CN108048831A - A kind of method that aluminium alloy blacks - Google Patents
A kind of method that aluminium alloy blacks Download PDFInfo
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- CN108048831A CN108048831A CN201711335462.9A CN201711335462A CN108048831A CN 108048831 A CN108048831 A CN 108048831A CN 201711335462 A CN201711335462 A CN 201711335462A CN 108048831 A CN108048831 A CN 108048831A
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- aluminium alloy
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
- C23C22/66—Treatment of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
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- Chemical Kinetics & Catalysis (AREA)
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The present invention discloses a kind of method that aluminium alloy blacks, including following operating procedure：（1）After aluminum alloy surface is used decontamination oil removal treatment, it is then placed in activating solution, 15 20min of immersion treatment；（2）It will say step（1）The aluminium alloy of processing is put into hair blackening liquid, after 10 15min of blackening process, finished product.The method that a kind of aluminium alloy provided by the invention blacks, it is easy to operate, it is of low cost, after being impregnated using chemical solution, you can uniform, fine and close black film is made in aluminum alloy surface, and black film is fine and close, bond strength is high, wear-resisting property is excellent, greatly improves the quality of aluminium alloy.
Description
Technical field
The invention belongs to technical field of aluminium alloy preparation, and in particular to a kind of method that aluminium alloy blacks.
Background technology
In alloy product application, black is a kind of important common tone.It can not only make the surface of generous elegance
Decoration color or aluminium alloy prepare essential color when heat-absorbing material, optical material and parts.Aluminium alloy, which black, to be had
The larger market demand.Aluminium alloy black mostly using traditional electrolytic coloring and hard anodizing colouring, power consumption at present
Amount is big, needs special equipment and clamping apparatus, is not suitable for microminiature workpiece and complicated workpiece.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of methods that aluminium alloy blacks.
The present invention is achieved by the following technical solutions.
A kind of method that aluminium alloy blacks, including following operating procedure：
（1）After aluminum alloy surface is used decontamination oil removal treatment, it is then placed in activating solution, immersion treatment 15-20min, wherein
Activating solution is made of the component of following parts by weight：10-15 parts of 1,2- 1,2-diaminocyclohexane tetraacetic acids, 4-9 parts of sodium phytate, undecenoic acid 1-
2 parts, 5-8 parts of methylpropene sodium sulfonate, 250-300 parts of water；
（2）It will say step（1）The aluminium alloy of processing is put into hair blackening liquid, after blackening process 10-15min, finished product, wherein
Hair blackening liquid is made of the component of following parts by weight：4-9 parts of sodium hexafluoro phosphate, 6-9 parts of ammonium borate, 15-20 parts of sodium hydroxide, trifluoro
Change 7-10 parts of cobalt, 180-220 parts of water.
Specifically, above-mentioned steps（1）In activating solution temperature be 55-60 DEG C.
Specifically, above-mentioned steps（2）In, the temperature of activating solution is 65-70 DEG C.
Specifically, above-mentioned steps（2）In, the purity of above-mentioned cobalt trifluoride is 99%.
From the above technical scheme, it can be seen that the beneficial effects of the invention are as follows：
The method that a kind of aluminium alloy provided by the invention blacks, it is easy to operate, it is of low cost, after being impregnated using chemical solution, i.e.,
Uniform, fine and close black film can be made in aluminum alloy surface, and black film is fine and close, bond strength is high, and wear-resisting property is excellent, pole
The earth improves the quality of aluminium alloy.
Specific embodiment
Following embodiment is used for illustrating the present invention, but cannot be used for limiting the scope of the invention, the reality used in embodiment
The condition of applying can be for further adjustments according to the condition of producer, and unaccounted implementation condition is usually conventional laboratory conditions.
Embodiment 1
A kind of method that aluminium alloy blacks, including following operating procedure：
（1）After aluminum alloy surface is used decontamination oil removal treatment, it is then placed in activating solution, immersion treatment 15min, wherein activating
Liquid is made of the component of following parts by weight：10 parts of 1,2- 1,2-diaminocyclohexane tetraacetic acids, 4 parts of sodium phytate, 1 part of undecenoic acid, methyl-prop
5 parts of alkene sodium sulfonate, 250 parts of water；
（2）It will say step（1）The aluminium alloy of processing is put into hair blackening liquid, after blackening process 10min, finished product, wherein sending out
Black liquor is made of the component of following parts by weight：4 parts of sodium hexafluoro phosphate, 6 parts of ammonium borate, 15 parts of sodium hydroxide, 7 parts of cobalt trifluoride,
180 parts of water.
Specifically, above-mentioned steps（1）In activating solution temperature be 55 DEG C.
Specifically, above-mentioned steps（2）In, the temperature of activating solution is 65 DEG C.
Specifically, above-mentioned steps（2）In, the purity of above-mentioned cobalt trifluoride is 99%.
Embodiment 2
A kind of method that aluminium alloy blacks, including following operating procedure：
（1）After aluminum alloy surface is used decontamination oil removal treatment, it is then placed in activating solution, immersion treatment 18min, wherein activating
Liquid is made of the component of following parts by weight：13 parts of 1,2- 1,2-diaminocyclohexane tetraacetic acids, 7 parts of sodium phytate, 1 part of undecenoic acid, methyl-prop
7 parts of alkene sodium sulfonate, 280 parts of water；
（2）It will say step（1）The aluminium alloy of processing is put into hair blackening liquid, after blackening process 13min, finished product, wherein sending out
Black liquor is made of the component of following parts by weight：7 parts of sodium hexafluoro phosphate, 8 parts of ammonium borate, 18 parts of sodium hydroxide, 8 parts of cobalt trifluoride,
200 parts of water.
