CN104087996A - Aluminum alloy surface easy-cleaning micro-arc oxidation ceramic membrane layer and preparation method thereof - Google Patents
Aluminum alloy surface easy-cleaning micro-arc oxidation ceramic membrane layer and preparation method thereof Download PDFInfo
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000000919 ceramic Substances 0.000 title abstract description 38
- 238000004140 cleaning Methods 0.000 title abstract description 16
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 title abstract description 10
- 239000012528 membrane Substances 0.000 title abstract 6
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 67
- 238000005524 ceramic coating Methods 0.000 claims description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 24
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 20
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 20
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 18
- -1 Z 250 Chemical compound 0.000 claims description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 16
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 16
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims description 16
- 229960001866 silicon dioxide Drugs 0.000 claims description 16
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 16
- 230000003647 oxidation Effects 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000003016 phosphoric acids Chemical class 0.000 claims description 2
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 11
- 229910021538 borax Inorganic materials 0.000 description 10
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 10
- 239000004328 sodium tetraborate Substances 0.000 description 10
- 235000010339 sodium tetraborate Nutrition 0.000 description 10
- 208000028659 discharge Diseases 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 235000019353 potassium silicate Nutrition 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910001250 2024 aluminium alloy Inorganic materials 0.000 description 3
- 229910001051 Magnalium Inorganic materials 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 2
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
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- 239000002283 diesel fuel Substances 0.000 description 1
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- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
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- 239000002480 mineral oil Substances 0.000 description 1
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- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses an aluminum alloy surface easy-cleaning micro-arc oxidation ceramic membrane layer and a preparation method thereof, and relates to an aluminum alloy surface ceramic membrane layer and a preparation method thereof. The invention aims at solving the problems that the existing easy-cleaning ceramic is long in preparation time, high in energy consumption, and limited in application as the existing easy-cleaning ceramic only can be applied to some products formed by sintering. The aluminum alloy surface easy-cleaning micro-arc oxidation ceramic membrane layer is prepared by micro-arc oxidation. The preparation method is as follows: by taking an aluminum alloy workpiece as an anode and a stainless plate of an electrolytic cell as a cathode, soaking the anode of the aluminum alloy workpiece in working liquid; and then, applying bipolar pulse power to the two sides of the cathode and the anode, carrying out micro-arc oxidization treatment to obtain the aluminum alloy surface easy-cleaning micro-arc oxidation ceramic membrane layer. The invention is used for the aluminum alloy surface easy-cleaning micro-arc oxidation ceramic membrane layer and the preparation method thereof.
Description
Technical field
The present invention relates to aluminum alloy surface ceramic rete and preparation method thereof.
Background technology
Ceramic is sturdy and durable with it, quality is exquisite and be widely used in our life.The dirt of cleaning ceramic has just become requisite link very naturally.Common greasy dirt is mainly taking palmitinic acid and oleic acid as main cortex, also has vegetables oil, animal oil and is main mineral oil such as diesel oil, lubricated wet goods.The essence of washing is exactly washing composition falls oil film process from thing surface replacement to be cleaned.Beyond the greasy dirt process of removing washing ceramic surface wastes time and energy, the use of washing composition also can cause the detrimentally affect of healthy and environment.Along with the continuous enhancing of health perception, people have oil rub resistance to just cleaning without washing composition, self-cleaning easy clean ceramic favor has and adds.Easily ceramic refers to, in normal use procedure, relies on the special physicochemical property in its surface, make pollutent from falling out, be difficult for adhering to, and keep the pottery of self surface cleaning without the effect that uses the external force such as washing composition.Ceramic surface can be the greatest factor that affects the easy clean property of ceramic surface.Along with the raising of ceramic surface energy, the contact angle of the oil droplet on ceramic surface in water becomes large, and the work of adhesion of oil droplet diminishes, and now oil droplet is cashed as more easily to depart from ceramic surface, that is to say that ceramic cleaning property of easy-cleaning improves.Correlative study shows, the ceramic surface with good easy clean property can generally be greater than 72.8mJ/m
2, and its polar molecule amount is greater than 58.0mJ/m
2, meeting the pottery of such condition, water can be at oil/ceramic interface spread, and then oil/ceramic interface is slowly disappeared, and oil droplet departs from ceramic surface and floats because losing to adhere to, and pottery has just been realized automatically cleaning.Now the general easy clean property of sign pottery is ceramic surface unit surface greasy dirt residual volume, when meeting unit surface greasy dirt residual volume A≤0.05 × 10
-4gcm
2time, just show that the easy clean property of pottery is good.
