CN107761150A - A kind of beryllium alumin(i)um alloy and preparation method thereof - Google Patents
A kind of beryllium alumin(i)um alloy and preparation method thereof Download PDFInfo
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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
- C25D11/16—Pretreatment, e.g. desmutting
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- 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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- 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
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- 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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Abstract
The present invention relates to beryllium alumin(i)um alloy field, specifically discloses a kind of beryllium alumin(i)um alloy and preparation method thereof, and the beryllium alumin(i)um alloy includes beryllium alumin(i)um alloy matrix and the coloured anode oxide film positioned at beryllium alumin(i)um alloy matrix surface.This method step includes：By the beryllium alumin(i)um alloy precursor that need to be handled through S1, alkali cleaning；S2, pickling；S3, acid attack；S4, anodic oxidation；S5, hot water wash；S6, dyeing；S7, the beryllium alumin(i)um alloy is closed to obtain, the beryllium alumin(i)um alloy corrosion resistance of preparation is stronger and has preferable delustering functions, is more suitable for optical structure element.
Description
Technical field
The present invention relates to beryllium alumin(i)um alloy field, more particularly to a kind of beryllium alumin(i)um alloy and preparation method thereof.
Background technology
Beryllium alumin(i)um alloy has the characteristics that light weight, specific strength are high, specific stiffness is high, thermostabilization is good, high tenacity, anticorrosive, knot
Closed many good characteristics such as the low-density of beryllium and the workability of aluminium, space flight, aviation, Technological Problems In Computer Manufacturing, automotive field and
Have broad application prospects in high-precision, high speed electric welding machine industry, it has also become a kind of more and more important new material,
Due to the mutually intrinsic characteristic of Aluminum in Alloy, there is the restriction of wearability, hardness and corrosion resistance deficiency in beryllium alumin(i)um alloy, limit aluminizing
The application of alloy, particularly beryllium alumin(i)um alloy are as optical structure element in use, corrosion-resistant and delustering functions are its indispensable demands.
It is existing to have to extend the service life of beryllium alumin(i)um alloy, and beryllium alumin(i)um alloy is surface-treated, such as patent
CN104233429A discloses a kind of beryllium alumin(i)um alloy anode oxidation method, comprises the following steps：(1) beryllium alumin(i)um alloy is thrown
Light；(2) the old oxide-film on hanger is removed, clips and contact good with fixture；(3) NaOH20g/L alkali cleanings are used, except oil temperature
For 80 DEG C~85 DEG C, the time is 5s~10s；(4) first washed with flowing hot water, then washed with flowing cool water；(5) light extraction at room temperature,
Time is 3s~5s；(6) deionization washing 0.5min~2min；(7) anodic oxidation：Chromic anhydride 130g/L, boric acid 7g/L, temperature 5
DEG C~15 DEG C, time 90min, current density is 10~60A/dm2；(8) flowing cool water washes 0.5min~2min；(9) hot water
Closing or bichromate closing, improve oxidation film corrosion resistance；(10) flowing cool water washes 0.5min~2min；(11) pressure-air blows
Fixture is removed after dry；Spraying paint afterwards；(12) 24h is dried at a temperature of 70 DEG C~80 DEG C, by carrying out oxygen to beryllium alumin(i)um alloy
Change, the oxidation film layer of preferable insulating properties can be obtained, effectively extend the service life of beryllium alumin(i)um alloy, but it does not meet still now
There is the requirement of optical structure element, and do not have delustering functions.
The content of the invention
It is contemplated that overcoming the beryllium alumin(i)um alloy of existing preparation not meet the requirement of existing optical structure element, and do not have and disappear
The technical problem of light function, there is provided stronger and with delustering functions beryllium alumin(i)um alloy of a kind of corrosion resistance and preparation method thereof, should
Method is simply easily realized, and obtained coloured anode oxide film uniformly continuous, and the phenomenon of no local non-film forming, nothing comes off, no office
Phenomena such as portion's hair powder, colour fading, color is uniform and stable, has higher application value.
To achieve the above object, the present invention uses following technical scheme：
On the one hand, the present invention provides a kind of beryllium alumin(i)um alloy, and the beryllium alumin(i)um alloy includes beryllium alumin(i)um alloy matrix and closed positioned at aluminizing
The coloured anode oxide film of golden matrix surface.
In some embodiments, the coloured anode oxide film is black anodized layer.
In some embodiments, the thickness of coloured anode oxide film is 5 μm -15 μm.
