CN102226289A - Liquid phase plasma enhanced nano composite coating apparatus and its application method - Google Patents
Liquid phase plasma enhanced nano composite coating apparatus and its application method Download PDFInfo
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- CN102226289A CN102226289A CN2011101587480A CN201110158748A CN102226289A CN 102226289 A CN102226289 A CN 102226289A CN 2011101587480 A CN2011101587480 A CN 2011101587480A CN 201110158748 A CN201110158748 A CN 201110158748A CN 102226289 A CN102226289 A CN 102226289A
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Abstract
The invention discloses a liquid phase plasma enhanced nano composite coating apparatus, The apparatus comprises a stirrer, a temperature controller, an electrolytic bath, a heater, a magnetic drive pump, a filter, a flow control valve, a cathode, a high voltage DC power supply, an anode and a strengthening chamber, the stirrer, the temperature controller and the heater are arranged in the electrolytic bath; One end of the magnetic drive pump is connected with the electrolytic bath, the other end of the magnetic drive pump is connected with the strengthening chamber through the filter; the flow control valve is provided between the filter and the strengthening chamber; a backflow on the bottom of the strengthening chamber is connected with the electrolytic bath; cathode and anode connected with the high voltage DC power supply are arranged in the strengthening chamber. The invention has the characteristics of simple structure, low cost and strong practicality. Liquid phase plasma enhanced nano composite coating is performed by the apparatus provided in the invention, liquid phase plasma are generated in the self-organizing original position in electrolyte system, the strengthening process is performed under a normal temperature, which has a simple process and convenient operation.
Description
Technical field
The present invention relates to a kind of device and using method thereof of nano-composite plate, specifically a kind of liquid phase plasma reinforced nano composite deposite device and using method thereof.
Background technology
At present, based on the excellent specific property of nano material and application widely, the preparation of nano-composite plate has become one of nanosecond science and technology research forward position and focus with sign.The nano composite plating layer material carries out codeposition acquisition with the nanoparticle of various different purposes by electrochemical method at metal simple-substance or alloy, on the whole, the nano composite plating layer material has and obtains to have specified property, can satisfy the application demand of different occasions.R﹠D institution of institute is engaged in the preparation research of nano-composite plate surplus in the of present domestic 10, and for example Zhu Di scientific research team adopts the pulse power or direct current groove plating mode to prepare Ni-SiC, Ni-ZrO after calendar year 2001 respectively
2, Ni-LaO
3Deng nano-composite plate.Xu Bin scholar academician adopts technique of brush plating with SiO
2, nanoparticle deposition such as diamond is to base metal, discover that such matrix material also has physics, chemical properties such as good wear resistance and erosion resistance, and its successful Application has been arrived in the reparation of waste and old component (for example aircraft engine), become and make one of indispensable means in field again.Also have the scientific research personnel to attempt in electrodeposition process, introducing ultrasonic wave recently and assist all kinds of nano-composite plates of manufacturing, found that hyperacoustic cavitation effect can obviously improve the compounding quantity of composite deposite, makes that its over-all properties is more outstanding.Basically be based on for above-mentioned research that conventional principles of electro-deposition carries out, exist between distinct issues composite deposite and the matrix metal and belong to mechanical bond, bonding strength is lower, and this further application influence for composite deposite is huge.
In order to improve the bonding strength of composite deposite, the researchist has also proposed a lot of methods, and present modal method is to adopt high-intensity laser that composite deposite is carried out cladding to handle.The control laser technical parameters utilizes the quick refrigerative characteristics of laser rapid heating, with the material melts of coating junction, and infiltration, and produce recrystallization, and make both combinations change metallurgical binding into by simple mechanical bond, improved the bonding strength of coating.In addition through can also further improving the microhardness of coating after the laser treatment.But laser melting and coating process also has following significant disadvantages: processing parameter is difficult to control, repeatability is relatively poor, with high costs, power consumption is serious etc.
Summary of the invention
In order to overcome the problem that prior art exists, the purpose of this invention is to provide a kind of liquid phase plasma reinforced nano composite deposite device and using method thereof, this apparatus structure is simple, with low cost, and is practical.Adopt this device to carry out liquid phase plasma reinforced nano composite deposite, liquid phase plasma self-organization original position in electrolyte system generates, strengthening process carries out at normal temperatures, and technology is simple, easy to operate, has solved the low defective of bonding strength that current composite deposite preparation occurs.
