CN106929898A - A kind of magnesium alloy batch differential arc oxidation and/or electro-deposition surface processing device and method - Google Patents
A kind of magnesium alloy batch differential arc oxidation and/or electro-deposition surface processing device and method Download PDFInfo
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- CN106929898A CN106929898A CN201710049415.1A CN201710049415A CN106929898A CN 106929898 A CN106929898 A CN 106929898A CN 201710049415 A CN201710049415 A CN 201710049415A CN 106929898 A CN106929898 A CN 106929898A
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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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- 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
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
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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
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
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Abstract
The present invention relates to a kind of magnesium alloy batch differential arc oxidation and/or the surface processing device of electro-deposition, including electric installation, temperature control tank and the reactive tank that is placed in temperature control tank；The electric installation includes insulation support plate and arrangement circuit, if the arrangement circuit is made up of electric power connection line, toroidal conductor and dry-eye disease connecting line, sample connecting line along toroidal conductor even circumferential, be spaced, and the upper end of sample connecting line is vertical with toroidal conductor is connected, the insulation support plate is located at toroidal conductor lower section, and on insulation support plate corresponding to sample connecting line position at offer corresponding hole, sample connecting line is passed down through insulation support plate and stretches out outside insulation support plate, and the end of sample connecting line is used to connect pending magnesium alloy sample；The center position of insulation support plate is provided with columnar electrode, and the longitudinal center line of columnar electrode coincides with the center line of toroidal conductor.Apparatus of the present invention can solve the problems, such as that existing differential arc oxidation and/or electrodeposition process efficiency are low.
Description
Technical field
The present invention relates to technical field of material surface treatment, and in particular to a kind of magnesium alloy batch differential arc oxidation and/or electricity
Deposition surface processing unit and method.
Background technology
Differential arc oxidization technique is in the new of the valve metals such as Mg, Al, Ti and its alloy surface growth in situ membrane of oxide ceramics
Technology.The influence of differential arc oxidization technique not test sample geometry, can process complex-shaped sample；Film layer is former in sample surfaces
Position growth, has bond strength higher with matrix；Film layer has preferably wear-resisting, corrosion-resistant etc. performance characteristics；The film layer can be carried
The decay resistance of Mg alloy surface high.
Magnesium alloy fixes material as Medical orthopedic has many advantages, its elastic modelling quantity and people's bone closely,
Stress-shielding effect can be prevented effectively from；Magnesium is the trace element of needed by human body, after magnesium alloy fixation material is degraded in human body, meeting
Absorbed and discharged, it is to avoid second operation is taken out implant.Degradation rate of the magnesium alloy in human body is very fast, by differential arc oxidation
Treatment, improving surface corrosion resistance can reach the requirement of medical embedded material with the mechanical property on surface.At present, at laboratory
Magnesium alloy sample more than reason small size, quantity, inefficiency expends the time.
Electrodeposition technology is simple, easy to operate, in Mg alloy surface prepares coating, can delay matrix corrosion.It is heavy by electricity
Product technology, Ca-P salt coatings are prepared on magnesium alloy bone implant devices surface, improve the biocompatibility of material surface, promote bone
Repair.At present, preparation technology is immature, and treatment effeciency is low.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of magnesium alloy batch differential arc oxidation and/
Or electro-deposition surface processing device and method, it is not only suitable for differential arc oxidation, and suitable for electro-deposition, can effectively solve existing micro-
Arc is aoxidized and the low problem of electrodeposition process efficiency.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of magnesium alloy batch differential arc oxidation and/or the surface processing device of electro-deposition, it includes electric installation, temperature control tank and puts
In the reactive tank in temperature control tank；Uniform intervals are provided with some heating rods, and heating rod along the outer of reactive tank in the temperature control tank
Even circumferential is arranged, and agitating device is provided with reactive tank；
The electric installation include insulation support plate and arrangement circuit, if the arrangement circuit by electric power connection line, toroidal conductor and
Dry-eye disease connecting line is constituted, and electric power connection line one end is connected with toroidal conductor, electric power connection line other end connection power supply；Sample
Connecting line along toroidal conductor even circumferential, be spaced, and sample connecting line upper end it is vertical with toroidal conductor be connected, it is described
Insulation support plate is located at toroidal conductor lower section, and corresponding corresponding to being offered at the position of sample connecting line on insulation support plate
Hole, sample connecting line is passed down through insulation support plate and stretches out outside insulation support plate, and the end of sample connecting line is used to connect treats
The magnesium alloy sample for the treatment of；The center position of insulation support plate is provided with columnar electrode, and insulation branch is stretched out in the upper end of columnar electrode
Outside fagging and power supply is connected, the bearing of trend of columnar electrode lower end is identical with sample connecting line and parallel with sample connecting line,
The longitudinal center line of columnar electrode coincides with the center line of toroidal conductor；
Differential arc oxidation treatment when, the columnar electrode be stainless steel cylinder, columnar electrode connection power cathode, electric power connection line with
Positive source is connected；
During electrodeposition process, the columnar electrode be column graphite electrode, columnar electrode connection positive source, electric power connection line with
Power cathode is connected.
