CN107313099A - Magnesium alloy oxidation chromophoric method and products thereof - Google Patents
Magnesium alloy oxidation chromophoric method and products thereof Download PDFInfo
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- CN107313099A CN107313099A CN201610261036.4A CN201610261036A CN107313099A CN 107313099 A CN107313099 A CN 107313099A CN 201610261036 A CN201610261036 A CN 201610261036A CN 107313099 A CN107313099 A CN 107313099A
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- magnesium alloy
- aoxidizes
- subjected
- chromophoric method
- chromophoric
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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
- C25D11/30—Anodisation of magnesium or alloys based thereon
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- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention discloses a kind of magnesium alloy oxidation chromophoric method and products thereof.This method includes：(1) magnesium alloy is subjected to ungrease treatment；(2) magnesium alloy after ungrease treatment is subjected to pickling processes；(3) the magnesium alloy carry out table after pickling processes is mediated into reason；(4) table is mediated to the magnesium alloy after reason and carries out baking processing；(5) magnesium alloy after baking is handled carries out feeding；(6) magnesium alloy after feeding is subjected to electrolytic coloring processing；(7) magnesium alloy after electrolytic coloring is subjected to baking processing again.The product is the product that this method is produced.The present invention is combined with chemical conversion pre-treatment, operating procedure is easy, work well, it compensate for Mg alloy surface processing color unicity vacancy and larger to material surface quality requirements scope, coloring sample surface outward appearance greatly improves corrosion stability of magnesium alloy and wearability, colouring process is relatively environment-friendly, and oxidation reaction process will not also generate a large amount of harmful substances, is adapted to factory and quantifies production.
Description
【Technical field】
The present invention relates to one kind oxidation chromophoric method and products thereof, and in particular to a kind of magnesium alloy aoxidizes color development side
Method and products thereof.
【Background technology】
Magnesium and magnesium alloy have density small, and specific strength is high, and chip good processability electromagnetic shielding is excellent, extensively
Applied to communications and transportation, Aero-Space, 3C fields.But because its chemical property is active, electrode potential is very low
Easily corrosion makes to apply and is restricted.Magnesium and magnesium alloy surface treatment can not only improve corrosion resistance of surface,
Wearability and appearance can be improved, increased the service life, expand application.
Domestic South China Science ＆ Engineering University is once colouring agent using potassium permanganate, and yellow ceramics are made in Mg alloy surface
Film layer.Chang An University makes green ceramic film using high chromic acid content potassium；Lanzhou University is made dark brown using copper sulphate
Color ceramic film, also makes black film using cobaltous sulfate；Research and development are most of to be confined in institution of higher education,
It could not enter scale industrial production, and coloring medicament selected by coloring treatment and produce sewage discharge to people
Body and environment have certain injury and polluted, and are not suitable for industrialized production.But this magnesium alloy surface treatment
With wide application prospect, it has also become one of focus of international material scientific research.
However, because current Mg alloy surface processing tone is single, it is limited to a certain extent fast-developing
Using.
In view of this, it is necessary to provide a kind of magnesium alloy oxidation chromophoric method and products thereof in fact, it is above-mentioned to solve
Problem.
【The content of the invention】
In view of the foregoing, it is an object to a kind of magnesium alloy oxidation chromophoric method and products thereof is provided,
Solve the problem of current Mg alloy surface processing tone is single.
In order to achieve the above object, the present invention provides a kind of magnesium alloy oxidation chromophoric method, and it includes following step
Suddenly：
(1) magnesium alloy is subjected to ungrease treatment；
(2) magnesium alloy after ungrease treatment is subjected to pickling processes；
(3) the magnesium alloy carry out table after pickling processes is mediated into reason；
(4) table is mediated to the magnesium alloy after reason and carries out baking processing；
(5) magnesium alloy after baking is handled carries out feeding；
(6) magnesium alloy after feeding is subjected to electrolytic coloring processing；
(7) magnesium alloy after electrolytic coloring is subjected to baking processing again.
Optionally, all washed after the step (1), (2), (3), (6).
Optionally, the degreasing agent in the step (1) is 20~80g/L of concentration M-121 solution, degreasing
Temperature is 65~75 DEG C, and degreasing time is 240~300 seconds.
Optionally, the mordant in the step (2) is 20~80ml/L of concentration M-223 solution, acid
It is 50~60 DEG C to wash temperature, and pickling time is 30~180 seconds.
