CN107937963A - A kind of illuminating colour and aluminum alloy die casting golden yellow color method - Google Patents
A kind of illuminating colour and aluminum alloy die casting golden yellow color method Download PDFInfo
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- CN107937963A CN107937963A CN201711400102.2A CN201711400102A CN107937963A CN 107937963 A CN107937963 A CN 107937963A CN 201711400102 A CN201711400102 A CN 201711400102A CN 107937963 A CN107937963 A CN 107937963A
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- die casting
- aluminum alloy
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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
- C25D11/24—Chemical after-treatment
- C25D11/243—Chemical after-treatment using organic dyestuffs
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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
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/20—Electrolytic after-treatment
- C25D11/22—Electrolytic after-treatment for colouring layers
Abstract
The invention discloses a kind of illuminating colour and aluminum alloy die casting golden yellow color method, belongs to aluminum alloy die casting coloring field.The illuminating colour is to include：The aqueous solution of alizarin yellow, acid orange and glacial acetic acid, wherein, the concentration of the alizarin yellow is 5 15g/L, and the concentration of the acid orange is 0.5 5g/L, and the concentration of the glacial acetic acid is 0.2 4g/L.The described method includes：Aluminum alloy die casting is coloured using illuminating colour, the illuminating colour is to include：The aqueous solution of alizarin yellow, acid orange and glacial acetic acid, wherein, the concentration of the alizarin yellow is 5 15g/L, and the concentration of the acid orange is 0.5 5g/L, and the concentration of the glacial acetic acid is 0.2 4g/L.Aluminum alloy die casting can be colored as golden yellow by illuminating colour provided in an embodiment of the present invention, and aluminum alloy die casting is colored as golden yellow by aluminum alloy die casting golden yellow color method provided in an embodiment of the present invention, and has metallic luster.
Description
Technical field
The present invention relates to aluminum alloy die casting to colour field, and more particularly to a kind of illuminating colour and aluminum alloy die casting are golden yellow
Chromatic colorant method.
Background technology
Alloy colouring refers to that aluminium alloy passes through table the methods of chemical impregnation, electrochemical process and heat treating process in aluminium alloy
Face forms one layer of film layer for carrying certain color, and the film layer has certain anti-corrosion capability.
Aluminum alloy die casting can only be colored as to bronze color method at present, aluminum alloy die casting can't be coloured to golden yellow
Color, the bronze colour color method include being passivated the surface of aluminium alloy to be colored, at anodic oxidation, coloring and closing
Reason, in coloring treatment, using acid dark-blue, alizarin yellow and glacial acetic acid as illuminating colour.
In the implementation of the present invention, inventor has found that the prior art has at least the following problems：
The coloring color of existing aluminum alloy die casting is single, and aluminum alloy die casting cannot be coloured to golden yellow, this
Define the application range of aluminum alloy die casting.
The content of the invention
In order to solve the problems, such as that aluminum alloy die casting coloring color of the prior art is single, an embodiment of the present invention provides
A kind of illuminating colour and aluminum alloy die casting golden yellow color method.The technical solution is as follows：
On the one hand, it is to include an embodiment of the present invention provides a kind of illuminating colour, the illuminating colour：Alizarin yellow, acidity
The aqueous solution of orange and glacial acetic acid, wherein, the concentration of the alizarin yellow is 5-15g/L, and the concentration of the acid orange is 0.5-5g/L,
The concentration of the glacial acetic acid is 0.2-4g/L.
On the other hand, an embodiment of the present invention provides a kind of aluminum alloy die casting golden yellow color method, the method bag
Include：
Aluminum alloy die casting is coloured using illuminating colour, the illuminating colour is to include：Alizarin yellow, acid orange and
The aqueous solution of glacial acetic acid, wherein, the concentration of the alizarin yellow is 5-15g/L, and the concentration of the acid orange is 0.5-5g/L, described
The concentration of glacial acetic acid is 0.2-4g/L.
Specifically, the coloration temperature is 40-65 DEG C, and the coloration time is 5-20min.
