CN108505089A - A kind of aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer - Google Patents
A kind of aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer Download PDFInfo
- Publication number
- CN108505089A CN108505089A CN201810615062.1A CN201810615062A CN108505089A CN 108505089 A CN108505089 A CN 108505089A CN 201810615062 A CN201810615062 A CN 201810615062A CN 108505089 A CN108505089 A CN 108505089A
- Authority
- CN
- China
- Prior art keywords
- working solution
- sodium tetraborate
- aluminum alloy
- film layer
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C25D11/026—Anodisation with spark discharge
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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
- C25D11/024—Anodisation under pulsed or modulated current or potential
-
- 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
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
A kind of aluminum alloy surface Al based on sodium tetraborate2O3‑AlB12The preparation method of composite ceramics film layer, using 6061 Al alloy parts as anode, using the stainless steel plate of electrolytic cell as cathode, workpiece anode is immersed in working solution, then apply bipolar pulse electricity between a cathode and an anode, differential arc oxidation processing is carried out, makes the aluminium in the sodium tetraborate and 6061 alloy matrix aluminums in working solution that plasma chemical reaction occur, to obtain 6061 aluminum alloy surface Al2O3‑AlB12Composite ceramics film layer.The present invention solves existing Al2O3‑AlB12The problem of preparation process of composite ceramics film layer is complicated, the time is long, high energy consumption.Improve 6061 micro-arc oxidation of aluminum alloy surface ceramic film bending strengths and fracture toughness simultaneously.
Description
Technical field
The present invention relates to metal surface modification fields, more particularly to aluminum alloy surface ceramic film layer and preparation method thereof.
Background technology
6061 alloys make it have processing performance is splendid, excellent extrusion molding, excellent since it is containing magnesium, element silicon
Weld characteristics and indeformable, the fine and close zero defect of material and be easy to throw after plating resistance, good corrosion resistance, toughness is high and processing
Light, the good characteristics such as colouring film is easy, oxidation effectiveness is splendid.Be widely used in decoration, packaging, building, transport, electronics, aviation,
The all trades and professions such as space flight, weapons are commonly used to do automated machine part, Precision Machining, mold manufacturing etc. in machinery industry, these
Purposes needs him to have the anti-destructive robbed in surface, this just needs to be modified reinforcing to 6061 aluminum alloy surfaces, improves its table
The wearability and fracture toughness in face.
Differential arc oxidization technique is usually utilized to improve the performance of aluminum alloy surface.Micro-arc oxidation of aluminum alloy surface ceramic film
Main component be Al2O3, have with basal body binding force is good, hardness is high, corrosion-resistant, rub resistance, insulation resistance height, heat shock resistance,
Thermal stability well equal excellent performances, this effectively expands the application range of aluminium alloy, make its aerospace, equipment manufacturing,
The fields such as textile machine and electronic communication are with a wide range of applications.However, Al2O3The ceramic brittleness of itself limits its
Further apply.Currently, toughening is to solve the problems, such as the more effective method, increase including dis-persion toughening, fiber and whisker
Tough, zirconium oxide transformation toughening, composite toughening etc..
AlB12Microhardness, wearability, breaking load and be far longer than white fused alumina than breaking load and (contain
Al2O399% or more), often studied personnel are used for Al2O3Ceramics carry out composite toughening.Its technical process is：Al powder with
B2O3Powder mixes, compression moulding, leads to protection gas, high-temperature heating, self-propagating reaction, Slow cooling, mechanical crushing, sieving.It is utilizing
AlB12To Al2O3Toughening forms Al2O3-AlB12During composite ceramics film layer, to realize that self- propagating process, high-temperature heating need
More than 1800K；And Slow cooling is then conducive to AlB12The formation of crystal.This method obtains Al2O3-AlB12Composite ceramic
End.Then using process for treating surface such as sprayings, Al is formed in metal surface2O3-AlB12It is protected with the composite ceramics of matrix
Layer.Although it efficiently solves Al2O3Toughening problem, but the processing procedure, complex process, high energy consumption is of long duration, and
Film layer is poor with basal body binding force.
Invention content
The present invention is to improve 6061 micro-arc oxidation of aluminum alloy surface ceramic film bending strengths and fracture toughness, is solved simultaneously
Existing Al2O3-AlB12Preparation process complexity, time length, high energy consumption, the problem with basal body binding force difference of composite ceramics film layer,
And provide a kind of 6061 aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer.
