CN102677038A - Film forming solution for growing Mg-Al hydrotalcite film in situ on surface of magnesium alloy and application thereof - Google Patents
Film forming solution for growing Mg-Al hydrotalcite film in situ on surface of magnesium alloy and application thereof Download PDFInfo
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Abstract
The invention relates to the field of magnesium alloy surface treatment, in particular to a film forming solution for growing an Mg-Al hydrotalcite film in situ on the surface of magnesium alloy, and a method for preparing the Mg-Al hydrotalcite film on the surface of the magnesium alloy by using the solution. The film forming solution comprises a pretreatment solution and an aftertreatment solution, wherein the pretreatment solution is obtained through dropwise adding an alkaline solution containing Al to a saturated carbonic acid solution; the alkaline solution containing the Al is obtained through putting a pure aluminum plate into an alkaline solution in a temperature range of a normal temperature to a temperature of 90 DEG to be dissolved until the alkaline solution is saturated; the aftertreatment solution is obtained through regulating a pH (potential of hydrogen) value on the basis of the pretreatment solution by using the alkaline solution; and the magnesium alloy has a low aluminum content or does not contain aluminum. The hydrotalcite film is grown in situ on the surface of the magnesium alloy by adopting a two-step method: firstly, a magnesium alloy sample is soaked in the pretreatment solution, and a precursor film is grown on the surface of the magnesium alloy sample; and afterwards, the precursor film is put into the aftertreatment solution to be transformed to the hydrotalcite film. By adopting the method, the boundedness of the existing method that the Mg-Al hydrotalcite film cannot be grown in situ on the surface of the magnesium alloy which has a low aluminum content or does not contain the aluminum can be overcome.
Description
Technical field
The present invention relates to the Mg alloy surface process field, specifically a kind of at aluminum content the film-forming soln of low or not aluminiferous Mg alloy surface growth in situ Mg-Al hydrotalcite film, and use said solution to prepare the method for Mg-Al hydrotalcite film at Mg alloy surface.
Background technology
Advantage such as magnesiumalloy has that density is low, specific tenacity is high, shock-absorbing and electromagnetic wave shielding are good; This makes magnesiumalloy be applied on fields such as automobile, electronics, space flight and aviation and military affairs as the lightest Industrial materials, but the solidity to corrosion difference is exploitation of restriction magnesiumalloy and the bottleneck problem of using.Protective coating is to improve the effective measures of corrosion stability of magnesium alloy; The normal magnesiumalloy means of defence that uses comprises differential arc oxidation, chemical conversion film, electroless plating, plating and organic coating etc. in the practice; Wherein the chemical conversion film cost is low, and technology is simple, and research and application are the most extensive.In the past, generally adopt chromate conversion coating to protect magnesiumalloy, but because chromium ion is poisonous, the harm environment has been developed multiple environment-friendly chromium-free conversion film, in recent years like molybdate film, stannate film, phosphate layer, permanganate film, fluozirconate film etc.But the solidity to corrosion of these conversion films all is not so good as chromate conversion coating, and still contains the composition of some not environmental protection in the film forming liquid.It is thus clear that all there is drawback in existing magnesiumalloy conversion film, presses for and develop more practicable magnesiumalloy guard technology.