Specifically, before the aluminum alloy die casting is coloured, the aluminum alloy die casting is subjected to coloring pretreatment,
The coloring pretreatment includes：
1) using the aluminum alloy die casting as anode, it is placed in carrying out the in the sulfuric acid solution that concentration is 180-220g/L
One coloring pretreatment, the voltage of the first coloring pretreatment is 8-10V, and the current density of the first coloring pretreatment is
0.3-1A/dm2, the reaction time of the first coloring pretreatment is 10-30s；
2) using the aluminum alloy die casting as cathode, using magnalium plate as anode, be placed in coloring pretreatment fluid into
The coloring pretreatment of row second, the reaction temperature of the second coloring pretreatment is 20-35 DEG C, the electricity of the second coloring pretreatment
Press as 8-10V, the current density of the second coloring pretreatment is 0.1-0.5A/dm2, it is described when colouring pre- reaction for the second time
Between be 20-40s；
3) aluminum alloy die casting is placed at 70-80 DEG C and heats 6-12h.
Further, the coloring pretreatment fluid is to include aluminum sulfate, magnesium acetate and the water for colouring pretreatment glacial acetic acid
Solution, the concentration of the aluminum sulfate is 0.2-0.5g/L, and the concentration of the magnesium acetate is 0.3-1.5g/L, the coloring pretreatment
It is 1-3g/L with the concentration of glacial acetic acid.
Further, aluminum alloy die casting is subjected to anodized, the side of the anodic oxidation before the coloring
Method includes：The aluminum alloy die casting is placed in the sulfuric acid solution that concentration is 180-220g/L, the temperature of the anodic oxidation
For 5-20 DEG C, the voltage of the anodic oxidation is 8-18V, and the current density of the anodic oxidation is 0.8-1.5A/dm2。
Further, surface preparation is carried out to the aluminum alloy die casting before the anodic oxidation, the surface is pre-
The method of processing includes：
Remove remaining greasy dirt on the aluminum alloy die casting；
The surface of the aluminum alloy die casting is polished；
Wash the aluminum alloy die casting；
The aluminum alloy die casting is placed in concentrated nitric acid and soaks 5-10min, obtains surface covered with described in passivating film
Aluminum alloy die casting；Wherein, the mass concentration of concentrated nitric acid is 70%.
It is used for the anodic oxidation after the aluminum alloy die casting is cleaned.
Specifically, by the aluminum alloy die casting after coloring by washing and carrying out Seal treatment, the Seal treatment
Method include：The aluminum alloy die casting is placed in lock solution, the temperature of the Seal treatment is 80-85 DEG C, described
The time of Seal treatment is 15-20min.
Specifically, the lock solution is to include：The aqueous solution of nickel sulfate, cobaltous sulfate and sodium acetate, wherein, the sulfuric acid
The concentration of nickel is 4.2g/L, and the concentration of the cobaltous sulfate is 0.7g/L, and the concentration of sodium acetate is 4.8g/L, the lock solution
PH value is 4.5-5.5.
Further, will be dried by the aluminum alloy die casting of Seal treatment after washing.
Further, will be processed by shot blasting by the aluminum alloy die casting of Seal treatment.
The beneficial effect that technical solution provided in an embodiment of the present invention is brought is：Illuminating colour provided in an embodiment of the present invention
Aluminum alloy die casting can be coloured, the aluminum alloy die casting after coloring is golden yellow, and has metallic luster, this increase
The color of colored aluminum alloy die casting, meanwhile, the granular size of the illuminating colour is respectively less than 1nm so that the illuminating colour is easy
In being adsorbed to the hole depths of anode oxide film, and make the aluminum alloy die casting after coloring that there is higher color fastness, this hair
The aluminum alloy die casting golden yellow color method that bright embodiment provides, is dyed aluminum alloy die casting by alizarin yellow and acid orange
Golden yellow, and the compacting aluminium alloy after dyeing has metallic luster.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the flow chart of aluminum alloy die casting golden yellow color method provided by Embodiment 2 of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Alizarin yellow purchase provided in this embodiment is in three factory of Shenyang City's reagent；Acid orange is bought in the limited public affairs of An Longda chemical industry
Department.