Specifically, the quantity of the sample connecting line is 1-50（As quantity can for 2,3,4,5,6,
8,10,12,16,20 or 30 etc.）；And each sample connecting line is to stainless steel cylinder or column graphite electrode table
The horizontal range in face is equal, and spacing range is in 3cm-20cm.
Sample connecting line along toroidal conductor even circumferential, be spaced, and vertical with toroidal conductor be connected；Stainless steel is justified
The longitudinal center line of post and column graphite electrode coincides with the center line of toroidal conductor, between so can making pending sample etc.
Away from, annular arrangement around stainless steel cylinder/column graphite electrode, each pending sample and stainless steel cylinder/chimney rock
The distance on electrode ink surface is equal, and sample is 3cm-20cm with the spacing range of stainless steel cylinder, graphite electrode surface.
Specifically, the spacing range of two neighboring sample connecting line is 1 cm-16cm.Sample for connecting sample connects
Wiring has multiple, if dry-eye disease connecting line be parallel to each other and equidistantly, annular arrangement, by increasing or decreasing sample connecting line
Quantity, can increase or decrease the sample number of single differential arc oxidation/electrodeposition process.The sample interval scope of annular arrangement is 1
Cm-16cm.
Specifically, the magnesium rod of certain specification can be used as sample connecting line.Magnesium rod surface need not carry out insulation processing,
Using more convenient.
Described agitating device is magnetic stirring apparatus.Such as magnetic rotor can be positioned over into reaction tank bottom carries out magnetic force
Stirring.Differential arc oxidation and electrodeposition process liquid are stirred by magnetic rotation rotor, because the amount for the treatment of fluid is larger, it is necessary to carry
For the stronger magnetic stirring apparatus of stirring capacity.
In the present invention, treatment fluid is incubated by water bath with thermostatic control, specifically, can be by the water in temperature control tank to micro-
The temperature of arc oxidation treatment liquid and electrodeposition process liquid is regulated and controled.Differential arc oxidation treatment is in room temperature（25℃±5℃）Under carry out,
The water in extra heated for controlling temperature groove is not needed.Electrodeposition process temperature is carried out at 60 DEG C -90 DEG C, therefore, needed during electrodeposition process
Water in temperature control tank is heated to 60 DEG C -90 DEG C.
The surface treatment method of magnesium alloy batch differential arc oxidation is carried out using said apparatus, it is comprised the following steps：
（1）Pending magnesium alloy sample surfaces are pre-processed；
（2）Configuration differential arc oxidation treatment fluid, is well mixed, and is added in reactive tank；
（3）Pending magnesium alloy sample is connected with device；
（4）Setting power supply relevant parameter, sample switches on power, and carries out Microarc Oxidation Surface Treatment；
（5）After treatment terminates, magnesium alloy sample is taken out, cleaned with deionized water, be drying to obtain.