Hydrotalcite is a kind of inorganic functional coated material that using value is arranged very much, and its typical chemical constitution is Mg
6Al
2(OH)
16CO
34H
2O, similar is in brucite Mg (OH)
2, by MgO
6Octahedra shared prismatic becomes unit layer, the Mg on the layer
2+Part is by Al
3+Isomorphous substitution is like this by Mg
2+, Al
3+, OH
-The unit layer strip that constitutes has positive charge, so there is negatively charged ion CO in interlayer
3 2-With balancing charge.Be positioned at the Mg on the hydrotalcite laminate
2+And Al
3+Can be replaced by the close coion of other ionic radius and form houghite compound.The main body laminate of hydrotalcite is connected through hydrogen bond with interlayer anion; But make kind modulation in relative broad range of interlayer anion; Corrodibility negatively charged ion in the environment can be trapped within hydrotalcite layers with the interlayer anion exchange; Avoided directly contacting, slowed down the corrosive effect thereby play with matrix; Add that its surperficial characteristic such as hydrophobicity makes it have bright application prospect in the corrosion field.Research at aluminium and alloy surface growth in situ houghite film thereof shows, this film corrosion resistance excellent, and have the self-healing tendency.But the research that hydrotalcite film is used for magnesiumalloy protection seldom, and the report of growth Mg-Al hydrotalcite on the AZ91 magnesiumalloy is only arranged.The solidity to corrosion of Mg alloy surface growth in situ Mg-Al hydrotalcite film is fine, and environmental protection, is a kind of very promising means of defence.But present research method only is fit to the magnesiumalloy of high aluminium content, be not suitable for the low and not aluminiferous magnesiumalloy of aluminium content, and film formation time is long, needs 4h at least, is unfavorable for suitability for industrialized production.Therefore, press for exploitation a kind of be applicable to aluminum content low with not aluminiferous magnesiumalloy, and film formation time is short, technology is simple, the film-forming soln that the hydrotalcite film solidity to corrosion is good and prepare the method for hydrotalcite film with it.
Summary of the invention
For overcome report method can not be at aluminum content the limitation of growth in situ Mg-Al hydrotalcite film on the low or not aluminiferous magnesiumalloy, one of the object of the invention be to provide a kind of can be at aluminum content low or not aluminiferous Mg alloy surface growth in situ have the film-forming soln of the Mg-Al hydrotalcite film of protective.
Another object of the present invention be to provide a kind of technology simply can aluminum content low with not aluminiferous magnesiumalloy on prepare the method for Mg-Al hydrotalcite film, shortening film formation time.
To achieve these goals, technical scheme of the present invention is:
A kind of at aluminum content the film-forming soln of low or not aluminiferous Mg alloy surface growth in situ Mg-Al hydrotalcite film, this film-forming soln comprises pretreatment liquid and aftertreatment fluid, pre-treatment solution is in unsaturated carbonate solution, to drip the basic soln gained that contains Al; Post-treatment solution is on the pretreatment liquid basis, regulates pH value gained with basic soln.
The film-forming soln of described and not aluminiferous Mg alloy surface growth in situ Mg-Al hydrotalcite film low at aluminum content, aluminum content is low to comprise AM30, AZ31, WE54 or ZK60 etc. with not aluminiferous magnesiumalloy.
The film-forming soln of described and not aluminiferous Mg alloy surface growth in situ Mg-Al hydrotalcite film low at aluminum content, the basic soln that contains Al are meant pure aluminum plate are placed on room temperature to 90 ℃ that concentration is the Na of 0.01～5mol/L
2CO
3, NaHCO
3, NaOH, K
2CO
3, KHCO
3, be dissolved to saturated acquisition in a kind of or its mixing solutions among the KOH, can directly in unsaturated carbonate solution, drip the described Al of containing basic soln and regulate pH value to 5～9 and obtain pretreatment liquid.
The film-forming soln of described and not aluminiferous Mg alloy surface growth in situ Mg-Al hydrotalcite film low at aluminum content adopts basic soln to regulate pre-treatment pH value of solution value to 9.5～13 and is post-treatment solution.
The film-forming soln of described and not aluminiferous Mg alloy surface growth in situ Mg-Al hydrotalcite film low at aluminum content is regulated the basic soln of aftertreatment fluid pH value, is that concentration is the Na of 0.1～4mol/L
2CO
3, NaHCO
3, NaOH, K
2CO
3, KHCO
3, a kind of or its mixing solutions among the KOH.
Among the present invention, use above-mentioned film-forming soln to hang down the method for preparing the Mg-Al hydrotalcite film with not aluminiferous Mg alloy surface at aluminum content, concrete steps are following:
1) mechanical pretreatment and skimming treatment:
Mechanical pretreatment is meant with sand paper sample is polished, fin cutting, oxide on surface etc.; Skimming treatment is meant with alcohol UW room temperature cleans 2～10min or with 8～12g/L NaOH aqueous solution soaking, 4～10min of 50～90 ℃, removes lubricant that general dirt, sintering adhere to, cutting agent etc.;
2) adopt two-step approach at Mg alloy surface growth in situ hydrotalcite film:
At first, magnesiumalloy is immersed in surface growth goes out precursor film in the pre-treatment solution; Then, precursor film is put into post-treatment solution and change hydrotalcite film into.