Embodiment one
An embodiment of the present invention provides a kind of illuminating colour, which is suitable for the aluminum alloy die casting containing Mn,
And the content of Mn is 0.5-5%, which is to include：The aqueous solution of alizarin yellow, acid orange and glacial acetic acid, wherein, alizarin
Yellow concentration is 5-15g/L, and the concentration of acid orange is 0.5-5g/L, and the concentration of glacial acetic acid is 0.2-4g/L.
Since the molecular weight of the alizarin yellow in the illuminating colour of the present invention, acid orange and glacial acetic acid is respectively less than 1000, according to
Dalton empirical table, molecular weight 1000, then corresponding aperture is 0.001 μm, meanwhile, which is utilized 1nm's
Filter membrane is filtered, which can pass through filter membrane, it was demonstrated that the illuminating colour is less than 1nm.
Illuminating colour provided in an embodiment of the present invention can colour aluminum alloy die casting, the aluminium alloy pressure after coloring
Casting is golden yellow, and has metallic luster, which increase the color of colored aluminum alloy die casting, meanwhile, the illuminating colour
Granular size is respectively less than 1nm, due to capillary absorption effect so that the illuminating colour is easy to be adsorbed to the hole of anode oxide film
Depths, and make the aluminum alloy die casting after coloring that there is higher color fastness.
Embodiment two
An embodiment of the present invention provides a kind of aluminum alloy die casting golden yellow color method, this method is suitable for containing Mn's
Aluminum alloy die casting, and the content of Mn is 0.5-5%, with reference to Fig. 1, this method includes：
Step 1：Surface preparation, including：
Remove remaining greasy dirt on aluminum alloy die casting；Specifically, chemical method can be used, such as acid solution or caustic dip
Remaining greasy dirt on aluminum alloy die casting is removed etc. mode.
The surface of aluminum alloy die casting is polished；Specifically, the method that mechanical polishing or chemical polishing can be used
The surface of aluminum alloy die casting is polished.
Wash aluminum alloy die casting；
Aluminum alloy die casting is placed in concentrated nitric acid and soaks 5-10min, obtains aluminium alloy pressure of the surface covered with passivating film
Casting；
After washing aluminum alloy die casting of the surface covered with passivating film and dried.
Step 2：Anodized, the method for anodic oxidation include：It is 180- that aluminum alloy die casting is placed in concentration
In the sulfuric acid solution of 220g/L, the temperature of anodic oxidation is 5-20 DEG C, and the voltage of anodic oxidation is 8-18V, the electricity of anodic oxidation
Current density is 0.8-1.5A/dm2.The oxide film of high quality of water white transparency is obtained after anodic oxidation.Wash the aluminium after anodic oxidation
Alloy pressuring casting is simultaneously dried.Meanwhile pass through the hole of the anode oxide film on scanning electron microscope subsidiary aluminum alloy die casting
Gap size, the aperture for measuring hole are 15-19nm, and the depth of the hole of anodic oxidation is surveyed by stripping method, measures the anodic oxygen
The depth for changing the hole of film is 10-30 μm.
Step 3：Coloring pretreatment, 1) using aluminum alloy die casting as anode, noble metal plate as cathode (such as platinum or titanium),
It is placed in carrying out the first coloring pretreatment in the sulfuric acid solution that concentration is 180-220g/L, the voltage of the first coloring pretreatment is 8-
10V, the current density of the first coloring pretreatment is 0.3-1A/dm2, the reaction time of the first coloring pretreatment is 10-30s.The
One coloring pretreatment is used to remove the metal cation in anode oxide film, which includes Mn ions.