The present invention also provides the preparation method of above-mentioned beryllium alumin(i)um alloy simultaneously, and its step includes：The beryllium alumin(i)um alloy that need to will be handled
Precursor is through S1, alkali cleaning；S2, pickling；S3, acid attack；S4, anodic oxidation；S5, hot water wash；S6, dyeing；S7, close to obtain the beryllium
Aluminium alloy.
Also include filling the beryllium alumin(i)um alloy precursor that need to be handled hanging in some embodiments, before step S1, fill utensil used in hanging
For aluminium alloy device.
In some embodiments, acid used in pickling is the mixed acid of sulfuric acid and chromic anhydride in step S2, the sulfuric acid and chromic anhydride
Mass ratio is 2: 1.
In some embodiments, acid attack liquid used in acid attack is the mixed acid of nitric acid and hydrofluoric acid in step S3；The nitre
The concentration of acid is 35wt%-40wt%, and the concentration of the hydrofluoric acid is 10ml/L.
In some embodiments, dyestuff used in dyeing is black dyes in step S6.
In some embodiments, confining liquid used in closing includes nickel sulfate, sodium acetate and lauryl sodium sulfate in step S7.
In some embodiments, step S1 alkali cleaning, which includes immersing the beryllium alumin(i)um alloy precursor that need to be handled in alkali wash water, cleans,
The time of cleaning is the 10-20 seconds, and temperature is 60-70 DEG C.
In some embodiments, alkali wash water used in alkali cleaning includes sodium carbonate, sodium phosphate and sodium hydroxide, the carbon in step S1
The mass ratio of sour sodium, sodium phosphate and sodium hydroxide is 3: 2: 3.
In some embodiments, step S2 pickling, which includes immersing beryllium alumin(i)um alloy obtained by step S1 in acid, cleans, cleaning
Time is the 5-8 seconds, and temperature is 22-27 DEG C.
In some embodiments, step S3 acid attack includes immersing beryllium alumin(i)um alloy obtained by step S2 in acid attack liquid, leaching
The time entered is the 3-5 seconds, 22-27 DEG C of temperature.
In some embodiments, step S4 anodic oxidation includes beryllium alumin(i)um alloy obtained by step S3 carrying out anodic oxidation, sun
The time of pole oxidation is 45-60 minutes, 25-30 DEG C of temperature.
In some embodiments, electrolyte used in step S4 Anodic Oxidations includes chromic anhydride, boric acid and citric acid；The anode
The current density of oxidation is 2.0-2.5A/dm2。
In some embodiments, step S5 hot water wash includes cleaning beryllium alumin(i)um alloy obtained by step S4 with hot water, cleaning
Time is 1-2 minutes, and the temperature of hot water is 60 DEG C.
In some embodiments, step S6 dyeing includes immersing beryllium alumin(i)um alloy obtained by step S5 in dyestuff, immersion when
Between be 10-15 minutes, temperature is 25-30 DEG C.
In some embodiments, step S7 closing includes immersing beryllium alumin(i)um alloy obtained by step S6 in confining liquid, immersion
Time is 20-25 minutes, and temperature is 70-80 DEG C.
In some embodiments, drying is also included after step S7.
Though prior art has the open coloring in general aluminium alloy such as alusil alloy, do not disclose to beryllium alumin(i)um alloy
Coloring, such as CN201310146647.0 discloses a kind of alusil alloy anode oxidation coloration production technology, and first aluminium silicon is closed
Metal working part carries out physical surface treatment, then anodic oxidation is carried out to it, and anode oxidation groove liquid composition contains concentration 5-25g/l phosphorus
Alusil alloy workpiece, is then placed in dyestuff and colours by sour aluminium salt and concentration 2-10g/l TiO_2 nanoparticles, then to its table
Face sealing of hole, alusil alloy workpiece is finally dried into but it is not particularly suited for the anode oxidation coloration of beryllium alumin(i)um alloy.
The beneficial effects of the present invention are：
Beryllium alumin(i)um alloy corrosion resistance prepared by the present invention is stronger and has preferable delustering functions, passes through the method for the present invention
Form coloured anode oxide film on beryllium alumin(i)um alloy surface, the coloured anode oxide film uniformly continuous of acquisition, no local non-film forming
Phenomenon, without coming off, without local hair powder, fade phenomena such as, color is uniform and stable, irradiates and tests through ultraviolet, and sun-proof degree is up to 7-8
Level, after nitric acid presoaks, soaks, without obvious corrosion phenomenon, is more suitable for optical structure element for a long time in phosphorus-chromic acid solution.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, without structure
Into limitation of the present invention.