The objective of the invention is to be achieved through the following technical solutions:
A kind of liquid phase plasma reinforced nano composite deposite device, it is characterized in that: this device comprises agitator, temperature controller, electrolytic bath, well heater, magnetic drive pump, filter, flow control valve, negative electrode, high-voltage DC power supply, anode and reinforcement chamber, and agitator, temperature controller and well heater are arranged in the electrolytic bath; One end of magnetic drive pump is connected with electrolytic bath, and the other end is connected with the reinforcement chamber by filter; Between filter and reinforcement chamber, be provided with flow control valve; The refluxing opening of strengthening the bottom, chamber is connected with electrolytic bath; It is indoor that negative electrode that is connected with high-voltage DC power supply and anode are arranged on reinforcement.
The present invention is provided with spinner-type flowmeter between the outlet at bottom of strengthening the chamber and filter.
A kind of using method of liquid phase plasma reinforced nano composite deposite device, these method concrete steps are as follows:
1) by agitator the electrolytic solution in the electrolytic bath is mixed all, by temperature controller and well heater to the electrolytic solution heating and be controlled at design temperature; Design temperature can be 40 ~ 45 ℃, and electrolyte temperature remains on 40 ~ 45 ℃;
2) by magnetic drive pump and strainer the electrolytic solution in the electrolytic bath is pumped to the reinforcement chamber;
3) adopting unplated piece is negative electrode, and stainless steel is an anode, and negative electrode is connected with high-voltage DC power supply with anode; Electrolytic solution is back in the electrolytic bath by the refluxing opening of strengthening the bottom, chamber, finishes the circulation of elecrolyte process;
4) open high-voltage DC power supply, apply voltage and surpass 300V, produce arc light azury,, form the little hole of discharge, obtain obviously fine and close coating at negative electrode unplated piece coating surface through behind the 3-7min on negative electrode unplated piece surface.
Among the present invention, bath composition is: methane amide (HCONH
2): 10 ~ 20 g/L, KCl:5 ~ 10 g/L, all the other are water.
Liquid phase plasma reinforcing process principle of the present invention as shown in Figure 1, high-voltage DC power supply provides liquid phase plasma needed voltage breakdown, nano-composite plate connects the negative pole of direct supply as negative electrode, anode connects the positive pole of power supply.Magnetic drive pump, filter, flow control valve, spinner-type flowmeter are responsible for the electrolytic solution in the electrolytic bath is pumped in the reinforcement chamber with certain flow.
In specific electrolytic solution, if when the voltage between negative and positive the two poles of the earth surpasses voltage breakdown, electric discharge phenomena will take place in the high strength of electric field of the electromotive force sudden change generation at negative electrode and electrolyte interface place.Be accompanied by arc light and produce this moment.Because discharge can produce between cathode surface and electrolytic solution and be different from solid-state, liquid, gasiform material the 4th attitude " plasma body ".Plasma body can reach very high temperature, has high energy density (10
4~ 10
6W/mm
2), high-octane plasma body is heated to the consolidation state with the extremely short time with plating piece and matrix, makes coating material and body material interpenetrate, and forms recrystallized structure, the real metallurgical binding that realizes both has improved coating and high base strength greatly.
The present invention utilizes the powerful heat effect of liquid phase plasma that nano-composite plate is strengthened, and forms the nano-composite plate with metallurgical binding.This apparatus structure is simple, with low cost, and is practical.Adopt this device to carry out liquid phase plasma reinforced nano composite deposite, liquid phase plasma self-organization original position in electrolyte system generates, strengthening process carries out at normal temperatures, and technology is simple, easy to operate, has solved the low defective of bonding strength that current composite deposite preparation occurs.
Description of drawings
Fig. 1 is a liquid phase plasma strengthening process synoptic diagram.
Embodiment
Nanometer Cu-Al
2O
3The composite deposite reinforcing process.
Coating body material: No. 45 steel; Thickness of coating 0.1mm.Anode material: stainless steel.
Bath composition: methane amide (HCONH
2): 10 ~ 20 g/L, KCl:5 ~ 10 g/L, all the other are water.