Describedly prepare the method for Mg-Al hydrotalcite film with not aluminiferous Mg alloy surface in that aluminum content is low, uses temperature that constant temperature water bath controls pretreatment liquid to be room temperature to 70 ℃, the treatment time is 10min～1.5h.
Describedly prepare the method for Mg-Al hydrotalcite film with not aluminiferous Mg alloy surface in that aluminum content is low, using the temperature of constant temperature water bath control aftertreatment fluid is 55～90 ℃, and the treatment time is 15min～1.5h.
The thickness of described precursor film is 0.2～3 micron, and the thickness of hydrotalcite film is 0.1～2.8 micron.
More than each step all need not washing after finishing.
The present invention has following advantage:
1, solution composition of the present invention is simple, raw material is easy to get, with low cost, do not use any toxic substance, whole process of preparation environmental protection, and technology is simple, is suitable for suitability for industrialized production.
2, the low and not aluminiferous Mg alloy surface growth in situ Mg-Al hydrotalcite film at aluminum content need add aluminum ion in film forming liquid, and the present invention is placed on Na with pure aluminum plate
2CO
3, NaHCO
3, NaOH, K
2CO
3, KHCO
3, be dissolved in a kind of or its mixing solutions among the KOH saturated; Through using this to contain the pH value that the Al basic soln is regulated unsaturated carbonate solution; Success is incorporated into aluminum ion in the film forming liquid, and this method can not be incorporated into other impurity negatively charged ion in the film forming liquid, makes the hydrotalcite film purity of acquisition high.
3, the present invention is applicable to the low and not aluminiferous magnesiumalloy of all aluminum contents, has avoided the only limitation of suitable AZ91 magnesiumalloy of original technology, and is applied widely.
4, adopt the present invention to prepare the Mg-Al hydrotalcite film, the process of Mg alloy surface growth in situ hydrotalcite film was divided into for two steps, will significantly shorten film formation time.
5, the rete that adopts the present invention to make is fine and close, smooth, thickness is even, and is good with basal body binding force.
6, the rete that adopts the present invention to obtain is by hydrotalcite (Mg
6Al
2(OH)
16CO
34H
2O) form; It is a kind of inorganic functional material with special laminate structure, and interlayer anion has interchangeability, can obtain the film of multi-functional supermolecular intercalation structure; And make rete have the self-healing characteristic, with the solidity to corrosion of further improving magnesiumalloy and with the combining of organic coating.
Description of drawings
Fig. 1 is the X ray diffracting spectrum of Mg-Al hydrotalcite film in the embodiment of the invention 1.
Fig. 2 is the Electronic Speculum figure of Mg-Al hydrotalcite film in the embodiment of the invention 2.
Embodiment
Embodiment 1:
Logical CO in zero(ppm) water
2Get pH about gas 10min and be about 4 unsaturated carbonate solution, adopt the 2.0mol/L K that is dissolved with saturated Al
2CO
3Solution is regulated carbonic acid soln pH value to 6, obtains pre-treatment solution; Post-treatment solution is on the pretreatment liquid basis, regulates pH value to 10.5 with 2mol/L KOH solution.
Experiment material is the WE54 magnesiumalloy, handles according to following steps:
1) mechanical pretreatment;
In the present embodiment, described mechanical pretreatment is meant with sand paper polishes to sample, fin cutting, oxide on surface etc.;
2) two-step approach film forming
Pre-treatment: it is to soak 10min in 40 ℃ the pretreatment liquid to obtain precursor film that the good sample of will polishing is put into temperature; Aftertreatment: it is that 1h obtains hydrotalcite film in 80 ℃ the aftertreatment fluid that the precursor film that obtains directly is immersed in temperature.In the present embodiment, the thickness of precursor film is 0.5 micron, and the thickness of hydrotalcite film is 0.4 micron.