The present invention inventive concept be：It can be worked in aluminum alloy surface growth in situ ceramic film by interpolar discharge
When Al alloy parts connect the anode of mao power source, cathode connects stainless steel electrolytic slot, is full of working solution, working solution therebetween
It inside stainless steel electrolytic slot, and is only connected, cannot be contacted with each other by working solution between Al alloy parts and electrolytic cell
Or it is connected with other conductors.When processing starts, with the raising of voltage across poles, the reactant in working solution is under the action of electric field
It is collected around to anode movement, and in discharge channel, it, will be in gold when the voltage of two interpolar of negative and positive is more than faraday's region of discharge
Metal surface generate micro arc plasma body electric discharge, differential arc oxidation electric discharge be plasma arc light electric discharge, process be divided into superficial electric discharge,
Depth is discharged and submerged arc electric discharge three phases, and the high temperature and pressure that plasma discharge is generated in discharge channel, DIE Temperature can
Up to 6800K~9500K, channel edge temperature also may be up to 2000K, and such high temperature and pressure makes the metal of workpiece surface, work
Plasma chemical reaction occurs for ion or suspension particles in liquid, and reactant can be pushed to discharge channel bottom by submerged arc discharge regime
Portion, and micro- molten bath is formed in discharge channel bottom and base contact portion, so that reactant, base aluminum is sufficiently mixed in micro- molten bath,
And reaction forms new product rapidly.The discharge channel of long and narrow complications has delayed the reduction of micro- bath temperature.Ceramic coating formed by micro-arc oxidation
With that the high bond strength between matrix of corrosion-resistant, wear-resisting, insulation resistance is high, thicknesses of layers and roughness are controllable etc. is many
Advantage.Differential arc oxidation discharge energy can be controlled by electrical parameter；Boron element can be drawn by the form of solvent or suspended things
Enter into working solution, and then participates in differential arc oxidation reaction；It is long and narrow curved due to putting a channel in the submerged arc discharge regime of differential arc oxidation
The cooling effect of song, working solution weakens so that the temperature reduction in micro- molten bath is slower, this is all conducive to AlB12The formation of crystal, into
And in one layer of Al of workpiece surface in-situ preparation2O3-AlB12Composite ceramics film layer.
A kind of 6061 aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer be by
It is carried out according to following steps：
Using 6061 Al alloy parts as anode, using the stainless steel plate of electrolytic cell as cathode, equipped with preparation in advance in electrolytic cell
Good working solution, anode is immersed in working solution, then applies bipolar pulse electricity between a cathode and an anode, and make forward direction
Voltage is 50V~620V, backward voltage is 20V~95V, current density 10A/dm2~20A/dm2, frequency be 500Hz~
2000Hz, under conditions of working solution temperature is 20 DEG C~80 DEG C, processing 30min~60min is to get to 6061 aluminum alloy surfaces
Al2O3-AlB12Composite ceramics film layer, wherein the working solution includes the nothing of sodium tetraborate, water and at least one or two or more
Machine salt, alkali or Organic Alcohol.Keep a concentration of 5-20g/L of the sodium tetraborate in working solution.
Sodium tetraborate determines whether plasma chemical reaction can be normally carried out in the concentration of working solution.Sodium tetraborate concentration
It, then can not regular picture more than 30g/L.
6061 aluminium alloy elements form, copper：0.15wt%~0.4wt%；Manganese：0.15；Magnesium：0.8wt%~1.2wt%；
Zinc：0.25wt%；Chromium：0.04wt%~0.35wt%；Titanium：0.15wt%；Silicon：0.4wt%~0.8wt%；Iron：0.7wt%；
Aluminium：Surplus.
The working solution is made of sodium tetraborate, water and inorganic salts；Or the working solution is by sodium tetraborate, water and alkali
Composition；Or the working solution is made of sodium tetraborate, water and Organic Alcohol；Or the working solution is by sodium tetraborate, water, organic
Alcohol and inorganic salts composition；Or the working solution is made of sodium tetraborate, water, Organic Alcohol and alkali；Or the working solution is by four
Boratex, water, alkali and inorganic salts composition；Or the working solution is made of sodium tetraborate, water, Organic Alcohol, alkali and inorganic salts.
