CN107779942A - Mg alloy surface electrochemical polish liquid and its processing method - Google Patents
Mg alloy surface electrochemical polish liquid and its processing method Download PDFInfo
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- CN107779942A CN107779942A CN201610768581.2A CN201610768581A CN107779942A CN 107779942 A CN107779942 A CN 107779942A CN 201610768581 A CN201610768581 A CN 201610768581A CN 107779942 A CN107779942 A CN 107779942A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/18—Polishing of light metals
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
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- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention discloses a kind of Mg alloy surface electrochemical polish liquid and its processing method, this method comprise the following steps：（1）Magnesium alloy is put into degreasing agent and carries out ungrease treatment；（2）Magnesium alloy after ungrease treatment is put into pickle and carries out pickling processes；（3）Magnesium alloy after pickling processes is put into table adjusts carry out table in liquid to mediate reason；（4）The magnesium alloy that table is mediated after managing is put into electrochemical polish liquid and carries out electric throwing processing；（5）Magnesium alloy after electric throwing is handled is put into table and adjusts carry out table in liquid to mediate reason；（6）Table is mediated to the magnesium alloy after reason to be toasted.Have the following advantages：Electricity throws processing time is short, and energy consumption is low；Magnesium alloy after polishing has higher glossiness；The electrochemical polish liquid is applied widely；Different polishing times can obtain the magnesium-alloy material of various luster degree and gloss can be kept for a long time；The wastewater treatment of the electrochemical polish liquid is simple, and may be reused after filtration treatment.
Description
【Technical field】
The present invention relates to a kind of magnesium alloy surface treatment process, and in particular to a kind of Mg alloy surface electrochemical polish liquid and
Its processing method.
【Background technology】
Magnesium is to contain abundant element on the earth, is the 8th big element on the earth, and raw material sources are extensive and recyclability is strong, from
Production will not cause too big pollution to discarded to ecology, meet environmental consciousness.The proportion of magnesium alloy be 1.7, be iron 23%,
The 25% of zinc, the 66% of the 20% of steel and aluminium alloy, magnesium alloy is a kind of most light engineering structure metal material, has density
Small, the features such as specific strength is high, good conductive capability and capability of electromagnetic shielding.Magnesium alloy is widely used to 3C industries at present,
To mitigate the weight of 3C Product.
During magnesium alloy manufacture processing, it usually needs obtain high gloss and the surface of magnesium its own metal gloss, but magnesium is presented
Generally there is oxide-film and impurity in alloy surface, therefore surface gloss is not high, so as to influence the overall appearance of magnesium alloy product, enter
And the application of magnesium-alloy material is influenceed, in addition, the surface of high glaze can not be obtained using common acid cleaning process.
In view of this, it is necessary to provide a kind of Mg alloy surface electrochemical polish liquid and its processing method in fact, with solution
State Mg alloy surface glossiness not high the problem of can not showing magnesium its own metal gloss.
【The content of the invention】
It is therefore an object of the present invention to a kind of Mg alloy surface electrochemical polish liquid and its processing method are provided, in solution
State Mg alloy surface glossiness not high the problem of can not showing magnesium its own metal gloss.
In order to achieve the above object, the present invention provides a kind of Mg alloy surface electrochemical polish liquid, including following composition：
Organic acid 2-50g/L；
Sodium citrate 2-30g/L；
Glucose or starch 2-30g/L.
Optionally, the organic acid is one or both of oxalic acid, citric acid, lactic acid, phytic acid and tartaric acid.
In order to achieve the above object, the present invention provides a kind of surface treatment method of Mg alloy, and it comprises the following steps：
(1) magnesium alloy is put into degreasing agent and carries out ungrease treatment；
(2) magnesium alloy after ungrease treatment is put into pickle and carries out pickling processes；
(3) magnesium alloy after pickling processes is put into table adjusts carry out table in liquid to mediate reason；
(4) magnesium alloy that table is mediated after managing is put into electrochemical polish liquid and carries out electric throwing processing；
(5) magnesium alloy after electric throwing is handled is put into table and adjusts carry out table in liquid to mediate reason；
(6) table is mediated to the magnesium alloy after reason to be toasted.
Optionally, all washed after the step (1), (2), (3), (5), ultrasound is carried out after the step (4)
Ripple is washed.
Optionally, the treatment temperature in the step (1) is 50-60 DEG C, and processing time is 1-3 minutes.
Optionally, the treatment temperature in the step (2) is 50-60 DEG C, and processing time is 1-3 minutes.
Optionally, the pickle in the step (2) includes following composition：Lactic acid 5-10g/L；Citric acid 10-15g/L.
Optionally, the treatment temperature in the step (3) or (5) is 80-90 DEG C, and processing time is 1-2 minutes.
Optionally, the table in the step (3) or (5) adjusts the sodium hydroxide solution that liquid is 8-12%.