In the present embodiment, obtain light grey hydrotalcite film, the XRD result of Fig. 1 shows that the staple of film is Mg
6Al
2(OH)
16CO
34H
2O, the Mg peak comes from matrix, does not have other impurity components to exist.This hydrotalcite film soaks the 24h surface in 0.1mol/LNaCl have 2 hot spots.
Embodiment 2:
Logical CO in zero(ppm) water
2Get pH about gas 10min and be about 4 unsaturated carbonate solution, adopt the 0.1mol/L NaOH solution that is dissolved with saturated Al to regulate carbonic acid soln pH value to 5, obtain pre-treatment solution; In pre-treatment solution, drip 0.5mol/L Na
2CO
3Solution adjust pH to 11.5 obtains post-treatment solution.
Experiment material is extruding attitude AM30 magnesiumalloy, handles according to following steps:
1) mechanical pretreatment and skimming treatment;
In the present embodiment, described mechanical pretreatment is meant with sand paper polishes to sample, fin cutting, oxide on surface etc.; Skimming treatment is meant the aqueous solution soaking with 10g/L NaOH, removes lubricant that general dirt, sintering adhere to, cutting agent etc., and temperature is controlled at 80 ℃, and the time is 5min;
2) two-step approach film forming
Pre-treatment: the pre-treatment solution immersion 30min that the good sample of will polishing is put under the room temperature obtains precursor film; Aftertreatment: it is that 50min obtains hydrotalcite film in 60 ℃ the aftertreatment fluid that the precursor film that obtains directly is immersed in temperature; In the present embodiment, the thickness of precursor film is 1.5 microns, and the thickness of hydrotalcite film is 1.3 microns.
In the present embodiment, on extruding attitude AM30 magnesiumalloy, obtain milky conversion film, film is very smooth.See that from the SEM surface topography of Fig. 2 rete is formed by the particle packing of withe shape, evenly fine and close.This film soaks experiment 10h entirely in 0.1mol/LNaCl solution, no spot corrosion produces; Behind the 48h, contain hydrotalcite film sample and have only the border regional area spot corrosion to occur, and just all corrosion of matrix 6h.
Embodiment 3:
Logical CO in zero(ppm) water
2Get pH about gas 10min and be about 4 unsaturated carbonate solution, adopt the 5mol/L Na that is dissolved with saturated Al
2CO
3Solution is regulated carbonic acid soln pH value to 8, obtains pre-treatment solution; In pre-treatment solution, drip 1mol/L NaOH solution adjust pH to 12, obtain post-treatment solution.
Experiment material is extruding attitude AZ31 magnesiumalloy, handles according to following steps:
1) mechanical pretreatment and skimming treatment;
In the present embodiment, described mechanical pretreatment is meant with sand paper polishes to sample, fin cutting, oxide on surface etc.; Skimming treatment is meant with alcohol ultrasonic cleaning 5min;
2) two-step approach film forming
Pre-treatment: it is to soak 1.5h in 60 ℃ the pre-treatment solution to obtain precursor film that the sample after the skimming treatment of will polishing is put into temperature; Aftertreatment: it is that 20min obtains hydrotalcite film in 90 ℃ the aftertreatment fluid that the precursor film that obtains directly is immersed in temperature; In the present embodiment, the thickness of precursor film is 2.5 microns, and the thickness of hydrotalcite film is 2.2 microns.
In the present embodiment, on the AZ31 magnesiumalloy, obtain grayish conversion film, film is uniform and smooth.This film soaks 48h and 3 hot spots occur in 0.1mol/LNaCl.
Embodiment 4:
In the present embodiment, the preparation of pre-treatment solution and post-treatment solution such as embodiment 1.
Experiment material is extruding attitude AZ31 magnesiumalloy, handles according to following steps:
1) mechanical pretreatment;
In the present embodiment, described mechanical pretreatment is meant with sand paper polishes to sample, fin cutting, oxide on surface etc.;
2) two-step approach film forming
Pre-treatment: it is that 50 ℃ pre-treatment solution soaks 1h and obtains precursor film that the sample that pre-treatment is good is put into temperature; Aftertreatment: it is that 40min obtains hydrotalcite film in 75 ℃ the aftertreatment fluid that the precursor film that obtains is directly immersed temperature.In the present embodiment, the thickness of precursor film is 2.3 microns, and the thickness of hydrotalcite film is 2.1 microns.