Specifically, above-mentioned steps（1）In activating solution temperature be 58 DEG C.
Specifically, above-mentioned steps（2）In, the temperature of activating solution is 68 DEG C.
Specifically, above-mentioned steps（2）In, the purity of above-mentioned cobalt trifluoride is 99%.
Embodiment 3
A kind of method that aluminium alloy blacks, including following operating procedure：
（1）After aluminum alloy surface is used decontamination oil removal treatment, it is then placed in activating solution, immersion treatment 20min, wherein activating
Liquid is made of the component of following parts by weight：15 parts of 1,2- 1,2-diaminocyclohexane tetraacetic acids, 9 parts of sodium phytate, 2 parts of undecenoic acid, methyl-prop
8 parts of alkene sodium sulfonate, 300 parts of water；
（2）It will say step（1）The aluminium alloy of processing is put into hair blackening liquid, after blackening process 15min, finished product, wherein sending out
Black liquor is made of the component of following parts by weight：9 parts of sodium hexafluoro phosphate, 9 parts of ammonium borate, 20 parts of sodium hydroxide, 10 parts of cobalt trifluoride,
220 parts of water.
Specifically, above-mentioned steps（1）In activating solution temperature be 60 DEG C.
Specifically, above-mentioned steps（2）In, the temperature of activating solution is 70 DEG C.
Specifically, above-mentioned steps（2）In, the purity of above-mentioned cobalt trifluoride is 99%.
Certainly, it is limitation of the present invention that above description, which is not, and the present invention is also not limited to the example above, the art
Those of ordinary skill, the present invention essential scope in, variation, change, addition or the replacement made, should all belong to the present invention
Protection domain.
Claims (4)
1. a kind of method that aluminium alloy blacks, which is characterized in that including following operating procedure：
（1）After aluminum alloy surface is used decontamination oil removal treatment, it is then placed in activating solution, immersion treatment 15-20min, wherein
Activating solution is made of the component of following parts by weight：10-15 parts of 1,2- 1,2-diaminocyclohexane tetraacetic acids, 4-9 parts of sodium phytate, undecenoic acid 1-
2 parts, 5-8 parts of methylpropene sodium sulfonate, 250-300 parts of water；
（2）It will say step（1）The aluminium alloy of processing is put into hair blackening liquid, after blackening process 10-15min, finished product, wherein
Hair blackening liquid is made of the component of following parts by weight：4-9 parts of sodium hexafluoro phosphate, 6-9 parts of ammonium borate, 15-20 parts of sodium hydroxide, trifluoro
Change 7-10 parts of cobalt, 180-220 parts of water.
2. the method that a kind of aluminium alloy according to claim 1 blacks, which is characterized in that above-mentioned steps（1）In activation
The temperature of liquid is 55-60 DEG C.
3. the method that a kind of aluminium alloy according to claim 1 blacks, which is characterized in that above-mentioned steps（2）In, activating solution
Temperature be 65-70 DEG C.
4. the method that a kind of aluminium alloy according to claim 1 blacks, which is characterized in that above-mentioned steps（2）In, above-mentioned three
The purity of cobaltous fluoride is 99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711335462.9A CN108048831A (en) | 2017-12-14 | 2017-12-14 | A kind of method that aluminium alloy blacks |
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| CN201711335462.9A CN108048831A (en) | 2017-12-14 | 2017-12-14 | A kind of method that aluminium alloy blacks |
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| CN201711335462.9A Pending CN108048831A (en) | 2017-12-14 | 2017-12-14 | A kind of method that aluminium alloy blacks |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042383A (en) * | 2019-03-27 | 2019-07-23 | 祝亚琴 | High temperature aluminium blackening agent for surface |
| CN110042382A (en) * | 2019-03-27 | 2019-07-23 | 祝亚琴 | Room temperature aluminium blackening agent for surface |
| CN116240533A (en) * | 2022-12-30 | 2023-06-09 | 廊坊中电熊猫晶体科技有限公司 | Chemical blackening method for replacing anode blackening with aluminum material |
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| CN106086873A (en) * | 2013-06-28 | 2016-11-09 | 丹阳宏图激光科技有限公司 | A kind of laser melting and coating process of the aluminum alloy surface improving hardness, abrasion and corrosion resistance |
| CN106756969A (en) * | 2017-01-23 | 2017-05-31 | 江苏理工学院 | A kind of cobalt salt black chemical oxidation liquid and its application for aluminium and aluminium alloy |
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| CN101748396A (en) * | 2008-12-02 | 2010-06-23 | 中国科学院兰州化学物理研究所 | Preparation method of magnesium alloy rare-earth conversion coatings for ethylene glycol cooling system |
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| CN110042383A (en) * | 2019-03-27 | 2019-07-23 | 祝亚琴 | High temperature aluminium blackening agent for surface |
| CN110042382A (en) * | 2019-03-27 | 2019-07-23 | 祝亚琴 | Room temperature aluminium blackening agent for surface |
| CN116240533A (en) * | 2022-12-30 | 2023-06-09 | 廊坊中电熊猫晶体科技有限公司 | Chemical blackening method for replacing anode blackening with aluminum material |
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Application publication date: 20180518 |