Specifically, above-mentioned steps（2）Reactive tank in differential arc oxidation treatment fluid addition for reactive tank volume 70%-
90%.Differential arc oxidation treatment can be adjusted to voltage, frequency and dutycycle, and wherein voltage regulation limits are 0V to 700V, frequency
Rate adjustable range is 20Hz to 2000Hz, and duty cycle adjustment scope is 0 to 100%.Preferably, step（4）Described in power supply it is related
Parameter is：Voltage range is 200V-400V, and dutycycle is 5%-20%, and frequency is 500Hz-1000Hz；Differential arc oxidation treatment
Carry out at room temperature, process time is 10 min-30min.The composition of differential arc oxidation treatment fluid is sodium phosphate 54g/L, hydroxide
Sodium 2g/L and glycerine 6mL/L, needs to be sufficiently stirred for mixing before use.
In addition, carrying out the surface treatment method of magnesium alloy batch electro-deposition using said apparatus, it is comprised the following steps：
（1）Pending magnesium alloy sample surfaces are pre-processed；
（2）Configuration electrodeposition process liquid, is well mixed, and is added in reactive tank；
（3）Pending magnesium alloy sample is connected with device；
（4）Running water is added in temperature control tank, and it is 60 DEG C -90 DEG C to adjust water temperature in temperature control tank；
（5）Setting power supply relevant parameter, sample switches on power, and carries out electro-deposition surface treatment；
（6）After treatment terminates, magnesium alloy sample is taken out, cleaned with deionized water, be drying to obtain.
Specifically, above-mentioned steps（2）Reactive tank in electrodeposition process liquid addition for reactive tank volume 70%-90%.
Electrodeposition process is mainly adjusted to electric current, step preferably（5）Described in power supply relevant parameter：Current density is 0.1
mA/cm2- 20mA/cm2；Electrodeposition process temperature is 60 DEG C -90 DEG C, and process time is 10 min-50min.Electrodeposition process
The composition of liquid is calcium nitrate 2.48g/L, sodium nitrate 8.5g/L, ammonium dihydrogen phosphate 0.72g/L, hydrogen peroxide 10mL/L.
Additionally, carrying out the surface treatment method of magnesium alloy batch differential arc oxidation and electro-deposition using said apparatus, it includes
Following steps：
（1）Pending magnesium alloy sample surfaces are pre-processed；
（2）Configuration differential arc oxidation treatment fluid, is well mixed, and is added in reactive tank；
（3）Pending magnesium alloy sample is connected with device；
（4）Setting power supply relevant parameter, sample switches on power, and carries out Microarc Oxidation Surface Treatment；
（5）After treatment terminates, magnesium alloy sample is taken out, cleaned with deionized water, dried；Simultaneously by the differential arc oxidation in reactive tank
Treatment fluid is poured out and cleans reactive tank, configures electrodeposition process liquid, is added in reactive tank after being well mixed；
（6）By step（5）The treated magnesium alloy sample of differential arc oxidation is connected with device；Running water is added in temperature control tank, and
Water temperature is 60 DEG C -90 DEG C in regulation temperature control tank；
（7）Setting power supply relevant parameter, sample switches on power, and carries out electro-deposition surface treatment；
（8）After treatment terminates, magnesium alloy sample is taken out, cleaned with deionized water, be drying to obtain.
Specifically, above-mentioned steps（4）Described in power supply relevant parameter be：Voltage range is 200V-400V, and dutycycle is
5%-20%, frequency is 500Hz-1000Hz；Differential arc oxidation treatment is carried out at room temperature, and process time is 10 min-30min；
Step（7）Described in power supply relevant parameter：Current density is 0.1 mA/cm2- 20mA/cm2；Electrodeposition process temperature is 60
DEG C -90 DEG C, process time is 10 min-50min.
Pending magnesium alloy sample is provided with the hole of certain specification, for connecting sample connecting line.