In the present embodiment, on the AZ31 magnesiumalloy, obtain gray hydrotalcite film, the smooth densification of film.In 0.1mol/L NaCl, soak 12h and hot spot do not occur.
Embodiment 5:
Logical CO in zero(ppm) water
2Get pH about gas 10min and be about 4 carbonation solution, adopt the 1mol/L NaHCO that is dissolved with saturated Al
3Solution is regulated carbonic acid soln pH value to 7, obtains pre-treatment solution; Post-treatment solution is on the pretreatment liquid basis, uses 4mol/L KHCO
3Solution is regulated pH value to 13.
Experiment material is extruding attitude ZK60 magnesiumalloy, handles according to following steps:
1) mechanical pretreatment;
In the present embodiment, described mechanical pretreatment is meant with sand paper polishes to sample, fin cutting, oxide on surface etc.;
2) two-step approach film forming
Pre-treatment: it is that 70 ℃ pre-treatment solution soaks 20min and obtains precursor film that the good sample of will polishing is put into temperature; Aftertreatment: it is that 1.5h obtains hydrotalcite film in 70 ℃ the aftertreatment fluid that the precursor film that obtains is directly immersed temperature; In the present embodiment, the thickness of precursor film is 1.1 microns, and the thickness of hydrotalcite film is 0.9 micron.
The Mg-Al hydrotalcite film that obtains in the present embodiment is for light grey, in 0.1mol/L NaCl solution, soak experiment 15h entirely after, produce first point corrosion pit.
Embodiment 6:
Logical CO in zero(ppm) water
2Get pH about gas 10min and be about 4 unsaturated carbonate solution, adopt the 2mol/L NaOH solution that is dissolved with saturated Al to regulate carbonic acid soln pH value to 6, obtain pre-treatment solution; Post-treatment solution is on the pretreatment liquid basis, uses 3mol/l Na
2CO
3Regulate pH value to 10.5 with the mixing solutions of 0.2mol/L NaOH.Experiment material is extruding attitude AM30 magnesiumalloy, and experimental procedure is shown in embodiment 5.
The thickness of the precursor film that obtains in the present embodiment is 1.5 microns, and the thickness of hydrotalcite film is 1.2 microns, and hydrotalcite film is a pearl, and film is uniform and smooth, in 0.1mol/L NaCl solution, soak full the experiment 18h after, produce first point corrosion pit.
Comparative Examples 1:
Logical CO in zero(ppm) water
2About gas 10min pH is about 4 unsaturated carbonate solution as pre-treatment solution; Post-treatment solution is on the pretreatment liquid basis, regulates pH value to 10.5 with 2mol/L NaOH solution.
Experiment material is extruding attitude AZ31 magnesiumalloy, handles according to following steps:
1) mechanical pretreatment;
In this Comparative Examples, described mechanical pretreatment is with sand paper sample to be polished, fin cutting, oxide on surface etc.;
2) two-step approach film forming
Pre-treatment: it is that 40 ℃ pre-treatment solution soaks 2h and obtains the precursor film that sample is put into temperature; Aftertreatment: it is that 30min obtains hydrotalcite film in 80 ℃ the aftertreatment fluid that the precursor film that obtains is directly immersed temperature;
In this Comparative Examples, the Mg-Al hydrotalcite film of specimen surface is more coarse, and solidity to corrosion is very poor, in 0.1mol/LNaCl solution, soak full the experiment 0.5h after, a lot of black color dots pits just appear in the surface.
Comparative Examples 2:
Pre-treatment solution is to add 0.01mol/L Al in the carbonic acid soln saturated under the room temperature
2(SO
4)
318H
2O solution; Aftertreatment fluid is meant and pure aluminum plate is immersed in 60 ℃ 0.5mol/L Na
2CO
3In be dissolved to the reach capacity solution of gained of Al content.
