CN208472205U - A kind of device controlling enhanced particles compound quantity in aluminum alloy differential arc oxidation composite membrane - Google Patents
A kind of device controlling enhanced particles compound quantity in aluminum alloy differential arc oxidation composite membrane Download PDFInfo
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- CN208472205U CN208472205U CN201821069668.1U CN201821069668U CN208472205U CN 208472205 U CN208472205 U CN 208472205U CN 201821069668 U CN201821069668 U CN 201821069668U CN 208472205 U CN208472205 U CN 208472205U
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- electrolytic cell
- arc oxidation
- differential arc
- aluminum alloy
- composite membrane
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Abstract
The utility model discloses a kind of devices of enhanced particles compound quantity in control aluminum alloy differential arc oxidation composite membrane, including mao power source, agitating device, temperature measuring equipment, electrolytic cell and circulating water cooling device, the electrolytic cell is arranged in the sink of circulating water cooling device, the agitating device, temperature measuring equipment is set in electrolytic cell, the cell wall of electrolytic cell and the cathode of mao power source are connected by electric wire, the anode of mao power source is connect with workpiece to be processed, described device further includes CCD recorder and passes through the VC-HR type infrared thermal imager of connection with CCD recorder, computer.The equipment realizes enhanced particles compound quantity in control aluminum alloy differential arc oxidation composite membrane, and the corrosion resisting property and wear-resisting property of differential arc oxidation compound film layer can be improved.
Description
Technical field
The utility model relates to Microarc Oxidation Surface Treatment device more particularly to a kind of control aluminum alloy differential arc oxidation are compound
The device of enhanced particles compound quantity in film.
Background technique
Differential arc oxidation is a kind of process for treating surface in non-ferrous metal surface growth in situ ceramic layer, and electric physics is utilized
The micro-arc oxidation films of non-ferrous metal surface are covered with combination technological methods, formation such as electrochemistry.The combination of oxidation film layer and matrix
Power is strong, hardness is high, wearability, corrosion resistance, thermal shock resistance are high, and film layer electrical insulating property is good, breakdown voltage is high.
Current differential arc oxidization technique device is imposed by the electrolyte containing salt metal or its alloy and second phase particles
High voltage forms Micro-Arc Oxidized Ceramic Coating in non-ferrous metal surface.But micro-arc oxidation process is complicated, is difficult to enhanced particles
Compound quantity is controlled, it is therefore desirable to improve to original Microarc Oxidation Surface Treatment device.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of control aluminum alloy differential arc oxidations
The device of enhanced particles compound quantity in composite membrane, it is intended to solve the compound quantity that existing micro-arc oxidation device is difficult to control composite membrane
The technical issues of.
In order to achieve the above object, this invention takes following technical schemes:
A kind of device controlling enhanced particles compound quantity in aluminum alloy differential arc oxidation composite membrane, including mao power source,
The sink of circulating water cooling device is arranged in agitating device, temperature measuring equipment, electrolytic cell and circulating water cooling device, the electrolytic cell
Interior, the agitating device, temperature measuring equipment are set in electrolytic cell, and the cell wall of electrolytic cell and the cathode of mao power source pass through electricity
Line connection, the anode of mao power source are connect with workpiece to be processed, and the anode of connector and mao power source is connected by electric wire
It connects, which is characterized in that described device further includes CCD recorder and infrared by the VC-HR type of connection with CCD recorder
Thermal imaging system, computer.
In the control aluminum alloy differential arc oxidation composite membrane in the device of enhanced particles compound quantity, set in the electrolytic cell
There is the clamping device for fixing workpiece to be processed, the clamping device is not contacted with the cell wall of electrolytic cell, set on clamping device
There is the anode of positive contact and mao power source to connect by electric wire.
In the control aluminum alloy differential arc oxidation composite membrane in the device of enhanced particles compound quantity, the side wall of the electrolytic cell
It is equipped with observation window, the height of the camera lens of the clamped height and VC-HR type infrared thermal imager for observing window position and workpiece
Unanimously.
In the control aluminum alloy differential arc oxidation composite membrane in the device of enhanced particles compound quantity, the electrolytic cell is by stainless
Steel tank is made.
In the control aluminum alloy differential arc oxidation composite membrane in the device of enhanced particles compound quantity, the agitating device is vertical
Formula blender.