The water is deionized water；The inorganic salts are silicate, phosphate, tungstates, molybdate or aluminate
One or more of；The Organic Alcohol is one kind or two in methanol, ethyl alcohol, ethylene glycol, glycerine or isopropanol
Kind or more；The alkali is one or more of potassium hydroxide, sodium hydroxide, lithium hydroxide or barium hydroxide.
The beneficial effects of the invention are as follows：
1, a kind of 6061 aluminum alloy surface Al based on sodium tetraborate prepared by the present invention2O3-AlB12Composite ceramics film layer,
With sodium tetraborate and other boron-containing compounds are free of in working solution, and under other technological parameter the same terms, obtain identical film layer
The common 6061 aluminum alloy differential arc oxidation film layer of thickness is compared, and bending strength improves 20%~34%, and fracture toughness improves
20%~33%.It is effectively improved the mechanical performance of 6061 micro-arc oxidation of aluminum alloy surface ceramic films.
2, the differential arc oxidation treatment method that the present invention uses, technical process is simple, only needs differential arc oxidation electric discharge, cleaning and does
Dry 3 procedure.Micro-arc discharge processing time is generally in 30min~60min, more existing Al2O3-AlB12The processing of composite ceramics film layer
Time greatly shortens, and processing efficiency significantly improves.React the Al generated2O3And AlB12It is sufficiently mixed in micro- molten bath, after cooling
Directly Al is formed in workpiece surface2O3-AlB12The temperature of composite ceramics film layer, workpiece substrate changes before and after the processing in differential arc oxidation
Less, discharge energy is mainly used for the generation of film layer, therefore the more existing Al of energy utilization rate of differential arc oxidation2O3-AlB12It is multiple
It is high to close ceramic film manufacturing process.
Specific implementation mode
The present invention is described in detail below by specific embodiment, but is not limited the scope of the invention.Unless otherwise specified, originally
Experimental method is conventional method used by invention, and experiment equipment used, material, reagent etc. commercially obtain.
Embodiment 1
A kind of 6061 aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer be by
It is carried out according to following steps：
Using 6061 Al alloy parts as anode, using the stainless steel plate of electrolytic cell as cathode, anode is immersed in working solution,
Then apply Bipolar pulse power between a cathode and an anode, and be 50V, forward voltage end value in forward voltage initial value
For 540V, backward voltage initial value is 20V, backward voltage end value is 80V, current density 10A/dm2, frequency is
2000Hz, under conditions of working solution temperature is 30 DEG C~65 DEG C, processing time 30min is to get to 6061 aluminum alloy surfaces
Al2O3-AlB12Composite ceramics film layer.
The 6061 Al alloy parts sizes are 50mm × 100mm × 2mm.
The working solution is mixed by deionized water, sodium hydroxide, sodium metasilicate, sodium tetraborate；The working solution
A concentration of 2.5g/L of middle sodium hydroxide；A concentration of 3.5g/L of sodium metasilicate in the working solution；Four in the working solution
A concentration of 8g/L of Boratex.
The present embodiment working solution initial temperature is 30 DEG C, 65 DEG C of maximum temperature in the course of work.
6061 aluminum alloy surface Al manufactured in the present embodiment2O3-AlB12Composite ceramics thicknesses of layers is 35 μm~38 μm,
Bending strength is 219.77MPa, fracture toughness 1.75MPam1/2；Sodium tetraborate and other boracic chemical combination are free of in working solution
Object under other technological parameter the same terms, obtains the bending resistance of the common 6061 aluminum alloy differential arc oxidation film layer of identical thicknesses of layers
Intensity is 183.14MPa, fracture toughness 1.46MPam1/2.As it can be seen that compared with common 6061 aluminum alloy differential arc oxidation film layer,
6061 aluminum alloy surface Al2O3-AlB12The bending strength of composite ceramics film layer improves 20%, and fracture toughness improves 20%.
Embodiment 2
A kind of 6061 aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer be by
It is carried out according to following steps：
Using 6061 Al alloy parts as anode, using the stainless steel plate of electrolytic cell as cathode, anode is immersed in working solution,
Then apply Bipolar pulse power between a cathode and an anode, and be 50V, forward voltage end value in forward voltage initial value
For 580V, backward voltage initial value is 20V, backward voltage end value is 85V, current density 15A/dm2, frequency is
1200Hz, under conditions of working solution temperature is 20 DEG C~65 DEG C, processing time 40min is to get to 6061 aluminum alloy surfaces
Al2O3-AlB12Composite ceramics film layer.