Compared with prior art, the present invention is provided magnesium alloy batch differential arc oxidation and/or electro-deposition surface processing device
And method, because single can process multiple samples, efficiency is substantially increased, save the time.Additionally, apparatus of the present invention design is closed
Reason, physical environment residing for each sample is consistent, with batch sample differential arc oxidation coating/electro-deposition composite coating effect more
Unanimously, and each sample surfaces differential arc oxidation coating/electro-deposition composite coating is than more uniform, its decay resistance is big compared with magnesium matrix
To improve.
Brief description of the drawings
The structural representation of magnesium alloy batch differential arc oxidation and/or electro-deposition surface processing device that Fig. 1 is provided for the present invention
Figure；
Fig. 2 is the top view of electric installation in Fig. 1；
Description of reference numerals：1-the first electric power connection line；2-toroidal conductor；3-sample connecting line；4-magnesium alloy sample；
5-treatment fluid；6-reactive tank；7-temperature control water；8-temperature control tank；9-rotor；10-columnar electrode；11-second source is connected
Line；12-insulation support plate；
Fig. 3 is the surface topography that batch prepares differential arc oxidation coating；
Fig. 4 is the Cross Section Morphology that batch prepares differential arc oxidation coating；
Fig. 5 prepares differential arc oxidation/electro-deposition composite coating surface topography for batch；
Fig. 6 prepares differential arc oxidation/electro-deposition composite coating Cross Section Morphology for batch；
Fig. 7 is the polarization curve of coating sample and matrix.
Specific embodiment
Technical scheme is further discussed in detail with reference to embodiments, but protection scope of the present invention
It is not limited thereto.
Embodiment
As illustrated in fig. 1 and 2, a kind of magnesium alloy batch differential arc oxidation and/or electro-deposition surface processing device, it includes Denso
Put, temperature control tank 8 and the reactive tank 6 that is placed in temperature control tank 8, uniform intervals are provided with some heating rods in the temperature control tank 8（Figure
In be not drawn into）, and heating rod uniformly arranged along the excircle of reactive tank 6, and rotor 9 is provided with the reactive tank 6；
The electric installation includes insulation support plate 12 and arrangement circuit, and the arrangement circuit is led by the first electric power connection line 1, annular
Line 2 and eight sample connecting lines 3 are constituted, and the one end of the first electric power connection line 1 is connected with toroidal conductor 2, the first electric power connection line 1
The other end connects power supply；Sample connecting line 3 along toroidal conductor 2 even circumferential, be spaced, and sample connecting line 3 upper end
Vertical with toroidal conductor 2 to be connected, the insulation support plate 12 is located at the lower section of toroidal conductor 2, and corresponds on insulation support plate 12
Corresponding hole is offered at the position of sample connecting line 3, sample connecting line 3 is passed down through insulation support plate 12 and stretches out insulation branch
Outside fagging 12, the end of sample connecting line 3 is used to connect pending magnesium alloy sample 4；The center of insulation support plate 12
Place is provided with columnar electrode 10, and the upper end of columnar electrode 10 is stretched out outside insulation support plate 12 and connected by second source connecting line 11
Power supply, the bearing of trend of the lower end of columnar electrode 12 is identical with sample connecting line 3 and parallel with sample connecting line 3, columnar electrode
10 longitudinal center line coincides with the center line of toroidal conductor 2；
During differential arc oxidation treatment, the columnar electrode 10 is stainless steel cylinder, the connection power cathode of columnar electrode 10, the first power supply
Connecting line 1 is connected with positive source；
During electrodeposition process, the columnar electrode 10 is column graphite electrode, the connection positive source of columnar electrode 10, the first power supply
Connecting line 1 is connected with power cathode.