The invention provides a kind of beryllium alumin(i)um alloy, the beryllium alumin(i)um alloy includes beryllium alumin(i)um alloy matrix and positioned at beryllium alumin(i)um alloy matrix
The coloured anode oxide film on surface, corrosion resistance is stronger and has preferable delustering functions, is more suitable for optical structure element.
In some embodiments, the coloured anode oxide film is black anodized layer, has preferable delustering functions.
In some embodiments, the thickness of coloured anode oxide film is 5 μm -15 μm, is specifically as follows 8 μm -12 μm.
The present invention also provides the preparation method of above-mentioned beryllium alumin(i)um alloy simultaneously, and its step includes：The beryllium alumin(i)um alloy that need to will be handled
Precursor is through S1, alkali cleaning；S2, pickling；S3, acid attack；S4, anodic oxidation；S5, hot water wash；S6, dyeing；S7, close to obtain the beryllium
Aluminium alloy.
The present invention passes through first alkali cleaning, again pickling, last acid attack again and then anodic oxidation, dyeing can be good at pair again
Beryllium alumin(i)um alloy is coloured, while the beryllium alumin(i)um alloy corrosion resistance prepared is stronger and has preferable delustering functions, and formation has
Color anode oxide film uniformly continuous, the phenomenon of no local non-film forming, without coming off, without local hair powder, fade phenomena such as, color is uniform
It is stable, irradiate and test through ultraviolet, the sun-proof reachable 7-8 levels of degree, after nitric acid presoaks, soaked for a long time in phosphorus-chromic acid solution,
Without obvious corrosion phenomenon, optical structure element is more suitable for.
Also include filling the beryllium alumin(i)um alloy precursor that need to be handled hanging in some embodiments, before step S1, fill utensil used in hanging
For aluminium alloy device.The step of dress the is hung present invention does not limit, and can be conventional steps, will not be repeated here, device used in dress extension
Have and be generally hanger, hook etc., the material of utensil is aluminium alloy used in the preferred dress extension of the present invention, and aluminium alloy can be tight with beryllium alumin(i)um alloy
Contiguity is touched, and ensures good conductance.
In some embodiments, step S1 alkali cleaning, which includes immersing the beryllium alumin(i)um alloy precursor that need to be handled in alkali wash water, cleans,
The time of cleaning is the 10-20 seconds, and temperature is 60-70 DEG C.Clean it is latter as cleaned with water, such as cleaned with deionized water at normal temperature
The 20-30 seconds.It is preferred that alkali wash water used in alkali cleaning includes sodium carbonate, sodium phosphate and sodium hydroxide, the sodium carbonate, phosphorus in step S1
The mass ratio of sour sodium and sodium hydroxide is 3: 2: 3, is specifically as follows sodium carbonate 30g/L, sodium phosphate 20g/L, sodium hydroxide 30g/
L。
In some embodiments, step S2 pickling, which includes immersing beryllium alumin(i)um alloy obtained by step S1 in acid, cleans, cleaning
Time is the 5-8 seconds, and temperature is 22-27 DEG C.Clean it is latter as cleaned with water, such as clean the 20-30 seconds with deionized water at normal temperature.It is excellent
Select, acid used in pickling is sulfuric acid and the mixed acid of chromic anhydride in step S2, and the mass ratio of the sulfuric acid and chromic anhydride is 2: 1, specifically may be used
Think sulfuric acid 100g/L, chromic anhydride 50g/L.
In some embodiments, step S3 acid attack includes immersing beryllium alumin(i)um alloy obtained by step S2 in acid attack liquid, leaching
The time entered is the 3-5 seconds, 22-27 DEG C of temperature.Immerse it is latter as cleaned with water, such as clean the 20-30 seconds with deionized water at normal temperature.
It is preferred that acid attack liquid used in acid attack is nitric acid and hydrofluoric acid in step S3；The concentration of the nitric acid is 35wt%-40wt%,
The concentration of the hydrofluoric acid is 10ml/L.