Optionally, the Mat-031 solution that it is 550~950ml/L of concentration that the table in the step (3), which is adjusted,
Table temperature regulating is 80~90 DEG C, and pickling time is 180~300 seconds.
Optionally, the baking temperature in the step (4) is 30~100 DEG C, and the time is 10~120 minutes.
Optionally, the power-supply device of electrolytic coloring uses the dipulse hand way of output in the step (6),
Forward current density：0.8-2.0A/dm2, negative current density：0.1-1.0A/dm2, positive frequencies：
300-550hz, positive and negative frequency ratio：1-5, positive dutycycle：20-35%, negative duty：10-35%, oxidation week
Phase：5-15min.
Optionally, electrolytic coloring formula of liquid is as follows in the step (6)：Sodium metasilicate：5-35g/l；Hydrogen-oxygen
Change sodium：2-25g/l；Potassium fluoride：5-25g/l；Additive：5-30g/l；The pH value of the solution be 9.0~
13.0, electrolytic coloring temperature：20~40 DEG C.
Optionally, the additive include complexing agent, colouring agent at least one；The complexing agent：0.5
- 25g/l；The colouring agent：0.5-25g/l.
Optionally, the complexing agent be EDTA.2Na, ammoniacal liquor, sodium potassium tartrate tetrahydrate at least one, it is described
Colouring agent be copper sulphate, organic ammonium salt at least one.
Optionally, the baking temperature in the step (7) is 80~95 DEG C, and the time is 10~30 minutes.
The present invention also discloses a kind of product, and the product is to aoxidize the production that chromophoric method is produced using the magnesium alloy
Product.
Compared to prior art, chromophoric method and products thereof is aoxidized using the magnesium alloy of the present invention.The present invention with
Chemical conversion pre-treatment is combined, and operating procedure is easy, works well, and compensate for Mg alloy surface processing color list
One property vacancy and larger to material surface quality requirements scope, coloring sample surface outward appearance greatly improves magnesium alloy
Corrosion resistance and wearability, colouring process are relatively environment-friendly, and oxidation reaction process will not also generate a large amount of harmful
Material, is adapted to factory and quantifies production.
【Brief description of the drawings】
Fig. 1 illustrates magnesium alloy oxidation chromophoric method flow chart of the present invention.
Fig. 2-Fig. 6 illustrates five kinds of surface color pictures that magnesium alloy of the present invention aoxidizes hair color product respectively.
【Embodiment】
Referring to Fig. 1, Fig. 1 illustrates magnesium alloy oxidation chromophoric method flow chart of the present invention.
To have further understanding to the purpose of the present invention, method and step and function, referring to Fig. 1, simultaneously detailed
It is described as follows：
In order to achieve the above object, the present invention provides a kind of magnesium alloy oxidation chromophoric method, and it includes following step
Suddenly：
Step 101：Magnesium alloy is subjected to ungrease treatment；
Step 102：Magnesium alloy after ungrease treatment is subjected to pickling processes；
Step 103：Magnesium alloy carry out table after pickling processes is mediated into reason；
Step 104：Table is mediated to the magnesium alloy after reason and carries out baking processing；
Step 105：Magnesium alloy after baking is handled carries out feeding；
Step 106：Magnesium alloy after feeding is subjected to electrolytic coloring processing；
Step 107：Magnesium alloy after electrolytic coloring is subjected to baking processing again.
Wherein, all washed after the step 101,102,103,106.
Wherein, the degreasing agent in the step 101 is 20~80g/L of concentration M-121 solution, degreasing temperature
Spend for 65~75 DEG C, degreasing time is 240~300 seconds.
Wherein, the mordant in the step 102 is 20~80ml/L of concentration M-223 solution, pickling temperature
Spend for 50~60 DEG C, pickling time is 30~180 seconds.
Wherein, the table in the step 103 is adjusted as 550~950ml/L of concentration Mat-031 solution, table
Temperature regulating is 80~90 DEG C, and pickling time is 180~300 seconds.
Wherein, the baking temperature in the step 104 is 30~100 DEG C, and the time is 10~120 minutes.