The quantity of the sample connecting line 3 is 8；And the level on each sample connecting line 3 and the surface of columnar electrode 10 away from
From equal, spacing is 6cm.The spacing range of the two neighboring sample connecting line of annular arrangement is 5cm.Sample connecting line is mutual
Parallel and equidistant, annular arrangement, by increasing or decreasing the quantity of sample connecting line, can increase or decrease single differential of the arc oxygen
The sample number of change/electrodeposition process.Using the magnesium rod of certain specification as connection sample wire.Differential arc oxidation treatment is in room temperature（25
℃±5℃）Under carry out, it is not necessary to the temperature control water 7 in extra heated for controlling temperature groove, the treatment fluid 5 placed in reactive tank 6 is differential of the arc oxygen
Change treatment fluid.Electrodeposition process temperature is carried out at 60 DEG C -90 DEG C, and the treatment fluid 5 placed in reactive tank 6 is electrodeposition process liquid,
The temperature control water 7 in temperature control tank need to be heated to 60 DEG C -90 DEG C during electrodeposition process.
Batch differential arc oxidation/electro-deposition surface processing device that the present invention is provided, simple structure, convenient use is larger to carry
The treatment effeciency of differential arc oxidation and electro-deposition high, and it is convenient to change sample, fast.
It is a kind of to carry out the method that magnesium alloy batch differential arc oxidation and electro-deposition are surface-treated using said apparatus, it include with
Lower step：
The first step, pending magnesium alloy sample surfaces are pre-processed：
Pending sample surfaces pretreatment is very necessary, and surface preparation can improve the effect of final film layer.It is pretreated
Journey includes：Magnesium alloy sample is placed in absolute ethyl alcohol and acetone, ultrasonic vibration, removes surface and oil contaminant and other debris；Configuration
Electrobrightening, to pending sample surfaces electrobrightening, the sample after being polished with washes of absolute alcohol takes out sample, dries
It is stand-by.
Second step, by recipe configuration differential arc oxidation treatment fluid, is uniformly mixed, and be added in reactive tank；
Bath composition can directly affect film quality.According to film layer needs, treatment fluid system primarily now includes silicate
System, phosphate system and aluminates system.Differential arc oxidation treatment fluid addition is the 70%- of reactive tank volume in reactive tank
90%.The treatment fluid used in the batch differential arc oxidation method that the present invention is provided is phosphate system, and its composition is：Sodium phosphate
54g/L, NaOH 2g/L and glycerine 6mL/L.NaOH is used to adjust pH, and glycerine is used to weaken point discharge phenomenon.
Need to be sufficiently stirred for mixing before use.
3rd step, pending magnesium alloy sample is connected with device；
4th step, sets power supply relevant parameter, switches on power, and carries out Microarc Oxidation Surface Treatment；Differential arc oxidation treatment temperature is
Room temperature（About 25 DEG C）, after treatment 20min, magnesium alloy sample is taken out, cleaned with deionized water, dry.The pattern of gained sample is shown in
Fig. 3 and 4, Fig. 3 surface topography map show：Differential arc oxidation forms microcellular structure in Mg alloy surface, and micropore is evenly distributed, micropore chi
Very little difference is smaller, and surface roughness is low；Fig. 4 Cross Section Morphologies show that differential arc oxidation coating thickness distribution is uniform, more consistent, the differential of the arc
The average thickness of oxide covering is 13.3 μm.
Power parameter is the key factor for influenceing differential arc oxidation film layer effect.In the differential arc oxidation method that the present invention is provided
Power supply relevant parameter can be：Voltage is adjusted between 200V to 310V；Frequency is adjusted between 500Hz to 1000Hz；Duty
Than being adjusted between 5% to 20%.For the batch micro arc oxidation treatment device that the present invention is provided, the above-mentioned electricity obtained by experiment
Parameter is the preferred electrical parameter of ideal treatment effect.In the differential arc oxidation incipient stage, voltage, toward rising, leads to since certain value
The mode of overvoltage step reaches treatment magnitude of voltage, and which is convenient to be operated, and protection power supply, and the film layer of acquisition is also more caused
It is close.
5th step, while the differential arc oxidation treatment fluid in reactive tank is poured out and reactive tank is cleaned, configures electrodeposition process
Liquid, is added in reactive tank after being well mixed；Electrodeposition process liquid, calcium nitrate 2.48g/L, sodium nitrate are configured in the following order
8.5g/L, ammonium dihydrogen phosphate 0.72g/L, hydrogen peroxide 10mL/L, mixing and stirring.
