparing hole sealing agent are chemical pure, water
For deionized water, conductivity≤10 μ s/cm, silicone content≤100ppm.
Treatment temperature is 26-32 DEG C, and pH value is that 5.8-6.3(hydrofluoric acid and ammonium hydroxide are adjusted), the time is handled as 20-30 points
Clock, solution carry out circulation stirring and filter.
In step (14) pH sealing of hole process, the silane finish for the use of concentration being 4-6%, temperature is 14-18 DEG C, and pH value is
4-5, processing time are 3-6 minutes, and solution is prepared with pure water and circulating filtration in use.Silane finish herein is selected from first
Silane.
In step (16) high temperature hole sealing process, the silicic acid salt treatment agent for the use of concentration being 3-6%, temperature is 95-100 DEG C, pH
Value is that 9.5-10.5(sodium hydroxide and acetic acid are adjusted), the processing time is 12-18 minutes, and solution pure water is prepared and used
Middle circulating filtration needs spray system at notch.
Embodiment 1
The anode oxidation process of aluminium alloy automobile luggage carrier, includes the following steps:
(1) feeding；
(2) paraffin removal；
(3) duplex is washed；
(4) electrobrightening；
(5) duplex is washed；
(6) membrane removal；
(7) three washings；
(8) go out light；
(9) three washings；
(10) anodic oxidation；
The requirement of electrolyte: sulfuric acid 135g/L, oxalic acid are 20 g/L, and 15 g/L of glycerol, hydroxyacetic acid is 22 g/L, aluminium
Ion concentration is 2 g/L.
(11) tetrad is washed；
(12) low temperature pore sealing；
The preparation of hole sealing agent:
1) each substance: nickel fluoride 770g, cobalt acetate 200g, boric acid 25g, strontium sulfate 5g are weighed.
2) above-mentioned solid powder is stirred evenly, deionized water is added according to the concentration of 3g/L, stirs, heating, after filtering
It is spare.
(13) tetrad is washed；
(14) pH sealing of hole；
(15) three washings；
(16) high temperature hole sealing；
(17) three washings；
(18) it dries；
(19) blanking is examined.
Embodiment 2
The anode oxidation process of aluminium alloy automobile luggage carrier, includes the following steps:
(1) feeding；
(2) paraffin removal；
(3) duplex is washed；
(4) electrobrightening；
(5) duplex is washed；
(6) membrane removal；
(7) three washings；
(8) go out light；
(9) three washings；
(10) anodic oxidation；
The requirement of electrolyte: sulfuric acid 150g/L, oxalic acid are 15 g/L, and 14 g/L of glycerol, hydroxyacetic acid is 24 g/L, aluminium
Ion concentration is 1 g/L.
(11) tetrad is washed；
(12) low temperature pore sealing；
The preparation of hole sealing agent:
1) each substance: nickel fluoride 800g, cobalt acetate 150g, boric acid 20g, strontium sulfate 4g are weighed.
2) above-mentioned solid powder is stirred evenly, deionized water is added according to the concentration of 3g/L, stirs, heating, after filtering
It is spare.
(13) tetrad is washed；
(14) pH sealing of hole；
(15) three washings；
(16) high temperature hole sealing；
(17) three washings；
(18) it dries；
(19) blanking is examined.
Embodiment 3
The anode oxidation process of aluminium alloy automobile luggage carrier, includes the following steps:
(1) feeding；
(2) paraffin removal；
(3) duplex is washed；
(4) electrobrightening；
(5) duplex is washed；
(6) membrane removal；
(7) three washings；
(8) go out light；
(9) three washings；
(10) anodic oxidation；
The requirement of electrolyte: sulfuric acid 155g/L, oxalic acid are 25 g/L, and 18 g/L of glycerol, hydroxyacetic acid is 26 g/L, aluminium
Ion concentration is 7.5 g/L.
(11) tetrad is washed；
(12) low temperature pore sealing；
The preparation of hole sealing agent:
1) each substance: nickel fluoride 734g, cobalt acetate 230g, boric acid 30g, strontium sulfate 6g are weighed.
2) above-mentioned solid powder is stirred evenly, deionized water is added according to the concentration of 3g/L, stirs, heating, after filtering
It is spare.