2) it is cathode by the processed aluminum alloy die casting of step 1), using magnalium plate as anode, (magnalium plate includes quality
The magnesium that the aluminium and mass fraction that fraction is 95% are 5%), it is placed in carrying out the second coloring pretreatment in coloring pretreatment fluid,
Color pretreatment fluid is to include aluminum sulfate, magnesium acetate and the aqueous solution for colouring pretreatment glacial acetic acid, and the concentration of aluminum sulfate is 0.2-
0.5g/L, the concentration of magnesium acetate is 0.3-1.5g/L, and coloring pretreatment is 1-3g/L with the concentration of glacial acetic acid, and the second coloring is pre- to be located
The reaction temperature of reason is 20-35 DEG C, and the voltage of the second coloring pretreatment is 8-10V, and the current density of the second coloring pretreatment is
0.1-0.5A/dm2, the second coloring pre- reaction time is 20-40s.Second colours pretreatment aluminium ion and magnesium ion into one
Step repairs anode oxide film, fills up the room of cation-deficient.Aluminum alloy die casting is washed after second step coloring pretreatment
And dry.
3) anode oxidation membrane of the aluminum alloy die casting obtained by step 2) is subjected to stabilization processes, processing method is will
Aluminum alloy die casting is placed in 70-80 DEG C of insulating box, and time 6-12h, aluminum alloy die casting is with insulating box one after heating
With cooling.
Step 4：Coloring, colours aluminum alloy die casting using illuminating colour, illuminating colour is to include：Alizarin yellow,
The aqueous solution of acid orange and glacial acetic acid, wherein, the concentration of alizarin yellow is 5-15g/L, and the concentration of acid orange is 0.5-5g/L, ice vinegar
The concentration of acid is 0.2-4g/L.
Specifically, coloration temperature is 40-65 DEG C, coloration time 5-20min, and the aluminum alloy die casting after coloring is passed through
Wash and dried.
Step 5：Seal treatment, the method for Seal treatment include：Aluminum alloy die casting is placed in lock solution, at closing
The temperature of reason is 80-85 DEG C, and the time of Seal treatment is 15-20min, and lock solution includes：Nickel sulfate, cobaltous sulfate and acetic acid
Sodium, wherein, the concentration of nickel sulfate is 4.2g/L, and the concentration of cobaltous sulfate is 0.7g/L, and the concentration of sodium acetate is 4.8g/L, and closing is molten
The pH value of liquid is 4.5-5.5.It will be dried by the aluminum alloy die casting of Seal treatment after washing.After Seal treatment
Its thickness of anode oxide film scanning electron microscopic observation is 19 μm, its density is measured as 2.59 × 10 with stripping method3kg/m3, by hard
Degree measure microhardness is HV530.
Step 6：Polishing, the aluminum alloy die casting after coloring is processed by shot blasting.In the present embodiment, machinery can be used
Polishing processes are processed by shot blasting.The thickness for measuring the anode oxide film after polishing at the same time is 18 μm.
By the aluminum alloy die casting after coloring when 48 is small after neutral salt spray test, the lustrous surface of aluminum alloy die casting
It is unchanged.
Meanwhile the aluminum alloy die casting sample after colored polish is subjected to acetes chinensis, the results show with spectrophotometer
Aberration △ E are respectively less than 1, this illustrates that the color of the aluminum alloy die casting sample does not have the phenomenon of aberration or layering.In addition, will coloring
Aluminum alloy die casting sample after polishing carries out metallic reflection rate measurement with spectrophotometer, in visible-range, measures this
The metallic reflection rate of aluminum alloy die casting sample is more than 80%, it can be seen that, which has well anti-
Performance is penetrated, good reflecting properties are obtained by the metallic luster of the aluminum alloy die casting after coloring.Meanwhile multi-angle is seen
The aluminum alloy die casting after colored polish is examined, the aluminum alloy die casting color after the colored polish is full uniformly, and range estimation, which has no, appoints
What aberration or layering.