The 6061 Al alloy parts sizes are 35mm × 70mm × 1mm.
The working solution is mixed by deionized water, sodium hydroxide, sodium metasilicate, glycerine and sodium tetraborate；It is described
Working solution in sodium hydroxide a concentration of 1.5g/L；A concentration of 3.5g/L of sodium metasilicate in the working solution；The work
Make a concentration of 32mL/L of glycerine in liquid；A concentration of 5g/L of sodium tetraborate in the working solution；
The present embodiment working solution initial temperature is 20 DEG C, 65 DEG C of maximum temperature in the course of work.
6061 aluminum alloy surface Al manufactured in the present embodiment2O3-AlB12Composite ceramics thicknesses of layers is 54 μm~56 μm,
Bending strength is 305.34MPa, fracture toughness 2.52MPam1/2；Sodium tetraborate and other boracics are free of in working solution
Object is closed, under other technological parameter the same terms, obtains the anti-of the common 6061 aluminum alloy differential arc oxidation film layer of identical thicknesses of layers
Curved intensity is 244.27MPa, fracture toughness 2.03MPam1/2.As it can be seen that with common 6061 aluminum alloy differential arc oxidation film layer phase
Than 6061 aluminum alloy surface Al2O3-AlB12The bending strength of composite ceramics film layer improves 25%, and fracture toughness improves 24%.
Embodiment 3
A kind of 6061 aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer be by
It is carried out according to following steps：
Using 6061 Al alloy parts as anode, using the stainless steel plate of electrolytic cell as cathode, anode is immersed in working solution,
Then apply Bipolar pulse power between a cathode and an anode, and be 50V, forward voltage end value in forward voltage initial value
For 600V, backward voltage initial value is 20V, backward voltage end value is 86V, current density 16A/dm2, frequency 800Hz,
Under conditions of working solution temperature is 35 DEG C~80 DEG C, processing time 50min is to get to 6061 aluminum alloy surface Al2O3-AlB12
Composite ceramics film layer.
The 6061 Al alloy parts sizes are 40mm × 60mm × 1mm.
The working solution is mixed by deionized water, potassium hydroxide, sodium metasilicate, sodium tetraborate；The working solution
A concentration of 1.5g/L of middle potassium hydroxide；A concentration of 5.5g/L of sodium metasilicate in the working solution；Four in the working solution
A concentration of 12.5g/L of Boratex.
The present embodiment working solution initial temperature is 35 DEG C, 80 DEG C of maximum temperature in the course of work.
6061 aluminum alloy surface Al manufactured in the present embodiment2O3-AlB12Composite ceramics thicknesses of layers is 67 μm~69 μm,
Bending strength is 393.59MPa, fracture toughness 3.09MPam1/2；Sodium tetraborate and other boracic chemical combination are free of in working solution
Object under other technological parameter the same terms, obtains the bending resistance of the common 6061 aluminum alloy differential arc oxidation film layer of identical thicknesses of layers
Intensity is 305.11MPa, fracture toughness 2.38MPam1/2.As it can be seen that compared with common 6061 aluminum alloy differential arc oxidation film layer,
6061 aluminum alloy surface Al2O3-AlB12The bending strength of composite ceramics film layer improves 29%, and fracture toughness improves 30%.
Embodiment 4
A kind of 6061 aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer be by
It is carried out according to following steps：
Using 6061 Al alloy parts as anode, using the stainless steel plate of electrolytic cell as cathode, anode is immersed in working solution,
Then apply Bipolar pulse power between a cathode and an anode, and be 50V, forward voltage end value in forward voltage initial value
For 620V, backward voltage initial value is 20V, backward voltage end value is 95V, current density 20A/dm2, frequency 500Hz,
Under conditions of working solution temperature is 20 DEG C~80 DEG C, processing time 60min is to get to 6061 aluminum alloy surface Al2O3-AlB12
Composite ceramics film layer.
The 6061 Al alloy parts sizes are 50mm × 100mm × 2mm.