In some embodiments, step S4 anodic oxidation includes beryllium alumin(i)um alloy obtained by step S3 carrying out anodic oxidation, sun
The time of pole oxidation be 45-60 minutes, and temperature is 25-30 DEG C, and the present invention does not limit the step of anodic oxidation, such as 0V, 0A
When beryllium alumin(i)um alloy obtained by step S3 is immersed in anodizing tank, regulation electric current to the good real work desirable value of budget,
Time 45-60min.It is preferred that electrolyte used in step S4 Anodic Oxidations is that solution used includes chromic anhydride, boron in anodizing tank
Acid and citric acid.It is preferred that the current density of anodic oxidation is 2.0-2.5A/dm2。
In some embodiments, step S5 hot water wash includes cleaning beryllium alumin(i)um alloy obtained by step S4 with hot water, cleaning
Time is 1-2 minutes, and the temperature of hot water is 60 DEG C；It is specifically as follows 60 DEG C.
In some embodiments, step S6 dyeing includes immersing beryllium alumin(i)um alloy obtained by step S5 in dyestuff, immersion when
Between be 10-15 minutes, temperature is 25-30 DEG C；The 20-30 seconds can be cleaned after immersion with warm water such as 60 DEG C of deionized waters.It is preferred that
In some embodiments, dyestuff used in dyeing is black dyes in step S6.In some embodiments, step S7 closing includes will step
Beryllium alumin(i)um alloy obtained by rapid S6 is immersed in confining liquid, and the time of immersion is 20-25 minutes, and temperature is 70-80 DEG C.It is preferred that step S7
Confining liquid used in middle closing includes nickel sulfate, sodium acetate and lauryl sodium sulfate.
In some embodiments, drying is also included after step S7.The drying present invention does not limit.
Beryllium alumin(i)um alloy corrosion resistance prepared by the present invention is stronger and has preferable delustering functions, passes through the method for the present invention
Form coloured anode oxide film on beryllium alumin(i)um alloy surface, the coloured anode oxide film uniformly continuous of acquisition, no local non-film forming
Phenomenon, without coming off, without local hair powder, fade phenomena such as, color is uniform and stable, irradiates and tests through ultraviolet, and sun-proof degree is up to 7-8
Level, after nitric acid presoaks, soaks, without obvious corrosion phenomenon, is more suitable for optical structure element for a long time in phosphorus-chromic acid solution.
The present invention is further described with reference to specific embodiment.
Embodiment 1
The beryllium alumin(i)um alloy precursor that need to be handled is immersed in alkali wash water and cleaned, alkali wash water includes 30g/L sodium carbonate, 20g/L
Sodium phosphate and 30g/L sodium hydroxides, temperature are 60 DEG C, and the time of cleaning is 10 seconds, is then cleaned with deionized water, immersed afterwards
In the mixed acid solution of sulfuric acid containing 100g/L and 50g/L chromic anhydrides, the time is 5 seconds, is then cleaned with deionized water, immerses acid afterwards
Corroded 3 seconds in etchant, acid attack liquid is the mixed acid of 40wt% nitric acid and 10ml/L hydrofluoric acid, then uses normal temperature deionization
Water cleans, and immerses afterwards in anodizing tank, and electrolyte includes chromic anhydride, boric acid and citric acid in anodizing tank, adjusts electric current
To 2.5A/dm2, constant current oxidation 45min, 1min then is cleaned with 60 DEG C of hot water, the beryllium alumin(i)um alloy after hot water is cleaned immerses dye
10 minutes in color groove, dyestuff is black dyes in staining trough, and 20min in the confining liquid for heated completion, temperature are put into after cleaning
For 80 DEG C, confining liquid includes nickel sulfate, sodium acetate and lauryl sodium sulfate and obtains the aluminizing conjunction with black anodized layer
Gold.
Obtained beryllium alumin(i)um alloy superficial film uniformly continuous, the phenomenon of no local non-film forming, without coming off, without local hair powder,
Phenomena such as colour fading, color is uniform and stable, irradiates and tests through ultraviolet, and sun-proof degree is up to 7-8 levels, 8 μm of oxide thickness, through nitric acid
After preimpregnation, soaked for a long time in phosphorus-chromic acid solution, without obvious corrosion phenomenon.
Embodiment 2
The beryllium alumin(i)um alloy precursor that need to be handled is immersed in alkali wash water and cleaned, alkali wash water includes 30g/L sodium carbonate, 20g/L
Sodium phosphate and 30g/L sodium hydroxides, temperature are 70 DEG C, and the time of cleaning is 20 seconds, is then cleaned with deionized water, immersed afterwards
In the mixed acid solution of sulfuric acid containing 100g/L and 50g/L chromic anhydrides, the time is 10 seconds, is then cleaned with deionized water, immersed afterwards
Corroded 5 seconds in acid attack liquid, acid attack liquid is the mixed acid of 40wt% nitric acid and 10ml/L hydrofluoric acid, then with normal temperature go from
Sub- water cleaning, immerses in anodizing tank afterwards, and electrolyte includes chromic anhydride, boric acid and citric acid, regulation electricity in anodizing tank
Flow to 2.5A/dm2, constant current oxidation 60min, 2min then is cleaned with 60 DEG C of hot water, the beryllium alumin(i)um alloy after hot water is cleaned immerses
10 minutes in staining trough, dyestuff is black dyes in staining trough, and 20min in the confining liquid for heated completion is put into after cleaning, temperature
Spend for 80 DEG C, confining liquid includes nickel sulfate, sodium acetate and lauryl sodium sulfate and obtains the aluminizing with black anodized layer
Alloy.