Aluminum alloy die casting golden yellow color method provided in an embodiment of the present invention, is closed aluminium by alizarin yellow and acid orange
Golden die casting dyes golden yellow, and the compacting aluminium alloy after dyeing has metallic luster, meanwhile, the present embodiment provides the pre- place of coloring
In reason, first step coloring pretreatment is used to the metal cation Mn in anode oxide film being transferred in sulfuric acid solution, if not going
Except Mn ions, then Mn ions can form the MnO of the MnO, even black of grey in anode oxide film2, eliminate Mn ions
Afterwards, anode oxide film can avoid MnO and MnO2Interference, so as to show the aluminium alloy for carrying golden yellow metallic luster
The degree bright in luster and coloring effect of die casting；Removed in second step coloring pretreatment using the principle of electric charge " homopolar-repulsion "
Remove the sulfate ion and nitrate ion in anode oxide film, on the one hand, after removing sulfate ion and nitrate ion,
Clean up the hole of anode oxide film so that illuminating colour provided in an embodiment of the present invention can enter the hole of anode oxide film
In, so as to improve anode oxide film absorption acid dyes ability, improve tinctorial yield, on the other hand, go sulfate radical from
The anode oxide film of son and nitrate ion, and make anode oxide film adsorb the aluminium ion of more trivalents and the magnesium of divalence from
Son, these ions enter the hole depths of anode oxide film, and absorption and interionic transition reaction occurs with anode oxide film, fill out
The vacancy of lattice lattice point in anode oxide film is mended, so that anode oxide film is fine and close and stablizes.The 3rd of coloring pretreatment the
In step, anode oxidation membrane is subjected to stabilization processes so that the aluminium ion adsorbed on anode oxide film is fully oxidized, so that
Improve α-Al in anode oxide film2O3Shared ratio so that the component of anode oxide film is evenly, it is easier in coloring process
Middle guarantee uniform coloring, while aluminium ion is fully oxidized and increases the volume of anode oxide film, and anode oxide film is more caused
It is close, more firm, on the one hand, this enables the aluminum alloy die casting after coloring to be processed by shot blasting anode oxide film, and makes
Anode oxide film has more preferable metallic luster, and on the other hand, fine and close anode oxide film can cause anode oxide film to have
Higher corrosion resistance.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of illuminating colour, it is characterised in that the illuminating colour is to include：Alizarin yellow, acid orange and glacial acetic acid it is water-soluble
Liquid, wherein, the concentration of the alizarin yellow is 5-15g/L, and the concentration of the acid orange is 0.5-5g/L, the concentration of the glacial acetic acid
For 0.2-4g/L.
A kind of 2. aluminum alloy die casting golden yellow color method, it is characterised in that the described method includes：
Aluminum alloy die casting is coloured using illuminating colour, the illuminating colour is to include：Alizarin yellow, acid orange and ice vinegar
The aqueous solution of acid, wherein, the concentration of the alizarin yellow is 5-15g/L, and the concentration of the acid orange is 0.5-5g/L, the ice vinegar
The concentration of acid is 0.2-4g/L.
3. according to the method described in claim 2, it is characterized in that, the coloration temperature is 40-65 DEG C, the coloration time is
5-20min。
4. according to the method described in claim 2, it is characterized in that, before the aluminum alloy die casting is coloured, will described in
Aluminum alloy die casting carries out coloring pretreatment, and the coloring pretreatment includes：
1) using the aluminum alloy die casting as anode, it is placed in carrying out first in the sulfuric acid solution that concentration is 180-220g/L
Color pre-processes, and the voltage of the first coloring pretreatment is 8-10V, and the current density of the first coloring pretreatment is 0.3-
1A/dm2, the reaction time of the first coloring pretreatment is 10-30s；
2) using the aluminum alloy die casting as cathode, using magnalium plate as anode, it is placed in carrying out the in coloring pretreatment fluid
Two coloring pretreatments, the reaction temperature of the second coloring pretreatment is 20-35 DEG C, and the voltage of the second coloring pretreatment is
8-10V, the current density of the second coloring pretreatment is 0.1-0.5A/dm2, the reaction time of the second coloring pretreatment
For 20-40s；
3) aluminum alloy die casting is placed at 70-80 DEG C and heats 6-12h.
5. according to the method described in claim 4, it is characterized in that, the coloring pretreatment fluid is to include aluminum sulfate, magnesium acetate
With the aqueous solution of coloring pretreatment glacial acetic acid, the concentration of the aluminum sulfate is 0.2-0.5g/L, and the concentration of the magnesium acetate is
0.3-1.5g/L, the coloring pretreatment are 1-3g/L with the concentration of glacial acetic acid.