6th step, the magnesium alloy sample and device that differential arc oxidation is treated（Now, the stainless steel cylinder in device is needed more
It is changed to column graphite electrode）It is again coupled to；Add running water in temperature control tank, and adjust in temperature control tank water temperature at 80 DEG C or so.
7th step, sets power supply relevant parameter, and sample switches on power, and carries out electro-deposition surface treatment；Applied in differential arc oxidation
On the basis of layer, sealing pores are carried out to differential arc oxidization surface micropore using electro-deposition.Current density is 5mA/cm2, according to sample
Surface area, calculates the electric current used by electro-deposition, sets power supply relevant parameter, positive source connection column graphite electrode, electricity
Source negative pole connection magnesium alloy sample.Treatment temperature is kept for 80 DEG C, and process time is 20min.
8th step, after treatment terminates, takes out magnesium alloy sample, is cleaned with deionized water, is drying to obtain.Last gained sample
Pattern see Fig. 5 and 6.It can be seen that after electrodeposition process, the micropore of differential arc oxidization surface has been covered by Ca-P salt in Fig. 5,
Coating is complete and shows preferable uniformity.Fig. 6 is the Cross Section Morphology figure of composite coating after differential arc oxidation/electrodeposition process,
It can be seen that：Composite coating thickness distribution more uniformity, average coating thickness is 19.1 μm.Fig. 7 gives magnesium alloy base
The polarization curve of body, differential arc oxidation coating, differential arc oxidation/electro-deposition composite coating sample, can be seen that in figure：By batch
The sample that differential arc oxidation is prepared, with matrix phase ratio, its corrosion potential is raised, and corrosion electric current density reduces an order of magnitude；Batch
Sample after amount differential arc oxidation treatment, then Ca-P salt composite coatings are prepared by being electrodeposited in surface, corrosion potential enters compared with matrix
One step is raised, corrosion electric current density two orders of magnitude of reduction.
Compared with prior art, the present invention is provided magnesium alloy batch differential arc oxidation/electro-deposition surface processing device and side
Method, because single can process multiple magnesium alloy samples, significantly improves efficiency, has saved the time.Additionally, device design is closed
Reason, convenient operation, the physical environment residing for each sample is consistent, is imitated with the differential arc oxidation coating/electrodeposited coating of batch sample
It is really more consistent, and each sample surfaces differential arc oxidation/electrodeposited coating, than more uniform, its decay resistance is compared with magnesium matrix
It is greatly improved.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill in the field
For art personnel, can according to the above description be subject to modifications and variations.It is all within the spirit and principles in the present invention, made appoint
What modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of magnesium alloy batch differential arc oxidation and/or the surface processing device of electro-deposition, it is characterised in that including electric installation,
Temperature control tank and the reactive tank being placed in temperature control tank；Uniform intervals are provided with some heating rods, and heating rod in the temperature control tank
Uniformly arranged along the excircle of reactive tank, agitating device is provided with reactive tank；
The electric installation include insulation support plate and arrangement circuit, if the arrangement circuit by electric power connection line, toroidal conductor and
Dry-eye disease connecting line is constituted, and electric power connection line one end is connected with toroidal conductor, electric power connection line other end connection power supply；Sample
Connecting line along toroidal conductor even circumferential, be spaced, and sample connecting line upper end it is vertical with toroidal conductor be connected, it is described
Insulation support plate is located at toroidal conductor lower section, and corresponding corresponding to being offered at the position of sample connecting line on insulation support plate
Hole, sample connecting line is passed down through insulation support plate and stretches out outside insulation support plate, and the end of sample connecting line is used to connect treats
The magnesium alloy sample for the treatment of；The center position of insulation support plate is provided with columnar electrode, and insulation branch is stretched out in the upper end of columnar electrode
Outside fagging and power supply is connected, the bearing of trend of columnar electrode lower end is identical with sample connecting line and parallel with sample connecting line,
The longitudinal center line of columnar electrode coincides with the center line of toroidal conductor；
Differential arc oxidation treatment when, the columnar electrode be stainless steel cylinder, columnar electrode connection power cathode, electric power connection line with
Positive source is connected；
During electrodeposition process, the columnar electrode be column graphite electrode, columnar electrode connection positive source, electric power connection line with
Power cathode is connected.