Obtained beryllium alumin(i)um alloy superficial film uniformly continuous, the phenomenon of no local non-film forming, without coming off, without local hair powder,
Phenomena such as colour fading, color is uniform and stable, irradiates and tests through ultraviolet, and sun-proof degree is up to 7-8 levels, 12 μm of oxide thickness, through nitre
After acid preimpregnation, soaked for a long time in phosphorus-chromic acid solution, without obvious corrosion phenomenon.
The embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis
Various other corresponding changes and deformation made by the technical concept of the present invention, should be included in the guarantor of the claims in the present invention
In the range of shield.
Claims (10)
1. a kind of beryllium alumin(i)um alloy, it is characterised in that the beryllium alumin(i)um alloy includes beryllium alumin(i)um alloy matrix and positioned at beryllium alumin(i)um alloy matrix
The coloured anode oxide film on surface.
2. beryllium alumin(i)um alloy according to claim 1, it is characterised in that the coloured anode oxide film is black anodizing
Film.
3. beryllium alumin(i)um alloy according to claim 1, it is characterised in that the thickness of the coloured anode oxide film is 5 μm -15
μm。
4. the preparation method of a kind of beryllium alumin(i)um alloy as described in claim 1-3 any one, it is characterised in that step includes：
By the beryllium alumin(i)um alloy precursor that need to be handled through S1, alkali cleaning；S2, pickling；S3, acid attack；S4, anodic oxidation；S5, hot water wash；S6, dye
Color；S7, close to obtain the beryllium alumin(i)um alloy.
5. preparation method according to claim 4, it is characterised in that also include closing the aluminizing that need to be handled before step S1
Golden precursor dress is hung, and utensil used in dress extension is aluminium alloy device.
6. preparation method according to claim 4, it is characterised in that acid used in pickling is sulfuric acid and chromic anhydride in step S2
Mixed acid, the mass ratio of the sulfuric acid and chromic anhydride is 2:1；
Acid attack liquid used in acid attack is the mixed acid of nitric acid and hydrofluoric acid in step S3；The concentration of the nitric acid is 35wt%-
40wt%, the concentration of the hydrofluoric acid is 10ml/L.
7. preparation method according to claim 4, it is characterised in that dyestuff used in dyeing is black dyes in step S6.
8. preparation method according to claim 4, it is characterised in that confining liquid used in closing includes sulfuric acid in step S7
Nickel, sodium acetate and lauryl sodium sulfate.
9. preparation method according to claim 4, it is characterised in that step S1 alkali cleaning includes closing the aluminizing that need to be handled
Golden precursor, which is immersed in alkali wash water, to be cleaned, and the time of cleaning is the 10-20 seconds, and temperature is 60-70 DEG C；It is preferred that alkali cleaning institute in step S1
Include sodium carbonate, sodium phosphate and sodium hydroxide with alkali wash water, the mass ratio of the sodium carbonate, sodium phosphate and sodium hydroxide is 3:2:
3；
To be cleaned it is preferred that step S2 pickling includes immersing beryllium alumin(i)um alloy obtained by step S1 in acid, the time of cleaning is the 5-8 seconds,
Temperature is 22-27 DEG C；
It is preferred that step S3 acid attack includes immersing beryllium alumin(i)um alloy obtained by step S2 in acid attack liquid, the time of immersion is 3-5
Second, 22-27 DEG C of temperature；
It is preferred that step S4 anodic oxidation includes beryllium alumin(i)um alloy obtained by step S3 carrying out anodic oxidation, the time of anodic oxidation
For 45-60 minutes, 25-30 DEG C of temperature；It is preferred that electrolyte used in step S4 Anodic Oxidations includes chromic anhydride, boric acid and citric acid；
The current density of the anodic oxidation is 2.0-2.5A/dm2；
It is preferred that step S5 hot water wash includes cleaning beryllium alumin(i)um alloy obtained by step S4 with hot water, the time of cleaning is 1-2 points
Clock, the temperature of hot water is 60 DEG C；
It is preferred that step S6 dyeing includes immersing beryllium alumin(i)um alloy obtained by step S5 in dyestuff, the time of immersion is 10-15 points
Clock, temperature are 25-30 DEG C；
It is preferred that step S7 closing includes immersing beryllium alumin(i)um alloy obtained by step S6 in confining liquid, the time of immersion is 20-25 points
Clock, temperature are 70-80 DEG C.