A kind of liquid phase plasma reinforced nano composite deposite device, this device comprises agitator 1, temperature controller 2, electrolytic bath 3, well heater 4, magnetic drive pump 5, filter 6, flow control valve 7, spinner-type flowmeter 8, negative electrode 9; High-voltage DC power supply 10; Anode 11, reinforcement chamber 12.Agitator, temperature controller and well heater are arranged in the electrolytic bath; One end of magnetic drive pump is connected with electrolytic bath, and the other end is connected with the reinforcement chamber by filter; Between filter and reinforcement chamber, be provided with flow control valve; The refluxing opening of strengthening the bottom, chamber is connected with electrolytic bath; It is indoor that negative electrode that is connected with high-voltage DC power supply and anode are arranged on reinforcement.
A kind of method that adopts the liquid phase plasma body device to carry out nano-composite plate, this method self-organization original position in specific electrolyte system generates.Strengthening process carries out at normal temperatures, the similar general electro-deposition system of its process unit, and equipment is simple, and is with low cost.Concrete steps are as follows:
At first will pump to through the pressurization of magnetic drive pump 5 and strainer 6 with after filtering from electrolytic bath 3 and strengthen chamber 13 through the electrolytic solution of equipment temperature controls such as agitator 1, temperature controller 2, electrolytic bath 3, well heater 4, electrolytic solution is last to be back in the electrolytic bath 3 by the refluxing opening of strengthening 12 bottoms, chamber again, finishes the circulation of elecrolyte process.
Provide generation liquid phase plasma institute essential voltage at high-voltage DC power supply 10.Wherein composite deposite connects the negative pole 9 of power supply, and stainless steel anode 11 connects positive source.In the strengthening process, electrolyte temperature keeps 40 ~ 45 ℃.
The strengthening process of composite deposite carries out in strengthening chamber 12, found that the raising gradually along with galvanic deposit voltage, and having produced bubbles volume on the needle electrode surface increases gradually, and evolving hydrogen reaction is obvious.After voltage is brought up to a certain degree, electrolytic solution comes to life gradually around the electrode, the a large amount of gases that produce wrap up entire electrode gradually, the gas that produces has formed a complete air film sample has been wrapped in wherein, electrode and electrolytic solution are on every side broken away from fully, begin to take place local air film disruptive spark electric discharge phenomena this moment, and be accompanied by bubble eruption sound
When applying voltage above 300V, produced arc light azury on negative electrode plating piece surface, approximately stop test behind the 5min.Observe and find that coating surface has formed the little hole of many discharges, formed the strengthening layer of obvious densification.Part nano particle and metal ion have entered matrix inside and have produced alloying in the preliminary test shows composite deposite of XRD.
The present invention utilizes the powerful heat effect of liquid phase plasma that nano-composite plate is strengthened, and forms the nano-composite plate with metallurgical binding.This apparatus structure is simple, with low cost, and is practical.Adopt this device to carry out liquid phase plasma reinforced nano composite deposite, liquid phase plasma self-organization original position in electrolyte system generates, strengthening process carries out at normal temperatures, and technology is simple, easy to operate, has solved the low defective of bonding strength that current composite deposite preparation occurs.
Claims (5)
1. liquid phase plasma reinforced nano composite deposite device, it is characterized in that: this device comprises agitator (1), temperature controller (2), electrolytic bath (3), well heater (4), magnetic drive pump (5), filter (6), flow control valve (7), negative electrode (9), high-voltage DC power supply (10), anode (11) and strengthens chamber (12) that agitator (1), temperature controller (2) and well heater (4) are arranged in the electrolytic bath (3); One end of magnetic drive pump (5) is connected with electrolytic bath (3), and the other end is connected with reinforcement chamber (12) by filter (6); Between filter (6) and reinforcement chamber (12), be provided with flow control valve (7); The refluxing opening of strengthening lower end, chamber (12) is connected with electrolytic bath (3); Negative electrode (9) that is connected with high-voltage DC power supply (10) and anode (11) are arranged on to be strengthened in the chamber (12).
2. liquid phase plasma reinforced nano composite deposite device according to claim 1 is characterized in that: be provided with spinner-type flowmeter (8) between the lower end outlet of strengthening chamber (12) and filter (6).