The working solution is mixed by deionized water, potassium hydroxide, sodium metasilicate, sodium tetraborate, sodium metaaluminate；It is described
Working solution in potassium hydroxide a concentration of 3.5g/L；A concentration of 7g/L of sodium metasilicate in the working solution；The work
A concentration of 20g/L of sodium tetraborate in liquid；A concentration of 4.5g/L of sodium metaaluminate.
The present embodiment working solution initial temperature is 20 DEG C, 80 DEG C of maximum temperature in the course of work.
6061 aluminum alloy surface Al manufactured in the present embodiment2O3-AlB12Composite ceramics thicknesses of layers is 77 μm~80 μm,
Bending strength is 402.87MPa, fracture toughness 3.74MPam1/2；Working solution is free of sodium tetraborate and other boracic chemical combination
Object under other technological parameter the same terms, obtains the bending resistance of the common 6061 aluminum alloy differential arc oxidation film layer of identical thicknesses of layers
Intensity is 302.91MPa, fracture toughness 2.79MPam1/2.As it can be seen that compared with common 6061 aluminum alloy differential arc oxidation film layer
6061 aluminum alloy surface Al2O3-AlB12The bending strength of composite ceramics film layer improves 33%, and fracture toughness improves 34%.
Claims (3)
1. a kind of 6061 aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer, feature
It is, follows the steps below：
Using 6061 Al alloy parts as anode, using the stainless steel plate of electrolytic cell as cathode, equipped with prepared in advance in electrolytic cell
Anode is immersed in working solution by working solution, then applies bipolar pulse electricity between a cathode and an anode, and in forward voltage
It is 20V~95V, current density 10A/dm for 50V~620V, backward voltage2~20A/dm2, frequency is 500Hz~2000Hz,
Under conditions of working solution temperature is 20 DEG C~80 DEG C, processing 30min~60min is to get to 6061 aluminum alloy surface Al2O3-
AlB12Composite ceramics film layer；The wherein described working solution includes the inorganic salts of sodium tetraborate, water and at least one or two or more, alkali
Or Organic Alcohol, keep a concentration of 5-20g/L of the sodium tetraborate in working solution.
2. according to the method described in claim 1, it is characterized in that, the working solution is by sodium tetraborate, water and inorganic salts group
At；Or the working solution is made of sodium tetraborate, water and alkali；Or the working solution is by sodium tetraborate, water and Organic Alcohol group
At；Or the working solution is made of sodium tetraborate, water, Organic Alcohol and inorganic salts；Or the working solution by sodium tetraborate,
Water, Organic Alcohol and alkali composition；Or the working solution is made of sodium tetraborate, water, alkali and inorganic salts；Or the working solution by
Sodium tetraborate, water, Organic Alcohol, alkali and inorganic salts composition.
3. according to the method described in claim 1, it is characterized in that, the water is deionized water；The inorganic salts are silicon
One or more of hydrochlorate, phosphate, tungstates, molybdate or aluminate；The Organic Alcohol be methanol, ethyl alcohol,
One or more of ethylene glycol, glycerine or isopropanol；The alkali is potassium hydroxide, sodium hydroxide, lithium hydroxide
Or one or more of barium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615062.1A CN108505089A (en) | 2018-06-14 | 2018-06-14 | A kind of aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615062.1A CN108505089A (en) | 2018-06-14 | 2018-06-14 | A kind of aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108505089A true CN108505089A (en) | 2018-09-07 |
Family
ID=63403478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615062.1A Pending CN108505089A (en) | 2018-06-14 | 2018-06-14 | A kind of aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108505089A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023470A (en) * | 2018-09-25 | 2018-12-18 | 巩义市宏盛稀有金属有限公司 | The modified aluminium alloy extrusions of a kind of aluminium alloy section surface differential arc oxidation method of modifying and surface |
| WO2021031548A1 (en) * | 2019-08-21 | 2021-02-25 | 大连理工大学 | Electrolyte for preparing hierarchical structure porous coating on titanium alloy surface by micro-arc oxidation |