Wherein, the power-supply device of electrolytic coloring is (permanent using the dipulse hand way of output in the step 106
Stream mode), forward current density：0.8-2.0A/dm2, negative current density：0.1-1.0A/dm2, it is positive
Frequency：300-550hz, positive and negative frequency ratio：1-5, positive dutycycle：20-35%, negative duty：10-35%,
Oxidation cycle：5-15min.
Wherein, electrolytic coloring formula of liquid is as follows in the step 106：Sodium metasilicate：5-35g/l；Sodium hydroxide：
2-25g/l；Potassium fluoride：5-25g/l；Additive：5-30g/l；The pH value of the solution is 9.0~13.0,
Electrolytic coloring temperature：20~40 DEG C.
Wherein, the additive include complexing agent, colouring agent at least one；The complexing agent：0.5-
25g/l；The colouring agent：0.5-25g/l.
Wherein, the complexing agent be EDTA.2Na, ammoniacal liquor, sodium potassium tartrate tetrahydrate at least one, it is described
Toner be copper sulphate, organic ammonium salt at least one.
Wherein, the baking temperature in the step 107 is 80~95 DEG C, and the time is 10~30 minutes.
The present invention also discloses a kind of product, and the product is to aoxidize the production that chromophoric method is produced using the magnesium alloy
Product.
Please in conjunction with refering to Fig. 2-Fig. 6, Fig. 2-Fig. 6 illustrates magnesium alloy oxidation hair color product of the present invention respectively
Five kinds of surface color pictures (addition concentration is different, and the product appearance color of preparation is different).It can be seen that, pass through
This case magnesium alloy oxidation chromophoric method can produce the product of multiple color.Because Figure of description can only be provided
Picture in black and white picture, therefore Fig. 2-Fig. 6 is the picture after GTG processing.
Hereinafter the TL226 correlated performance test results that hair color product passes through are aoxidized for magnesium alloy：
Compared to prior art, chromophoric method and products thereof is aoxidized using the magnesium alloy of the present invention.The present invention with
Chemical conversion pre-treatment is combined, and operating procedure is easy, works well, and compensate for Mg alloy surface processing color list
One property vacancy and larger to material surface quality requirements scope, coloring sample surface outward appearance greatly improves magnesium alloy
Corrosion resistance and wearability, colouring process are relatively environment-friendly, and oxidation reaction process will not also generate a large amount of harmful
Material, is adapted to factory and quantifies production.
It is noted that the invention is not restricted to above-mentioned embodiment, any those skilled in the art's base
Any simple modification, equivalent variations and the modification made in technical solution of the present invention to above-described embodiment, all fall
Enter in protection scope of the present invention.
Claims (12)
1. a kind of magnesium alloy aoxidizes chromophoric method, it is characterised in that it comprises the following steps：
(1) magnesium alloy is subjected to ungrease treatment；
(2) magnesium alloy after ungrease treatment is subjected to pickling processes；
(3) the magnesium alloy carry out table after pickling processes is mediated into reason；
(4) table is mediated to the magnesium alloy after reason and carries out baking processing；
(5) magnesium alloy after baking is handled carries out feeding；
(6) magnesium alloy after feeding is subjected to electrolytic coloring processing；
(7) magnesium alloy after electrolytic coloring is subjected to baking processing again.
2. magnesium alloy as claimed in claim 1 aoxidizes chromophoric method, it is characterised in that the step (1),
(2), all washed after (3), (6).
3. magnesium alloy as claimed in claim 1 aoxidizes chromophoric method, it is characterised in that the step (1)
In degreasing agent be 20~80g/L of concentration M-121 solution, skimming temp be 65~75 DEG C, degreasing time
For 240~300 seconds.
4. magnesium alloy as claimed in claim 1 aoxidizes chromophoric method, it is characterised in that the step (2)
In mordant be 20~80ml/L of concentration M-223 solution, pickling temperature be 50~60 DEG C, pickling time
For 30~180 seconds.
5. magnesium alloy as claimed in claim 1 aoxidizes chromophoric method, it is characterised in that the step (3)
In table adjust for 550~950ml/L of concentration Mat-031 solution, table temperature regulating be 80~90 DEG C, pickling
Time is 180~300 seconds.
6. magnesium alloy as claimed in claim 1 aoxidizes chromophoric method, it is characterised in that the step (4)
In baking temperature be 30~100 DEG C, the time be 10~120 minutes.