(13) tetrad is washed；
(14) pH sealing of hole；
(15) three washings；
(16) high temperature hole sealing；
(17) three washings；
(18) it dries；
(19) blanking is examined.
By taking treated the luggage carrier of embodiment 1 as an example, the properties of luggage carrier after investigation processing.
1) acid-fast alkali-proof performance
At 18-22 DEG C, luggage carrier first impregnates 10 minutes in the solution of pH=1, and the molten of pH=12.5 is placed into after cleaning up
It impregnates 10 minutes in liquid, is dried up after cleaning up, check whether piece surface has cosmetic variation.
Experimental result description: luggage carrier surface is unchanged, meets the requirements.
2) wear-resisting and alkaline resistance properties
According to VCS 1024, after 369 finish friction test, carry out surveying for 10 minutes at pH 12.5 according still further to VCS 1026,8189
Examination.
The preparation method of 12.5 solution of pH: 4.4g Na is taken2HPO4·12H2O and 0.3g NaCl is added in container
The NaOH 63.5mL of 0.5mol/L is uniformly mixed and is made.
Test result: luggage carrier surface does not occur corrosion phenomenon without line of demarcation, shows that luggage carrier is wear-resisting and alkaline resistance properties is excellent
It is different.
3) resistance to neutral salt spray performance
480 hours neutral salt spray tests are carried out according to ISO9227, and luggage carrier surface is corrosion-free, without color change.
4) resistance to high wet performance
240 hours resistance to high humidity tests are carried out according to GMW14665, and luggage carrier surface is corrosion-free, without color change.
5) seal quality of oxidation film is checked
It, can dyeability≤characteristic value 1 after being tested according to DIN EN 12373-4.
6) corrosion resistance-copper accelerated salt spray test of oxidation film is checked
CASS test in 48 hours is carried out according to ISO9227, luggage carrier surface is corrosion-free, without color change.
7) corrosion resistance-sulfur dioxide corrosion test of oxidation film is checked
After 50 018-SFW of DIN, 2.0 S carries out five loop tests, luggage carrier surface is corrosion-free, without color change.
8) test of oxidation film scratch-resistant is checked.
Pass through the scratch-resistant test according to VCS 1024,31139
The present invention is made based on application publication number CN 106637338A, disclosed in application publication number CN 106637338A
" a kind of anode oxidation process of aluminium alloy car luggage carrier ", existing technical problem: traditional corrosion-resistant and resistance to meeting
When alkali requires, it is unable to satisfy the wear-resisting and alkaline-resisting requirement of Volvo.
It is studied by long-time, inventor, which chances on, can well solve above-mentioned ask by improving in terms of following two
Topic.
1, it is adjusted by the electrolyte to anodized
By being adjusted to electrolyte, the wearability and toughness of oxidation film are increased.
It is found by experiment that, the dosage of oxalic acid must not exceed 25g/L, and otherwise oxidation film is easy display yellow；Oxalic acid simultaneously
Dosage must not be lower than 15g/L, the toughness of oxidation film is otherwise unable to satisfy while increasing wearability.
2, by being adjusted to hole sealing agent
In experiments it is found that if carrying out anodized according to hole sealing agent disclosed in CN 106637338A, oxidation that treated
Film wear, alkali resistant is only able to satisfy the requirement of pH=12.5, is unable to satisfy the requirement of pH=13 and 13.5, is also unable to satisfy at 100 DEG C
High temperature resistant test in 24 hours.
After adjusting to hole sealing agent, the sealing of hole time is shorter relative to CN 106637338A, has saved production cost, together
When improve efficiency.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally
Patent, be not to be construed as include to this patent range limitation；As long as appointing made by the spirit according to disclosed in this patent
How with change or modification, the range that this patent includes is each fallen within.
Claims (9)
1. a kind of anode oxidation process of aluminium alloy automobile luggage carrier, includes the following steps: (1) feeding；(2) paraffin removal；(3) duplex
Washing；(4) electrobrightening；(5) duplex is washed；(6) membrane removal；(7) duplex is washed；(8) go out light；(9) three washings；(10) anode
Oxidation；(11) tetrad is washed；(12) low temperature pore sealing；(13) three washings；(14) pH sealing of hole；(15) three washings；(16) high temperature
Sealing of hole；(17) tetrad is washed；(18) it dries；(19) blanking is examined, which is characterized in that the electrolyte in the anodic oxidation process
Mainly by the sulfuric acid of 135-155g/L, the oxalic acid of 15-25g/L, glycerol and 22-26g/L the hydroxyacetic acid composition of 14-18g/L.