Experiment material is extruding attitude AZ31 magnesiumalloy, handles according to following steps:
1) mechanical pretreatment;
In this Comparative Examples, described mechanical pretreatment is meant with sand paper polishes to sample, fin cutting, oxide on surface etc.;
2) two-step approach film forming
Pre-treatment: the pre-treatment solution immersion 1h that the sample that pre-treatment is good is put under the room temperature obtains precursor film; Aftertreatment: the precursor film that obtains immersed directly 2h obtains final rete in the aftertreatment fluid.
In this Comparative Examples, obtain the pearl conversion film, but the staple of film is NaAlCO
3(OH)
2Dawsonite, Al (OH)
3And Al
5(OH)
13(CO
3) 5H
2O, this film forming liquid can not obtain the Mg-Al hydrotalcite film.
Can find out from embodiment and Comparative Examples result, the present invention aluminum content low with not aluminiferous magnesiumalloy on the Mg-Al hydrotalcite film of growth in situ have good solidity to corrosion, rete is fine and close, smooth, thickness is even, and is good with basal body binding force.
Claims (10)
1. the film-forming soln of a Mg alloy surface growth in situ Mg-Al hydrotalcite film; It is characterized in that; This film-forming soln comprises pretreatment liquid and aftertreatment fluid; Pre-treatment solution is in unsaturated carbonate solution, to drip the basic soln gained contain Al, and the basic soln that contains Al is pure aluminum plate to be placed in the basic soln of room temperature to 90 ℃ be dissolved to saturated gained; Post-treatment solution is on the pretreatment liquid basis, regulates pH value gained with basic soln; Magnesiumalloy is the low or not aluminiferous magnesiumalloy of aluminum content.
2. the film-forming soln of Mg alloy surface growth in situ Mg-Al hydrotalcite film according to claim 1 is characterized in that, the low or not aluminiferous magnesiumalloy of described aluminum content is AM30, AZ31, WE54 or ZK60.
3. the film-forming soln of Mg alloy surface growth in situ Mg-Al hydrotalcite film according to claim 1 is characterized in that, in the described basic soln that contains Al, basic soln is that concentration is the Na of 0.01～5mol/L
2CO
3, NaHCO
3, NaOH, K
2CO
3, KHCO
3, a kind of or its mixing solutions among the KOH.
4. the film-forming soln of Mg alloy surface growth in situ Mg-Al hydrotalcite film according to claim 1; It is characterized in that; The pH value of described pre-treatment solution is 5～9, in unsaturated carbonate solution, drips the described Al basic soln that contains and regulates gained, and the pH value of aftertreatment fluid is 9.5～13.
5. the film-forming soln of Mg alloy surface growth in situ Mg-Al hydrotalcite film according to claim 1 is characterized in that, the basic soln of described adjusting aftertreatment fluid pH value is that concentration is the Na of 0.1～4mol/L
2CO
3, NaHCO
3, NaOH, K
2CO
3, KHCO
3, a kind of or its mixing solutions among the KOH.
6. an application that utilizes the said film-forming soln of one of claim 1～5 is characterized in that, low or not aluminiferous Mg alloy surface prepares the Mg-Al hydrotalcite film at aluminum content, comprises following steps:
1) mechanical pretreatment and skimming treatment: with sand paper sample is polished, fin cutting, oxide on surface are removed the matrix greasy dirt with basic soln or alcohol UW;
2) adopt two-step approach at Mg alloy surface growth in situ hydrotalcite film: at first the magnesiumalloy sample is immersed in the pre-treatment solution, surface growth goes out precursor film; Then precursor film is put into post-treatment solution and change hydrotalcite film into.
7. according to the application of the said film-forming soln of claim 6, it is characterized in that described pre-treatment solution temperature is a room temperature to 70 ℃, the pre-treatment time is 10min～1.5h.
8. according to the application of the said film-forming soln of claim 6, it is characterized in that described post-treatment solution temperature is 55～90 ℃, the aftertreatment time is 15min～1.5h.
9. according to the application of the said film-forming soln of claim 6, it is characterized in that the thickness of described precursor film is 0.2～3 micron, the thickness of hydrotalcite film is 0.1～2.8 micron.
10. according to the application of the said film-forming soln of claim 6, it is characterized in that, more than each step all need not washing after finishing.