The utility model has the advantages that the equipment is formed using molten bath in infrared thermal imaging technique monitoring micro-arc oxidation process, was solidified
Temperature change in journey controls electrolyzer temperature by circulating water cooling device, and then controls enhanced particles differential arc oxidation process,
It selects electrical parameter appropriate and solution parameter that can prepare functional membrane of different nature, it is multiple to realize control aluminum alloy differential arc oxidation
Enhanced particles compound quantity in film is closed, the corrosion resisting property and wear-resisting property of differential arc oxidation compound film layer can be improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of enhanced particles compound quantity device in the control aluminum alloy differential arc oxidation composite membrane.
Fig. 2 is the electricity with peep hole of enhanced particles compound quantity device in the control aluminum alloy differential arc oxidation composite membrane
Solve the structural schematic diagram of slot and its power supply.
Specific embodiment
The utility model provides a kind of device for controlling enhanced particles compound quantity in aluminum alloy differential arc oxidation composite membrane, to make
The purpose of the present invention, technical solution and effect are clearer, clear, further to the present invention as follows in conjunction with drawings and embodiments
It is described in detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, the utility model provides enhanced particles compound quantity in a kind of control aluminum alloy differential arc oxidation composite membrane
Device, including mao power source 6, agitating device 4, temperature measuring equipment 3, electrolytic cell 5 and circulating water cooling device 1, the electricity
Solution slot 5 is arranged in the sink of circulating water cooling device 1, and the upper end of the sink is provided with cooling water outlet, and lower end is provided with
Cooling water inlet, the agitating device 4, temperature measuring equipment 3 are set in electrolytic cell, the cell wall and mao power source 1 of electrolytic cell 5
Cathode connected by electric wire, the anode of mao power source 2 connect with workpiece to be processed, and described device further includes that CCD is recorded
Instrument 8 and the VC-HR type infrared thermal imager 7 with CCD recorder 8 by connection, computer 9, the VC-HR type are infrared
Thermal imaging system 7, CCD recorder 8, computer 9 are connected with the mains respectively.
The temperature resolution of VC-HR type infrared thermal imager 7 reaches 0.08 DEG C, can survey 2000 DEG C of high temperature, spatial resolution
1.3mrad can effectively monitor in micro-arc oxidation process the formation in workpiece surface molten bath to be processed, process of setting in electrolytic cell
In temperature change.And the device of the monitoring aluminum alloy differential arc oxidation process is furnished with CCD recorder 8, can obtain in real time simultaneously
Temperature, thermal change and the bore hole size of micro-arc oxidation films forming process, the information of distribution are recorded, effective Feedback aluminium alloy is micro-
Arc oxidation process.The information that matched computer 9 is used to analyze processing VC-HR type infrared thermal imager and CCD recorder 8 acquires.
After the generation of micro- electric arc, it is reacted into the differential arc oxidation stage, differential arc oxidation electric discharge is always relatively thin in ceramic film
Weak place carries out first, and the Al in discharge channel is injected into solution, forms colloidal solid, under the action of electric field force, and returns
It returns in discharge channel, is pyrolyzed at a high temperature of ceramic film a certain weakness plasma, meanwhile, enhanced particles occur molten
Melt.In addition, under the high temperature action of discharge channel, Al atom and Al3+And with active reaction particle (such as O in oxygen plasma2
And O) reaction generation Al2O3.Big current density and high temperature in discharge process promotes SiO again3 2-And AlO2 ?In oxonium ion exist
Anode loses electronics, generates oxygen and participates in forming oxygen plasma, while the insoluble matter SiO generated2And Al2O3.What reaction generated
The enhanced particles of melt substance and molten state in discharge channel by ejecting, and electrolyte contacts, and rapid cooling, is deposited in
It discharges around hole, thicknesses of layers is caused to increase.So duplicate electric discharge continues in other weakness again.
During discharge, also with the Al of generation2O3The phase transition process generated at a high temperature of discharge channel, before this shape
At unsetting aluminium oxide, γ-Al is subsequently becomed2O3Phase, and γ-Al2O3It is not thermodynamically stable phase, is changed at high temperature
α-Al2O3, film hardness is caused to increase.
Electrolyte temperature is higher, sample and solution interface it is water more severe, solution generates splashing, makes Metal Substrate body surface
Face is difficult to form oxidation film, the enhanced dissolution rate of film layer, while being also unfavorable for the solidification of molten state enhanced particles, crystallization, makes
Oxidation film growth rate slows down.
Therefore, described device is using the temperature change in infrared thermal imaging technique monitoring molten bath formation, process of setting, to multiple
It closes enhanced particles form in film to be monitored, electrolyzer temperature is controlled by circulating water cooling device, and then control and strengthen grain
Sub- differential arc oxidation process, realization control enhanced particles compound quantity.