2. the anode oxidation process of aluminium alloy automobile luggage carrier as described in claim 1, which is characterized in that the low temperature pore sealing
In process, the hole sealing agent for the use of concentration being 3-5.5g/L, the hole sealing agent includes nickel fluoride, cobalt acetate, boric acid and strontium sulfate.
3. the anode oxidation process of aluminium alloy automobile luggage carrier as claimed in claim 2, which is characterized in that in the hole sealing agent
Parts by weight shared by each component are as follows: 73-83 parts of nickel fluoride, 15-23 parts of cobalt acetate, 2-3 parts of boric acid, 0.4-0.6 parts of strontium sulfate.
4. the anode oxidation process of aluminium alloy automobile luggage carrier as described in any one of claims 1-3, which is characterized in that described
In low temperature pore sealing process, treatment temperature is 26-32 DEG C, pH value 5.8-6.3, and the processing time is 12-20 minutes, and solution is followed
Ring is stirred and is filtered.
5. the anode oxidation process of aluminium alloy automobile luggage carrier as described in any one of claims 1-3, which is characterized in that described
In pH sealing of hole process, the silane finish for the use of concentration being 3-6%, temperature is 14-18 DEG C, pH value 4-5, and the processing time is 3-6
Minute, solution is prepared with pure water and circulating filtration in use.
6. the anode oxidation process of aluminium alloy automobile luggage carrier as claimed in claim 5, which is characterized in that the silane treatment
Agent is monosilane.
7. the anode oxidation process of aluminium alloy automobile luggage carrier as described in claim any one of 1-3, which is characterized in that the height
In warm sealing of hole process, the silicic acid salt treatment agent for the use of concentration being 3-6%, temperature is 95-100 DEG C, pH value 9.5-10.5, processing
Time is 10-15 minutes, and solution is prepared with pure water and circulating filtration in use, needs spray system at notch.
8. the anode oxidation process of aluminium alloy automobile luggage carrier as claimed in claim 7, which is characterized in that at the silicate
Reason agent is potassium silicate.
9. the anode oxidation process of aluminium alloy automobile luggage carrier as described in claim 1, which is characterized in that the anodic oxidation
In process, aluminium ion concentration 1-7.5g/L, temperature is 11-17 DEG C, and current density is 1.5 A/dm2-1.8 A/dm2, frequency is
50Hz, duty ratio 50%-60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420539.0A CN110438542A (en) | 2018-05-04 | 2018-05-04 | A kind of anode oxidation process of aluminium alloy automobile luggage carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420539.0A CN110438542A (en) | 2018-05-04 | 2018-05-04 | A kind of anode oxidation process of aluminium alloy automobile luggage carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110438542A true CN110438542A (en) | 2019-11-12 |
Family
ID=68427162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810420539.0A Pending CN110438542A (en) | 2018-05-04 | 2018-05-04 | A kind of anode oxidation process of aluminium alloy automobile luggage carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110438542A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965099A (en) * | 2019-12-31 | 2020-04-07 | 苏州市科渠金属制品有限公司 | Aluminum alloy mirror surface anodic oxidation method |
| CN111074320A (en) * | 2019-12-24 | 2020-04-28 | 托伦斯半导体设备启东有限公司 | Electrolyte for preparing aluminum alloy hard anodic oxide film and preparation method |
| CN111188071A (en) * | 2020-02-25 | 2020-05-22 | 上海宇铱新材料有限公司 | High-performance hole sealing process for aluminum alloy anodic oxidation |
| CN111455425A (en) * | 2020-04-15 | 2020-07-28 | 浙江龙纪汽车零部件股份有限公司 | Anodic oxidation process of high-corrosion-resistance automobile aluminum material |
| CN113755923A (en) * | 2020-09-18 | 2021-12-07 | 英迪那米(徐州)半导体科技有限公司 | Aluminum alloy hard anodic oxidation electrolyte and preparation method thereof |