Optionally, the processing time of the step (4) is 5-10 minutes, and the electrochemical polish liquid includes following composition：
Organic acid 2-50g/L；Sodium citrate 2-30g/L；Glucose or starch 2-30g/L.
Compared to prior art, Mg alloy surface electrochemical polish liquid of the invention and its processing method, have the following advantages：
(1) electricity throws processing time is short, and voltage is low, and electric current is low, and energy consumption is low；(2) magnesium alloy after electrochemical polish has higher light
Damp degree；(3) electrochemical polish liquid is applied to the processing of the trade mark magnesium alloys such as AZ91D, AZ31B, AM60B, MMA, applied widely；
(4) different polishing times can obtain the magnesium-alloy material of various luster degree and gloss can be kept for a long time；(5) electrochemistry is thrown
The wastewater treatment of light liquid is simple, and may be reused after filtration treatment.
【Brief description of the drawings】
Fig. 1 illustrates surface treatment method of Mg alloy flow chart of the present invention.
Fig. 2 illustrates the product schematic diagram after surface treatment method of Mg alloy processing of the present invention.
【Embodiment】
In order to achieve the above object, the present invention provides a kind of Mg alloy surface electrochemical polish liquid, including following composition：
Organic acid 2-50g/L；
Sodium citrate 2-30g/L；
Glucose or starch 2-30g/L.
Optionally, the organic acid is one or both of oxalic acid, citric acid, lactic acid, phytic acid and tartaric acid.
Referring to Fig. 1, Fig. 1 illustrates surface treatment method of Mg alloy flow chart of the present invention.
In order to achieve the above object, the present invention provides a kind of surface treatment method of Mg alloy, and it comprises the following steps：
Step 101：Magnesium alloy is put into degreasing agent and carries out ungrease treatment；
Step 102：Magnesium alloy after ungrease treatment is put into pickle and carries out pickling processes；
Step 103：Magnesium alloy after pickling processes is put into table adjusts carry out table in liquid to mediate reason；
Step 104：The magnesium alloy that table is mediated after managing is put into electrochemical polish liquid and carries out electric throwing processing；
Step 105：Magnesium alloy after electric throwing is handled is put into table and adjusts carry out table in liquid to mediate reason；
Step 106：Table is mediated to the magnesium alloy after reason to be toasted.
Wherein, all washed twice after the step 101,102,103,105, two are carried out after the step 104
Secondary ultrasonic wave water washing.
Wherein, the treatment temperature in the step 101 is 50-60 DEG C, preferably 55 DEG C；Processing time is 1-3 minutes, compared with
Good 2 minutes.
Wherein, the treatment temperature in the step 102 is 50-60 DEG C, preferably 55 DEG C；Processing time is 1-3 minutes, compared with
Good 2 minutes.
Wherein, the pickle in the step 102 includes following composition：Lactic acid 5-10g/L；Citric acid 10-15g/L.
Wherein, the treatment temperature in the step 103 or 105 is 80-90 DEG C, preferably 85 DEG C；Processing time is 1-2 points
Clock.
Wherein, the table in the step 103 or 105 adjusts the sodium hydroxide solution that liquid is 8-12%.
Wherein, the processing time of the step 104 is 5-10 minutes, and the electrochemical polish liquid includes following composition：Have
Machine acid 2-50g/L；Sodium citrate 2-30g/L；Glucose or starch 2-30g/L.
Please in conjunction with refering to Fig. 2, Fig. 2 illustrates the product schematic diagram after surface treatment method of Mg alloy processing of the present invention.
Compared to prior art, Mg alloy surface electrochemical polish liquid of the invention and its processing method, have the following advantages：
(1) electricity throws processing time is short, and voltage is low, and electric current is low, and energy consumption is low；(2) magnesium alloy after electrochemical polish has higher light
Damp degree；(3) electrochemical polish liquid is applied to the processing of the trade mark magnesium alloys such as AZ91D, AZ31B, AM60B, MMA, applied widely；
(4) different polishing times can obtain the magnesium-alloy material of various luster degree and gloss can be kept for a long time；(5) electrochemistry is thrown
The wastewater treatment of light liquid is simple, and may be reused after filtration treatment.
It is noted that the invention is not restricted to above-mentioned embodiment, any person skilled in the art is based on this hair
Any simple modification, equivalent change and modification that bright technical scheme is made to above-described embodiment, both fall within the protection model of the present invention
In enclosing.
Claims (10)
1. a kind of Mg alloy surface electrochemical polish liquid, it is characterised in that it includes following composition：
Organic acid 2-50g/L；
Sodium citrate 2-30g/L；
Glucose or starch 2-30g/L.
2. Mg alloy surface electrochemical polish liquid as claimed in claim 1, it is characterised in that the organic acid is oxalic acid, lemon
One or both of lemon acid, lactic acid, phytic acid and tartaric acid.