10. preparation method according to claim 4, it is characterised in that also include drying after step S7.
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| CN107740084A (en) * | 2017-09-30 | 2018-02-27 | 中国科学院长春光学精密机械与物理研究所 | A kind of beryllium alumin(i)um alloy and preparation method thereof |
| CN108642543A (en) * | 2018-05-30 | 2018-10-12 | 江苏和兴汽车科技有限公司 | A kind of preparation process of aluminium alloy high temperature resistant anodic oxide coating |
| CN109023471A (en) * | 2018-10-09 | 2018-12-18 | 长春工业大学 | A kind of aluminium alloy and preparation method thereof |
| CN109097806A (en) * | 2018-10-09 | 2018-12-28 | 长春工业大学 | A kind of aluminium alloy and preparation method thereof |
| CN110016705A (en) * | 2019-04-23 | 2019-07-16 | 绍兴市上虞嘉利盛助剂工业有限公司 | Dye liquor and black dye composition and colouring method for anodised aluminium dyeing |
| CN110923777A (en) * | 2019-09-10 | 2020-03-27 | 西北稀有金属材料研究院宁夏有限公司 | Method for conducting oxidation on surface of beryllium-aluminum alloy |
| CN113046808A (en) * | 2021-03-10 | 2021-06-29 | 江西凤凰光学科技有限公司 | Electrolytic coloring method for optical metal structural member |
| CN114808079A (en) * | 2022-05-22 | 2022-07-29 | 王海建 | Surface treatment process for aluminum material |
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| CN107740084A (en) * | 2017-09-30 | 2018-02-27 | 中国科学院长春光学精密机械与物理研究所 | A kind of beryllium alumin(i)um alloy and preparation method thereof |
| CN108642543A (en) * | 2018-05-30 | 2018-10-12 | 江苏和兴汽车科技有限公司 | A kind of preparation process of aluminium alloy high temperature resistant anodic oxide coating |
| CN108642543B (en) * | 2018-05-30 | 2020-06-05 | 江苏和兴汽车科技有限公司 | Preparation process of high-temperature-resistant anodic oxide layer of aluminum alloy |
| CN109097806A (en) * | 2018-10-09 | 2018-12-28 | 长春工业大学 | A kind of aluminium alloy and preparation method thereof |
| CN109023471A (en) * | 2018-10-09 | 2018-12-18 | 长春工业大学 | A kind of aluminium alloy and preparation method thereof |
| CN110016705A (en) * | 2019-04-23 | 2019-07-16 | 绍兴市上虞嘉利盛助剂工业有限公司 | Dye liquor and black dye composition and colouring method for anodised aluminium dyeing |
| CN110016705B (en) * | 2019-04-23 | 2021-03-05 | 绍兴市上虞嘉利盛助剂工业有限公司 | Dye liquor for dyeing anodic aluminum oxide, black dye composition and dyeing method |
| CN110923777A (en) * | 2019-09-10 | 2020-03-27 | 西北稀有金属材料研究院宁夏有限公司 | Method for conducting oxidation on surface of beryllium-aluminum alloy |
| CN113046808A (en) * | 2021-03-10 | 2021-06-29 | 江西凤凰光学科技有限公司 | Electrolytic coloring method for optical metal structural member |
| CN113046808B (en) * | 2021-03-10 | 2022-04-22 | 江西凤凰光学科技有限公司 | Electrolytic coloring method for optical metal structural member |
| CN114808079A (en) * | 2022-05-22 | 2022-07-29 | 王海建 | Surface treatment process for aluminum material |
| CN114892170A (en) * | 2022-05-22 | 2022-08-12 | 王海建 | Metal coating material |
| CN114808079B (en) * | 2022-05-22 | 2023-09-29 | 山西钰沙新材料科技有限公司 | Surface treatment process of aluminum material |
| CN114892170B (en) * | 2022-05-22 | 2023-10-24 | 江苏鑫氟天科技有限公司 | Metal coating material |
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