The clamping device (not shown) for fixing workpiece to be processed, the clamping device are equipped in the electrolytic cell
It is not contacted with the cell wall of electrolytic cell, clamping device is equipped with positive contact and the anode of mao power source is connected by electric wire.
Differential arc oxidation reaction is fierce, and workpiece is easy to produce vibration and displacement, and clamping device can be such that VC-HR type infrared thermal imager 7 surveys
Test result is more accurate, further to the monitoring of differential arc oxidation reaction process.
Fig. 1 and 2 is please referred to, specifically, Packed observation window 11, the observation window are set on the side wall of the electrolytic cell 5
The camera lens of the clamped height and VC-HR type infrared thermal imager 7 of the clamping device 10 of 11 position and fixed workpiece to be processed
Height is on same level straight line.The sealed set of observation window can prevent the liquid of electrolyte 2 Yu circulating water cooling device 1
Exchange reduces the concentration of electrolyte 2.Observation window use transparent material, can be used for long range operating microscope observe and record it is micro-
The electric discharge phenomena of specimen surface in arc oxidation process can also make VC-HR type 7 test results of infrared thermal imager more accurate,
Further differential arc oxidation reaction process is monitored.
Preferably, the electrolytic cell is made of stainless steel sink, can be good at participating in reaction as cathode.
Specifically, the agitating device 4 is vertical stirrer, and revolution is 200 rpm.To reinforce mass transfer effect, reinforce molten
The flowing of liquid, make be component uniform, electrolyte convection circulation, improve the dispersibility of enhanced particles, while accelerating to distribute oxidation
The heat that surrounding them generates in the process, improves the film-formation result of differential arc oxidation film layer.
Described device can form uniform film layer on complicated component and hollow component.
In addition to aluminium alloy, described device can also prepare ceramic layer in the metals such as Zr, Ti, Mg, Ta, Nb and its alloy surface,
It especially is difficult to the alloy handled with conventional anodization, such as the relatively high aluminium alloy of copper content, the higher casting aluminium of silicone content
Alloy and magnesium alloy etc..
By changing process conditions and adding colloidal particles in the electrolytic solution, described device can easily adjust film layer
Microstructure characteristic, new microstructure is obtained, to realize the Functional Design of film layer.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (5)
1. the device of enhanced particles compound quantity in a kind of control aluminum alloy differential arc oxidation composite membrane, which is characterized in that including the differential of the arc
Power supply, agitating device, temperature measuring equipment, electrolytic cell and circulating water cooling device are aoxidized, the electrolytic cell is arranged in circulating water
In the sink of device, the agitating device, temperature measuring equipment are set in electrolytic cell, the cell wall of electrolytic cell and mao power source
Cathode is connected by electric wire, and the anode of mao power source connect with workpiece to be processed, described device further include CCD recorder with
And the VC-HR type infrared thermal imager with CCD recorder by connection, computer.
2. the device of enhanced particles compound quantity, special in control aluminum alloy differential arc oxidation composite membrane according to claim 1
Sign is, is equipped with the clamping device for fixing workpiece to be processed in the electrolytic cell, the clamping device not with electrolytic cell
Cell wall contact, clamping device are equipped with positive contact, are connect with the anode of mao power source by electric wire.
3. the device of enhanced particles compound quantity, special in control aluminum alloy differential arc oxidation composite membrane according to claim 1
Sign is that the side wall of the electrolytic cell is equipped with observation window, the height of the observation window and the clamped height of workpiece and VC-HR type
The height of the camera lens of infrared thermal imager is consistent.
4. the device of enhanced particles compound quantity, special in control aluminum alloy differential arc oxidation composite membrane according to claim 1
Sign is that the electrolytic cell is made of stainless steel sink.
5. the device of enhanced particles compound quantity, special in control aluminum alloy differential arc oxidation composite membrane according to claim 1
Sign is that the agitating device is vertical stirrer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821069668.1U CN208472205U (en) | 2018-07-06 | 2018-07-06 | A kind of device controlling enhanced particles compound quantity in aluminum alloy differential arc oxidation composite membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821069668.1U CN208472205U (en) | 2018-07-06 | 2018-07-06 | A kind of device controlling enhanced particles compound quantity in aluminum alloy differential arc oxidation composite membrane |
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| Publication Number | Publication Date |
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| CN208472205U true CN208472205U (en) | 2019-02-05 |
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| CN201821069668.1U Active CN208472205U (en) | 2018-07-06 | 2018-07-06 | A kind of device controlling enhanced particles compound quantity in aluminum alloy differential arc oxidation composite membrane |
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