7. magnesium alloy as claimed in claim 1 aoxidizes chromophoric method, it is characterised in that the step (6)
The power-supply device of middle electrolytic coloring uses the dipulse hand way of output, forward current density：
0.8-2.0A/dm2, negative current density：0.1-1.0A/dm2, positive frequencies：300-550hz, positive and negative frequency
Than：1-5, positive dutycycle：20-35%, negative duty：10-35%, oxidation cycle：5-15min.
8. magnesium alloy as claimed in claim 1 aoxidizes chromophoric method, it is characterised in that the step (6)
Middle electrolytic coloring formula of liquid is as follows：Sodium metasilicate：5-35g/l；Sodium hydroxide：2-25g/l；Potassium fluoride：5-
25g/l；Additive：5-30g/l；The pH value of the solution is 9.0~13.0, electrolytic coloring temperature：20~
40℃。
9. magnesium alloy as claimed in claim 8 aoxidizes chromophoric method, it is characterised in that the additive bag
Include complexing agent, colouring agent at least one；The complexing agent：0.5-25g/l；The colouring agent：
0.5-25g/l。
10. magnesium alloy as claimed in claim 9 aoxidizes chromophoric method, it is characterised in that the complexing agent
Be EDTA.2Na, ammoniacal liquor, sodium potassium tartrate tetrahydrate at least one, the colouring agent is copper sulphate, organic ammonium
Salt at least one.
11. magnesium alloy as claimed in claim 1 aoxidizes chromophoric method, it is characterised in that the step (7)
In baking temperature be 80~95 DEG C, the time be 10~30 minutes.
12. a kind of product, it is characterised in that the product is using any one of claim 1-11
The product that magnesium alloy oxidation chromophoric method is produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610261036.4A CN107313099A (en) | 2016-04-26 | 2016-04-26 | Magnesium alloy oxidation chromophoric method and products thereof |
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|---|---|---|---|
| CN201610261036.4A CN107313099A (en) | 2016-04-26 | 2016-04-26 | Magnesium alloy oxidation chromophoric method and products thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295488A (en) * | 2018-09-29 | 2019-02-01 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of magnetic coupling membrane of oxide ceramics and preparation method with self-styled pore structure |
| CN110004454A (en) * | 2018-01-05 | 2019-07-12 | 重庆富迪科技有限公司 | A kind of surface treatment method of Mg alloy |
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| CN101302641A (en) * | 2008-06-23 | 2008-11-12 | 中国科学院长春应用化学研究所 | Method for preparing dark green ceramic membrane by magnesium alloy differential arc oxidation |
| CN101476146A (en) * | 2008-12-29 | 2009-07-08 | 中国科学院长春应用化学研究所 | Method for preparing black ceramic membrane by magnesium alloy differential arc oxidation |
| CN103911645A (en) * | 2014-04-15 | 2014-07-09 | 中国科学院嘉兴轻合金技术工程中心 | Magnesium alloy anode oxidation method |
| CN104404599A (en) * | 2014-11-11 | 2015-03-11 | 无锡鸿声铝业有限公司 | Method for coloring magnesium-aluminum alloy surface |
-
2016
- 2016-04-26 CN CN201610261036.4A patent/CN107313099A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302641A (en) * | 2008-06-23 | 2008-11-12 | 中国科学院长春应用化学研究所 | Method for preparing dark green ceramic membrane by magnesium alloy differential arc oxidation |
| CN101476146A (en) * | 2008-12-29 | 2009-07-08 | 中国科学院长春应用化学研究所 | Method for preparing black ceramic membrane by magnesium alloy differential arc oxidation |
| CN103911645A (en) * | 2014-04-15 | 2014-07-09 | 中国科学院嘉兴轻合金技术工程中心 | Magnesium alloy anode oxidation method |
| CN104404599A (en) * | 2014-11-11 | 2015-03-11 | 无锡鸿声铝业有限公司 | Method for coloring magnesium-aluminum alloy surface |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004454A (en) * | 2018-01-05 | 2019-07-12 | 重庆富迪科技有限公司 | A kind of surface treatment method of Mg alloy |
| CN109295488A (en) * | 2018-09-29 | 2019-02-01 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of magnetic coupling membrane of oxide ceramics and preparation method with self-styled pore structure |
| CN109295488B (en) * | 2018-09-29 | 2020-08-11 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Magnetic composite oxide ceramic membrane with self-sealing hole structure and preparation method thereof |
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Application publication date: 20171103 |
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