2. magnesium alloy batch differential arc oxidation according to claim 1 and/or the surface processing device of electro-deposition, its feature exist
In the quantity of the sample connecting line is 1-50；And each sample connecting line is to stainless steel cylinder/column graphite surface
Horizontal range it is equal, spacing range is in 3cm-20cm.
3. magnesium alloy batch differential arc oxidation according to claim 2 and/or the surface processing device of electro-deposition, its feature
It is that the spacing range of two neighboring sample connecting line is 1 cm-16cm.
4. magnesium alloy batch differential arc oxidation according to claim 3 and/or the surface processing device of electro-deposition, its feature exist
In using magnesium rod as connection sample wire.
5. 1 to 4 any described device of usage right requirement carries out the surface treatment method of magnesium alloy batch differential arc oxidation, its feature
It is to comprise the following steps：
（1）Pending magnesium alloy sample surfaces are pre-processed；
（2）Configuration differential arc oxidation treatment fluid, is well mixed, and is added in reactive tank；
（3）Pending magnesium alloy sample is connected with device；
（4）Setting power supply relevant parameter, sample switches on power, and carries out Microarc Oxidation Surface Treatment；
（5）After treatment terminates, magnesium alloy sample is taken out, cleaned with deionized water, be drying to obtain.
6. 1 to 4 any described device of usage right requirement carries out the surface treatment method of magnesium alloy batch electro-deposition, and its feature exists
In comprising the following steps：
（1）Pending magnesium alloy sample surfaces are pre-processed；
（2）Configuration electrodeposition process liquid, is well mixed, and is added in reactive tank；
（3）Pending magnesium alloy sample is connected with device；
（4）Running water is added in temperature control tank, and it is 60 DEG C -90 DEG C to adjust water temperature in temperature control tank；
（5）Setting power supply relevant parameter, sample switches on power, and carries out electro-deposition surface treatment；
（6）After treatment terminates, magnesium alloy sample is taken out, cleaned with deionized water, be drying to obtain.
7. 1 to 4 any described device of usage right requirement carries out the surface treatment side of magnesium alloy batch differential arc oxidation and electro-deposition
Method, it is characterised in that comprise the following steps：
（1）Pending magnesium alloy sample surfaces are pre-processed；
（2）Configuration differential arc oxidation treatment fluid, is well mixed, and is added in reactive tank；
（3）Pending magnesium alloy sample is connected with device；
（4）Setting power supply relevant parameter, sample switches on power, and carries out Microarc Oxidation Surface Treatment；
（5）After treatment terminates, magnesium alloy sample is taken out, cleaned with deionized water, dried；Simultaneously by the differential arc oxidation in reactive tank
Treatment fluid is poured out and cleans reactive tank, configures electrodeposition process liquid, is added in reactive tank after being well mixed；
（6）By step（5）The treated magnesium alloy sample of differential arc oxidation is connected with device；Running water is added in temperature control tank, and
Water temperature is 60 DEG C -90 DEG C in regulation temperature control tank；
（7）Setting power supply relevant parameter, sample switches on power, and carries out electro-deposition surface treatment；
（8）After treatment terminates, magnesium alloy sample is taken out, cleaned with deionized water, be drying to obtain.
8. the surface treatment method of magnesium alloy batch differential arc oxidation is carried out according to claim 5, it is characterised in that step
（2）Reactive tank in differential arc oxidation treatment fluid addition for reactive tank volume 70%-90%；Step（4）Described in power supply it is related
Parameter is：Voltage range is 200V-400V, and dutycycle is 5%-20%, and frequency is 500Hz-1000Hz；Differential arc oxidation treatment
Carry out at room temperature, process time is 10 min-30min.