Regulate alkali-metal content in ceramic glaze layer, suitably improve surperficial roughness and all can improve ceramic surface energy, thus the easy clean property of raising ceramic surface.Existing easy clean ceramic process comprises: batching, ball milling, found, shrend,, choose, dry grind, sieve, ball milling, old, glazing, dry and burn till, amount to 12 procedures.Wherein, firing temperature is between 1150 DEG C～1300 DEG C, and firing time is about 8 hours.As can be seen here, the method complex process, energy consumption is high, and the production time is long.What be worth the place of pointing out is, due to needs high temperature sintering glaze layer, the method can only be applied in can vitreous coating and resistant to elevated temperatures ceramic surface, metal and alloy thereof can not adopt this technology to realize its clean surfaces function because fusing point is low, thermal expansivity large, and this is restricted the further application of the easy clean technology of ceramic surface.
Summary of the invention
The preparation process time that the object of the invention is to solve existing easy ceramic is long, energy consumption is high, and can only be applied on fired some products that form of minority, limit the problem of its application, and the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating and preparation method thereof is provided.
The easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating is that aluminium alloy is prepared from surface by differential arc oxidation and can be greater than 73.1mJ/m
2, polar molecule amount is greater than 60.0mJ/m
2, unit surface greasy dirt residual volume A≤0.05 × 10
-4gcm
2the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
The preparation method of the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking Al alloy parts as anode, taking the stainless steel plate of electrolyzer as negative electrode, Al alloy parts anode is immersed in working fluid, then apply bipolar pulse electricity at negative electrode and anode both sides, and be that 350V～650V, reverse voltage are 20V～120V at forward voltage, current density is 0.5A/dm
2～20A/dm
2, frequency is 200Hz～2000Hz, dutycycle be 10%～40% and temperature lower than under the condition of 80 DEG C, process 3min～60min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
The invention has the beneficial effects as follows: the easy clean property Micro-Arc Oxidized Ceramic Coating surface that 1, prepared by the present invention can be greater than 72.8mJ/m
2, polar molecule amount is greater than 58.0mJ/m
2, its unit surface greasy dirt residual volume A≤0.05 × 10
-4gcm
2, thicknesses of layers is 10 μ m～80 μ m, has good oil rub resistance, automatically cleaning ability.
2, the microarc oxidation treatment process that the present invention adopts is simple, and workpiece, without pre-treatment, only needs differential arc oxidation electric discharge, cleans and dry 3 procedures.The micro-arc discharge treatment time is generally at 3min～60min.Because the differential arc oxidation treatment time is short, and electric discharge only occurs in workpiece surface, and the temperature of workpiece substrate changes little before and after differential arc oxidation is processed, and the more existing easy clean ceramic process of energy utilization rate of differential arc oxidation is high.It is worthy of note that differential arc oxidization technique uses alkaline working fluid, and can add and be suspended particle according to the needs of rete function, this makes to utilize differential arc oxidization technique can generate one deck and have in the metals such as magnalium titanium and alloy surface original position thereof the ceramic film of easy clean characteristic.
The present invention is for aluminum alloy surface easy clean property Micro-Arc Oxidized Ceramic Coating and preparation thereof.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: the easy clean property of present embodiment aluminum alloy surface Micro-Arc Oxidized Ceramic Coating is that aluminium alloy is prepared from surface by differential arc oxidation and can be greater than 73.1mJ/m
2, polar molecule amount is greater than 60.0mJ/m
2, unit surface greasy dirt residual volume A≤0.05 × 10
-4gcm
2the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
Present embodiment advantage: easy clean property Micro-Arc Oxidized Ceramic Coating surface prepared by present embodiment can be greater than 72.8mJ/m
2, polar molecule amount is greater than 58.0mJ/m
2, its unit surface greasy dirt residual volume A≤0.05 × 10
-4gcm
2, thicknesses of layers is 10～80 μ m, has good oil rub resistance, automatically cleaning ability.