3. a kind of surface treatment method of Mg alloy, it is characterised in that it comprises the following steps：
(1) magnesium alloy is put into degreasing agent and carries out ungrease treatment；
(2) magnesium alloy after ungrease treatment is put into pickle and carries out pickling processes；
(3) magnesium alloy after pickling processes is put into table adjusts carry out table in liquid to mediate reason；
(4) magnesium alloy that table is mediated after managing is put into electrochemical polish liquid and carries out electric throwing processing；
(5) magnesium alloy after electric throwing is handled is put into table and adjusts carry out table in liquid to mediate reason；
(6) table is mediated to the magnesium alloy after reason to be toasted.
4. surface treatment method of Mg alloy as claimed in claim 1, it is characterised in that the step (1), (2), (3), (5)
All washed afterwards, ultrasonic wave water washing is carried out after the step (4).
5. surface treatment method of Mg alloy as claimed in claim 1, it is characterised in that the treatment temperature in the step (1)
For 50-60 DEG C, processing time is 1-3 minutes.
6. surface treatment method of Mg alloy as claimed in claim 1, it is characterised in that the treatment temperature in the step (2)
For 50-60 DEG C, processing time is 1-3 minutes.
7. surface treatment method of Mg alloy as claimed in claim 1, it is characterised in that the pickle bag in the step (2)
Include following composition：Lactic acid 5-10g/L；Citric acid 10-15g/L.
8. surface treatment method of Mg alloy as claimed in claim 1, it is characterised in that the processing in the step (3) or (5)
Temperature is 80-90 DEG C, and processing time is 1-2 minutes.
9. surface treatment method of Mg alloy as claimed in claim 1, it is characterised in that the table in the step (3) or (5) is adjusted
Liquid is 8-12% sodium hydroxide solution.
10. surface treatment method of Mg alloy as claimed in claim 1, it is characterised in that the processing time of the step (4) is
5-10 minutes, the electrochemical polish liquid include following composition：Organic acid 2-50g/L；Sodium citrate 2-30g/L；Glucose or
Starch 2-30g/L.
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| CN201610768581.2A CN107779942A (en) | 2016-08-30 | 2016-08-30 | Mg alloy surface electrochemical polish liquid and its processing method |
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| CN201610768581.2A CN107779942A (en) | 2016-08-30 | 2016-08-30 | Mg alloy surface electrochemical polish liquid and its processing method |
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| CN103668190A (en) * | 2012-09-13 | 2014-03-26 | 汉达精密电子(昆山)有限公司 | Magnesium alloy surface treatment method and product thereof |
| CN103668391A (en) * | 2012-09-13 | 2014-03-26 | 汉达精密电子(昆山)有限公司 | Magnesium alloy surface imitated-electroplating treatment method and product thereof |
| CN103938262A (en) * | 2013-01-23 | 2014-07-23 | 汉达精密电子(昆山)有限公司 | Magnesium alloy electrochemical polishing solution and method of processing magnesium alloy with the polishing solution |
| CN104694913A (en) * | 2015-04-10 | 2015-06-10 | 湖南大学 | Magnesium alloy fluoride-free chemical nickel-plating solution and nickel plating technology thereof |
| CN105063710A (en) * | 2015-08-17 | 2015-11-18 | 深圳市依诺威电子有限公司 | Metal surface treatment process |
| CN105887056A (en) * | 2016-04-25 | 2016-08-24 | 中国科学院兰州化学物理研究所 | Chemical nickel plating method for surface of magnesium alloy |
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2016
- 2016-08-30 CN CN201610768581.2A patent/CN107779942A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591798A (en) * | 2008-06-01 | 2009-12-02 | 比亚迪股份有限公司 | A kind of metalwork and surface treatment method thereof |
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| CN103938262A (en) * | 2013-01-23 | 2014-07-23 | 汉达精密电子(昆山)有限公司 | Magnesium alloy electrochemical polishing solution and method of processing magnesium alloy with the polishing solution |
| CN103334107A (en) * | 2013-05-21 | 2013-10-02 | 内蒙古包钢钢联股份有限公司 | Magnesium-aluminum alloy polishing solution and its preparation method and polishing method |
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| CN105887056A (en) * | 2016-04-25 | 2016-08-24 | 中国科学院兰州化学物理研究所 | Chemical nickel plating method for surface of magnesium alloy |
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Effective date of registration: 20190902 Address after: 243000 No. 1430 Huxi Southwest Road, Ma'anshan Economic and Technological Development Zone, Anhui Province Applicant after: Huafu Precision Technology (Ma'anshan) Co.,Ltd. Address before: Suzhou City, Jiangsu province 215300 Eagle Kunshan Road Development Zone No. 66 Applicant before: WAFFER TECHNOLOGY (KUNSHAN) Ltd. |
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