9. the surface treatment method of magnesium alloy batch electro-deposition is carried out according to claim 6, it is characterised in that step（2）
Reactive tank in electrodeposition process liquid addition for reactive tank volume 70%-90%；Step（5）Described in power supply relevant parameter：
Current density is 0.1mA/cm2- 20mA/cm2；Electrodeposition process temperature is 60 DEG C -90 DEG C, and process time is 10 min-
50min。
10. the surface treatment method of magnesium alloy batch differential arc oxidation and electro-deposition, its feature are carried out according to claim 7
It is, step（4）Described in power supply relevant parameter be：Voltage range is 200V-400V, and dutycycle is 5%-20%, and frequency is
500Hz-1000Hz；Differential arc oxidation treatment is carried out at room temperature, and process time is 10 min-30min；Step（7）Described in
Power supply relevant parameter：Current density is 0.1 mA/cm2- 20mA/cm2；Electrodeposition process temperature is 60 DEG C -90 DEG C, during treatment
Between be 10 min-50min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049415.1A CN106929898A (en) | 2017-01-23 | 2017-01-23 | A kind of magnesium alloy batch differential arc oxidation and/or electro-deposition surface processing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049415.1A CN106929898A (en) | 2017-01-23 | 2017-01-23 | A kind of magnesium alloy batch differential arc oxidation and/or electro-deposition surface processing device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835775A (en) * | 2019-12-06 | 2020-02-25 | 浙江工业大学 | Device for improving corrosion resistance of magnesium alloy |
| CN111850662A (en) * | 2020-08-21 | 2020-10-30 | 河南省正骨研究院 | Device for carrying out large-batch electrochemical treatment on small test piece |
| CN114182321A (en) * | 2021-12-09 | 2022-03-15 | 西比里电机技术(苏州)有限公司 | Medical implant material surface treatment device |
| WO2022165961A1 (en) * | 2021-02-02 | 2022-08-11 | 山东省科学院新材料研究所 | Magnesium alloy ultrahigh-porosity micro-arc oxidation coating, preparation method therefor and use thereof |
| CN115125599A (en) * | 2021-08-03 | 2022-09-30 | 天津科技大学 | Device for preparing porous anodic aluminum oxide film |
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| CN101709496A (en) * | 2009-11-30 | 2010-05-19 | 郑州大学 | Micro-arc oxidation-electrodeposition preparation method of magnesium-based bioactive coating |
| CN204727979U (en) * | 2015-05-25 | 2015-10-28 | 苏州奥芮济医疗科技有限公司 | A kind of for biologic medical magnesium metal mass surface-treated device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101709496A (en) * | 2009-11-30 | 2010-05-19 | 郑州大学 | Micro-arc oxidation-electrodeposition preparation method of magnesium-based bioactive coating |
| CN204727979U (en) * | 2015-05-25 | 2015-10-28 | 苏州奥芮济医疗科技有限公司 | A kind of for biologic medical magnesium metal mass surface-treated device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835775A (en) * | 2019-12-06 | 2020-02-25 | 浙江工业大学 | Device for improving corrosion resistance of magnesium alloy |
| CN111850662A (en) * | 2020-08-21 | 2020-10-30 | 河南省正骨研究院 | Device for carrying out large-batch electrochemical treatment on small test piece |
| WO2022165961A1 (en) * | 2021-02-02 | 2022-08-11 | 山东省科学院新材料研究所 | Magnesium alloy ultrahigh-porosity micro-arc oxidation coating, preparation method therefor and use thereof |
| CN115125599A (en) * | 2021-08-03 | 2022-09-30 | 天津科技大学 | Device for preparing porous anodic aluminum oxide film |
| CN115125599B (en) * | 2021-08-03 | 2023-09-12 | 天津科技大学 | Device for preparing porous anodic aluminum oxide film |
| CN114182321A (en) * | 2021-12-09 | 2022-03-15 | 西比里电机技术(苏州)有限公司 | Medical implant material surface treatment device |
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Application publication date: 20170707 |