3. the using method of the described liquid phase plasma reinforced nano of claim 1 a composite deposite device, it is characterized in that: these method concrete steps are as follows:
1) by agitator (1) electrolytic solution in the electrolytic bath (3) is mixed all, electrolytic solution is heated and be controlled at design temperature by temperature controller (2) and well heater (4);
2) by magnetic drive pump (5) and strainer (6) electrolytic solution in the electrolytic bath (3) is pumped to reinforcement chamber (13);
3) adopting unplated piece is negative electrode (9), and stainless steel is anode (11), and negative electrode (9) is connected with high-voltage DC power supply (10) with anode (11); Electrolytic solution is back in the electrolytic bath (3) by the refluxing opening of strengthening bottom, chamber (12), finishes the circulation of elecrolyte process;
4) open high-voltage DC power supply (10), apply voltage and surpass 300V, produce arc light azury,, form the little hole of discharge, obtain obviously fine and close coating at negative electrode unplated piece coating surface through behind the 3-7min on negative electrode unplated piece surface.
4. the using method of liquid phase plasma reinforced nano composite deposite device according to claim 3, it is characterized in that: bath composition is: methane amide: 10 ~ 20 g/L, KCl:5 ~ 10 g/L, all the other are water.
5. the using method of liquid phase plasma reinforced nano composite deposite device according to claim 3 is characterized in that: in the step 1), design temperature is 40 ~ 45 ℃, and electrolyte temperature remains on 40 ~ 45 ℃.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109055933A (en) * | 2018-09-04 | 2018-12-21 | 北京理工大学 | A kind of powder liquid phase plasma surface modifying method and its device |
| CN110586932A (en) * | 2019-09-19 | 2019-12-20 | 北京理工大学 | Method for improving high-temperature and high-salt performance of iron powder by utilizing plasma electrolysis |
| CN110625206A (en) * | 2019-09-30 | 2019-12-31 | 江苏大学 | Method for machining micro oil storage cavity on surface of piston ring |
| CN110777250A (en) * | 2019-11-12 | 2020-02-11 | 徐州工程学院 | Underwater particle vacuole coupled material strengthening device and method |
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| CN87211969U (en) * | 1987-08-22 | 1988-07-20 | 北京高熔金属材料厂 | Continuous electroplating device for gold-plating tungsten filament |
| CN1139710A (en) * | 1995-03-23 | 1997-01-08 | Sms舒路曼-斯玛公司 | Device for segregating metal from electrolytic solution containing metal |
| CN1473206A (en) * | 2000-11-08 | 2004-02-04 | Plasma electroplating | |
| CN101871108A (en) * | 2010-06-11 | 2010-10-27 | 河南理工大学 | Electrolyte vacuum boiling type high speed electro-deposition method and device thereof |
-
2011
- 2011-06-14 CN CN2011101587480A patent/CN102226289A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211969U (en) * | 1987-08-22 | 1988-07-20 | 北京高熔金属材料厂 | Continuous electroplating device for gold-plating tungsten filament |
| CN1139710A (en) * | 1995-03-23 | 1997-01-08 | Sms舒路曼-斯玛公司 | Device for segregating metal from electrolytic solution containing metal |
| CN1473206A (en) * | 2000-11-08 | 2004-02-04 | Plasma electroplating | |
| CN101871108A (en) * | 2010-06-11 | 2010-10-27 | 河南理工大学 | Electrolyte vacuum boiling type high speed electro-deposition method and device thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109055933A (en) * | 2018-09-04 | 2018-12-21 | 北京理工大学 | A kind of powder liquid phase plasma surface modifying method and its device |
| CN109055933B (en) * | 2018-09-04 | 2020-11-10 | 北京理工大学 | Powder liquid phase plasma surface modification method and device thereof |
| CN110586932A (en) * | 2019-09-19 | 2019-12-20 | 北京理工大学 | Method for improving high-temperature and high-salt performance of iron powder by utilizing plasma electrolysis |
| CN110625206A (en) * | 2019-09-30 | 2019-12-31 | 江苏大学 | Method for machining micro oil storage cavity on surface of piston ring |
| CN110777250A (en) * | 2019-11-12 | 2020-02-11 | 徐州工程学院 | Underwater particle vacuole coupled material strengthening device and method |
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Application publication date: 20111026 |