| CN113899071A (en) * | 2021-10-25 | 2022-01-07 | 西安建筑科技大学 | Electric heating water boiler and water treatment and purification method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087996A (en) * | 2014-07-28 | 2014-10-08 | 吕鹏翔 | Aluminum alloy surface easy-cleaning micro-arc oxidation ceramic membrane layer and preparation method thereof |
-
2018
- 2018-06-14 CN CN201810615062.1A patent/CN108505089A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087996A (en) * | 2014-07-28 | 2014-10-08 | 吕鹏翔 | Aluminum alloy surface easy-cleaning micro-arc oxidation ceramic membrane layer and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023470A (en) * | 2018-09-25 | 2018-12-18 | 巩义市宏盛稀有金属有限公司 | The modified aluminium alloy extrusions of a kind of aluminium alloy section surface differential arc oxidation method of modifying and surface |
| WO2021031548A1 (en) * | 2019-08-21 | 2021-02-25 | 大连理工大学 | Electrolyte for preparing hierarchical structure porous coating on titanium alloy surface by micro-arc oxidation |
| CN113899071A (en) * | 2021-10-25 | 2022-01-07 | 西安建筑科技大学 | Electric heating water boiler and water treatment and purification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104087996B (en) | The preparation method of aluminum alloy surface easy clean property Micro-Arc Oxidized Ceramic Coating | |
| Cheng et al. | High growth rate, wear resistant coatings on an Al–Cu–Li alloy by plasma electrolytic oxidation in concentrated aluminate electrolytes | |
| CN108505089A (en) | A kind of aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer | |
| CN106757260B (en) | A kind of its application of the composite Nano electrolyte being used to prepare micro-arc oxidation of aluminum alloy surface film | |
| Wang et al. | Microstructural characteristic, outward-inward growth behavior and formation mechanism of MAO ceramic coating on the surface of ADC12 Al alloy with micro-groove | |
| CN106637071B (en) | A kind of method that multisection type pack cementation aluminizing combination differential arc oxidation prepares composite coating | |
| CN108018592A (en) | A kind of zircaloy differential arc oxidization surface method of modifying | |
| CN107675170A (en) | A kind of preparation method of offshore platform steel surface laser cladding differential arc oxidation coating | |
| CN108754563A (en) | The 6063 aluminum alloy surface Al based on dipotassium tetraborate2O3-AlB12The preparation method of composite ceramics film layer | |
| CN109183115A (en) | A kind of surface is covered with the preparation method of the aluminium alloy of superhard ceramic coating formed by micro-arc oxidation | |
| CN103695981B (en) | A kind of method of micro-arc oxidation of aluminum alloy surface film functionalized design | |
| CN104532320A (en) | Preparation method of aluminium and titanium alloy micro arc ceramic membrane | |
| CN102277606B (en) | Preparation method of thermal barrier coating on surface of aluminum-magnesium alloy and composite material of alloy | |
| CN104372394A (en) | Preparation method for oxide ceramic layer | |
| CN108505090A (en) | The 6063 aluminum alloy surface Al based on sodium tetraborate2O3-AlB12The preparation method of composite ceramics film layer | |
| CN108754564A (en) | A kind of aluminum alloy surface Al based on dipotassium tetraborate2O3-AlB12The preparation method of composite ceramics film layer | |
| Yuting et al. | The research progress on micro-arc oxidation of aluminum alloy | |
| CN108486626A (en) | The preparation method of Al-Cu-Mg line aluminium alloy surface recombination ceramic films based on dipotassium tetraborate | |
| CN108754565A (en) | A kind of preparation method of the Al-Si-Cu line aluminium alloy surface recombination ceramic films based on diboron trioxide | |
| CN108505092A (en) | The preparation method of Al-Cu-Mg line aluminium alloy surface recombination ceramic films based on sodium tetraborate | |
| CN108588783A (en) | A kind of aluminum alloy surface Al based on diboron trioxide2O3-AlB12The preparation method of composite ceramics film layer | |
| CN108588781A (en) | The 6063 aluminum alloy surface Al based on diboron trioxide2O3-AlB12The preparation method of composite ceramics film layer | |
| CN109695044B (en) | TiB with uniform and compact structure2Layered titanium-based cathode material and method for producing same | |
| Yerokhin et al. | Anodising of light alloys | |
| CN108505087A (en) | A kind of preparation method of the Al-Si-Cu line aluminium alloy surface recombination ceramic films based on dipotassium tetraborate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180907 |
|
| WD01 | Invention patent application deemed withdrawn after publication |