Embodiment two: present embodiment is different from embodiment one: the easy clean property of described aluminum alloy surface Micro-Arc Oxidized Ceramic Coating thickness is 10 μ m～80 μ m.Other is identical with embodiment one.
Embodiment three: the preparation method of the easy clean property of present embodiment aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking Al alloy parts as anode, taking the stainless steel plate of electrolyzer as negative electrode, Al alloy parts anode is immersed in working fluid, then apply Bipolar pulse power at negative electrode and anode both sides, and be that 350V～650V, reverse voltage are 20V～120V at forward voltage, current density is 0.5A/dm
2～20A/dm
2, frequency is 200Hz～2000Hz, dutycycle be 10%～40% and temperature lower than under the condition of 80 DEG C, process 3min～60min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
In present embodiment, mao power source used is bipolar pulse formula mao power source.Adjustable between pulsewidth, arteries and veins, forward and reverse target voltage electric current can be set.
Differential arc oxidization technique (claiming again plasma electrolytic oxidation, plasma body to strengthen electrolytic deposition, spark discharge anodically deposit etc.) is the new surface treatment technologies that generates layer of ceramic film by micro-arc discharge in the valve metals such as magnalium titanium and alloy surface original position thereof.When differential arc oxidation is processed, metal works connects the anode of mao power source, is immersed in alkaline working fluid, and working fluid is contained in stainless steel electrolytic groove the inside, and electrolyzer connects the negative electrode of mao power source, and security deposit's metal work-pieces does not directly contact with electrolyzer.After switching on power, in the time that the voltage of negative and positive two interpolars exceedes faraday's region of discharge, will produce in metallic surface the electric discharge of micro arc plasma body, electric discharge makes the ion in metal, the working fluid of workpiece surface and is suspended particle generation plasma chemical reaction, finally generates layer of ceramic film in workpiece surface original position.That ceramic coating formed by micro-arc oxidation has is corrosion-resistant, wear-resisting, insulation resistance is high and matrix between high, the thicknesses of layers of bonding strength and the plurality of advantages such as roughness is controlled.
Present embodiment advantage: the microarc oxidation treatment process that present embodiment adopts is simple, workpiece, without pre-treatment, only needs differential arc oxidation electric discharge, cleans and dry 3 procedures.The micro-arc discharge treatment time is generally at 3min～60min.Because the differential arc oxidation treatment time is short, and electric discharge only occurs in workpiece surface, and the temperature of workpiece substrate changes little before and after differential arc oxidation is processed, and the more existing easy clean ceramic process of energy utilization rate of differential arc oxidation is high.It is worthy of note that differential arc oxidization technique uses alkaline working fluid, and can add and be suspended particle according to the needs of rete function, this makes to utilize differential arc oxidization technique can generate one deck and have in the metals such as magnalium titanium and alloy surface original position thereof the ceramic film of easy clean characteristic.
Embodiment four: present embodiment is different from embodiment three: the pH value of described working fluid is 8～14.Other is identical with embodiment three.
Embodiment five: present embodiment is different from one of embodiment three or four: described working fluid is made up of one or several mixtures and water and minerals in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide.Other is identical with embodiment three or four.
Embodiment six: present embodiment is different from one of embodiment three to five: described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water and alkali.Other is identical with embodiment three to five.
Embodiment seven: present embodiment is different from one of embodiment three to six: described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water and Organic Alcohol.Other is identical with embodiment three to six.
Embodiment eight: present embodiment is different from one of embodiment three to seven: described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water, Organic Alcohol and inorganic salt.Other is identical with embodiment three to seven.
Embodiment nine: present embodiment is different from one of embodiment three to eight: described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water, Organic Alcohol and alkali.Other is identical with embodiment three to eight.
Embodiment ten: present embodiment is different from one of embodiment three to nine: described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water, alkali and inorganic salt.Other is identical with embodiment three to nine
Embodiment 11: present embodiment is different from one of embodiment three to ten: described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water, Organic Alcohol, alkali and inorganic salt.Other is identical with embodiment three to ten.
Embodiment 12: present embodiment is different from one of embodiment three to 11: described water is deionized water.Other is identical with embodiment three to 11
Embodiment 13: present embodiment is different from one of embodiment three to 12: described inorganic salt are one or several the mixture in silicate, phosphoric acid salt, borate, titanate, ferrate, tungstate, molybdate, fluorate and aluminate.Other is identical with embodiment three to 12.