| CN114941165A (en) * | 2022-05-26 | 2022-08-26 | 上海英汇科技发展有限公司 | Sand blasting and black anodic oxidation combined surface treatment process and application thereof |
-
2018
- 2018-05-04 CN CN201810420539.0A patent/CN110438542A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074320A (en) * | 2019-12-24 | 2020-04-28 | 托伦斯半导体设备启东有限公司 | Electrolyte for preparing aluminum alloy hard anodic oxide film and preparation method |
| CN110965099A (en) * | 2019-12-31 | 2020-04-07 | 苏州市科渠金属制品有限公司 | Aluminum alloy mirror surface anodic oxidation method |
| CN111188071A (en) * | 2020-02-25 | 2020-05-22 | 上海宇铱新材料有限公司 | High-performance hole sealing process for aluminum alloy anodic oxidation |
| CN111188071B (en) * | 2020-02-25 | 2021-08-06 | 上海宇铱新材料有限公司 | High-performance hole sealing process for aluminum alloy anodic oxidation |
| CN111455425A (en) * | 2020-04-15 | 2020-07-28 | 浙江龙纪汽车零部件股份有限公司 | Anodic oxidation process of high-corrosion-resistance automobile aluminum material |
| CN113755923A (en) * | 2020-09-18 | 2021-12-07 | 英迪那米(徐州)半导体科技有限公司 | Aluminum alloy hard anodic oxidation electrolyte and preparation method thereof |
| CN114941165A (en) * | 2022-05-26 | 2022-08-26 | 上海英汇科技发展有限公司 | Sand blasting and black anodic oxidation combined surface treatment process and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110438542A (en) | A kind of anode oxidation process of aluminium alloy automobile luggage carrier | |
| CN105088309B (en) | A kind of energy-efficient anode oxidative treatment method of pack alloy | |
| CN103334140B (en) | The golden yellow dyeing of aluminium alloy anode oxide room temperature | |
| CN103320831B (en) | The anodic oxidation colouring method of metal works | |
| CN103590043B (en) | The pretreated method of aluminum alloy surface | |
| CN106637338A (en) | Anodic oxidation process for automobile aluminum alloy baggage holders | |
| CN101724880B (en) | Electrolyte, anodization method and anodized silicon-aluminum alloy | |
| CN103014804A (en) | Aluminum alloy with army-green micro-arc oxidation ceramic membrane on surface and preparation method of aluminum alloy | |
| CN107740167A (en) | A kind of ambient stable high-efficiency aluminum and aluminium alloy environmental protection sealer | |
| CN109280949A (en) | A kind of preparation method of light-alloy surface black thermal control coating | |
| CN105543920B (en) | Magnesium alloy differential arc oxidation layer surface prepares the processing method of conductive coating | |
| CN110219031A (en) | Anodic oxidation electrolyte and method, the aluminum or aluminum alloy with anode oxide film | |
| KR101291062B1 (en) | Method of surface treatment for exterior decor of car | |
| CN105200482A (en) | Nickel-free hole sealing agent for improving abrasion resistance of aluminum alloy anode oxide film and preparation method of nickel-free hole sealing agent | |
| CN109628977A (en) | A kind of aluminium alloy anode oxide electrolyte and anode oxidation process | |
| CN104131326A (en) | Electrolyte for micro-arc oxidation of magnesium alloys | |
| CN110952123A (en) | Preparation method of high-corrosion-resistance aluminum alloy anodic oxidation protective layer | |
| NO833388L (en) | PROCEDURE FOR SURFACE TREATMENT OF ALUMINUM AND ALUMINUM ALLOYS | |
| CN203007452U (en) | Aluminum alloy with army green micro-arc oxidation ceramic membrane on surface | |
| CN109252200A (en) | A kind of aluminum alloy die casting surface treatment method | |
| CN106702464A (en) | Electrolyte for preparing black ceramic film layer through micro-arc oxidation for magnesium alloy, and method | |
| CN103361700A (en) | Electrolytic coloring method for aluminum sections | |
| CN109137040A (en) | A kind of aluminium alloy mantoquita electrolysis coloring processes and product | |
| CN103305891A (en) | Method for whitening surface of metal material | |
| CN109183118A (en) | Nickel pink salt colours sealing of hole recycling colorant and Waste water utilization method and Configuration Online |
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: 20191112 |