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| CN106086992A (en) * | 2016-06-07 | 2016-11-09 | 重庆大学 | A kind of preparation method of the double hydroxy metal oxide closing membrane layer of Mg alloy surface |
| CN106283017A (en) * | 2016-09-07 | 2017-01-04 | 南京工程学院 | Magnesium and Mg alloy surface have the Mg (OH) of intercalation configuration2/ Mg Sn houghite composite membrane and preparation method thereof |
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| CN108330472A (en) * | 2018-02-05 | 2018-07-27 | 西华师范大学 | A method of the double hydroxy metal oxide coating corrosion resistances of enhancing Mg alloy surface |
| CN108421083A (en) * | 2018-02-26 | 2018-08-21 | 天津理工大学 | A kind of biphosphonates intercalated houghite medical magnesium alloy coating and the preparation method and application thereof |
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| CN113549913A (en) * | 2021-07-22 | 2021-10-26 | 重庆大学 | Preparation method and application of ternary MgAlLa-LDHs film layer on surface of magnesium alloy |
| CN113564590A (en) * | 2021-07-30 | 2021-10-29 | 山东科技大学 | Method for preparing hydrotalcite coating on surface of magnesium alloy by combining acid pretreatment with steam method |
| CN114262923A (en) * | 2020-09-16 | 2022-04-01 | 华中科技大学 | Magnesium alloy surface double-layer composite film, preparation method and application thereof |
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-
2011
- 2011-03-10 CN CN201110057831.9A patent/CN102677038B/en active Active
Non-Patent Citations (3)
| Title |
|---|
| J.K. LIN ET AL.: "Formation of Mg,Al-hydrotalcite conversion coating on Mg alloy in aqueous HCO3-/CO32- and corresponding protection against corrosion by the coating", 《CORROSION SCIENCE》 * |
| JUN WANG ET AL.: "Fabrication of hydrophobic surface with hierarchical structure on Mg alloy and its corrosion resistance", 《ELECTROCHIMICA ACTA》 * |
| YU BING-LUNG ET AL.: "Applications of carbonic acid solution for developing conversion coatings on Mg alloy", 《TRANS.NONFERROUS MET. SOC. CHINA》 * |
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| CN106086992A (en) * | 2016-06-07 | 2016-11-09 | 重庆大学 | A kind of preparation method of the double hydroxy metal oxide closing membrane layer of Mg alloy surface |
| CN106283017A (en) * | 2016-09-07 | 2017-01-04 | 南京工程学院 | Magnesium and Mg alloy surface have the Mg (OH) of intercalation configuration2/ Mg Sn houghite composite membrane and preparation method thereof |
| CN106283017B (en) * | 2016-09-07 | 2018-09-25 | 南京工程学院 | Magnesium and Mg alloy surface have the Mg (OH) of intercalation configuration2/ Mg-Sn houghite composite membranes and preparation method thereof |
| CN107537071A (en) * | 2017-07-24 | 2018-01-05 | 中国科学院上海硅酸盐研究所 | A kind of surface carries medicine magnesium alloy materials and its preparation method and application |
| CN108330472A (en) * | 2018-02-05 | 2018-07-27 | 西华师范大学 | A method of the double hydroxy metal oxide coating corrosion resistances of enhancing Mg alloy surface |
| CN108421083B (en) * | 2018-02-26 | 2021-02-02 | 天津理工大学 | Bisphosphonate drug intercalated hydrotalcite medical magnesium alloy coating and preparation method and application thereof |
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| CN109012573A (en) * | 2018-08-15 | 2018-12-18 | 武汉理工大学 | A kind of preparation method roasting magnalium hydrotalcite film |
| CN114262923A (en) * | 2020-09-16 | 2022-04-01 | 华中科技大学 | Magnesium alloy surface double-layer composite film, preparation method and application thereof |
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| CN114561635A (en) * | 2022-01-20 | 2022-05-31 | 佛山科学技术学院 | LDHs film on surface of magnesium alloy and in-situ crystallization preparation method thereof |
| CN114561635B (en) * | 2022-01-20 | 2023-10-13 | 佛山科学技术学院 | LDHs film on magnesium alloy surface and in-situ crystallization preparation method thereof |
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