6. according to the method described in claim 4, it is characterized in that, aluminum alloy die casting is carried out before the coloring pretreatment
Anodized, the method for the anodic oxidation include：It is 180-220g/L's that the aluminum alloy die casting is placed in concentration
In sulfuric acid solution, the temperature of the anodic oxidation is 5-20 DEG C, and the voltage of the anodic oxidation is 8-18V, the anodic oxidation
Current density be 0.8-1.5A/dm2。
7. according to the method described in claim 6, it is characterized in that, before the anodic oxidation to the aluminum alloy die casting into
Row surface preparation, the method for the surface preparation include：
Remove remaining greasy dirt on the aluminum alloy die casting；
The surface of the aluminum alloy die casting is polished；
Wash the aluminum alloy die casting；
The aluminum alloy die casting is placed in concentrated nitric acid and soaks 5-10min, the aluminium of the surface covered with passivating film is obtained and closes
Golden die casting；
It is used for the anodic oxidation after the aluminum alloy die casting is cleaned.
8. according to the method described in claim 2, it is characterized in that, by the aluminum alloy die casting after coloring by washing simultaneously
Seal treatment is carried out, the method for the Seal treatment includes：The aluminum alloy die casting is placed in lock solution, the closing
The temperature of processing is 80-85 DEG C, and the time of the Seal treatment is 15-20min.
9. according to the method described in claim 8, it is characterized in that, the lock solution is to include：Nickel sulfate, cobaltous sulfate and vinegar
The aqueous solution of sour sodium, wherein, the concentration of the nickel sulfate is 4.2g/L, and the concentration of the cobaltous sulfate is 0.7g/L, the acetic acid
The concentration of sodium is 4.8g/L, and the pH value of the lock solution is 4.5-5.5.
10. according to the method described in claim 8, it is characterized in that, by by Seal treatment the aluminum alloy die casting into
Row polishing treatment.
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| CN201711400102.2A CN107937963A (en) | 2017-12-22 | 2017-12-22 | A kind of illuminating colour and aluminum alloy die casting golden yellow color method |
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| CN201711400102.2A CN107937963A (en) | 2017-12-22 | 2017-12-22 | A kind of illuminating colour and aluminum alloy die casting golden yellow color method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712575A (en) * | 2005-05-12 | 2005-12-28 | 江汉大学 | Bronze coloring process of pack alloy |
| CN103334140A (en) * | 2013-06-19 | 2013-10-02 | 佛山耀银山铝业有限公司 | Anodic oxidation and normal-temperature golden dyeing technology for aluminum alloy |
| CN105506706A (en) * | 2016-01-04 | 2016-04-20 | 沈阳建筑大学 | Aluminum alloy anodizing coloring treatment method |
| CN106867275A (en) * | 2017-01-09 | 2017-06-20 | 广东长盈精密技术有限公司 | The preparation method of aluminium alloy dyeing black dyes, the colouring method of aluminium alloy |
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2017
- 2017-12-22 CN CN201711400102.2A patent/CN107937963A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712575A (en) * | 2005-05-12 | 2005-12-28 | 江汉大学 | Bronze coloring process of pack alloy |
| CN103334140A (en) * | 2013-06-19 | 2013-10-02 | 佛山耀银山铝业有限公司 | Anodic oxidation and normal-temperature golden dyeing technology for aluminum alloy |
| CN105506706A (en) * | 2016-01-04 | 2016-04-20 | 沈阳建筑大学 | Aluminum alloy anodizing coloring treatment method |
| CN106867275A (en) * | 2017-01-09 | 2017-06-20 | 广东长盈精密技术有限公司 | The preparation method of aluminium alloy dyeing black dyes, the colouring method of aluminium alloy |
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| 沈品华: "《现代电镀手册（下册）》", 31 July 2011, 机械工业出版社 * |
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Application publication date: 20180420 |