Embodiment 14: present embodiment is different from one of embodiment three to 13: described Organic Alcohol is one or several the mixture in methyl alcohol, ethanol, ethylene glycol, glycerol, Virahol and butanols.Other is identical with embodiment three to 13.
Embodiment 15: present embodiment is different from one of embodiment three to 14: described alkali is one or several the mixture in potassium hydroxide, sodium hydroxide, calcium hydroxide, lithium hydroxide and hydrated barta.Other is identical with embodiment three to 14.
Adopt following examples to verify beneficial effect of the present invention:
Embodiment mono-: the preparation method of the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking aluminium alloy 2024 as anode, taking the stainless steel plate of electrolyzer as negative electrode, aluminium alloy 2024 anodes are immersed in working fluid, then apply Bipolar pulse power at negative electrode and anode both sides, and be that 580V, reverse voltage are 63V at forward voltage, current density is 1.2A/dm
2, frequency is 1500Hz, dutycycle be 15% and temperature lower than under the condition of 80 DEG C, process 40min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
Described working fluid is mixed by deionized water, sodium hydroxide, water glass, glycerol, sodium tetraborate and silicon carbide fines; In described working fluid, the concentration of sodium hydroxide is 0.5g/L; The concentration of described working fluid mesosilicic acid sodium is 0.5g/L; In described working fluid, the concentration of glycerol is 30mL/L; In described working fluid, the concentration of sodium tetraborate is 1.75g/L; In described working fluid, the concentration of silicon carbide fines is 1.5g/L.
Described aluminium alloy 2024 is of a size of 35mm × 70mm.
25 DEG C of the initial water temperatures of the present embodiment.
The easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating thickness prepared by the present embodiment is 38 μ m～43 μ m, and its surface can be 74.2mJ/m
2, its polar molecule amount is 66.9mJ/m
2, unit surface greasy dirt residual volume A is 0.042 × 10
-4gcm
2.
Embodiment bis-: the preparation method of the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking aluminium alloy 3003 as anode, taking the stainless steel plate of electrolyzer as negative electrode, aluminium alloy 3003 anodes are immersed in working fluid, then apply Bipolar pulse power at negative electrode and anode both sides, and be that 520V, reverse voltage are 72V at forward voltage, current density is 2.5A/dm
2, frequency is 1000Hz, dutycycle be 12.5% and temperature lower than under the condition of 80 DEG C, process 40min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
Described working fluid is mixed by deionized water, sodium hydroxide, water glass, sodium wolframate, Sodium orthomolybdate, ferric oxide fines; In described working fluid, the concentration of sodium hydroxide is 1.25g/L; The concentration of described working fluid mesosilicic acid sodium is 2.5g/L; In described working fluid, the concentration of sodium wolframate is 8g/L; In described working fluid, the concentration of Sodium orthomolybdate is 1.75g/L; In described working fluid, the concentration of ferric oxide fines is 1.5g/L.
Described aluminium alloy 3003 is of a size of 40mm × 40mm.
25 DEG C of the initial water temperatures of the present embodiment.
The easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating thickness prepared by the present embodiment is 41 μ m～45 μ m, and its surface can be 73.3mJ/m
2, its polar component is 67.9mJ/m
2, unit surface greasy dirt residual volume A is 0.037 × 10
-4gcm
2.
Embodiment tri-: the preparation method of the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking aluminium alloy 5054 as anode, taking the stainless steel plate of electrolyzer as negative electrode, aluminium alloy 5054 anodes are immersed in working fluid, then apply Bipolar pulse power at negative electrode and anode both sides, and be that 535V, reverse voltage are 92V at forward voltage, current density is 2.5A/dm
2, frequency is 500Hz, dutycycle be 25% and temperature lower than under the condition of 80 DEG C, process 40min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
Described working fluid is mixed by deionized water, potassium hydroxide, water glass, sodium tetraborate, Z 250 fines, titanium carbide fines; In described working fluid, the concentration of potassium hydroxide is 1.5g/L; The concentration of described working fluid mesosilicic acid sodium is 3.5g/L; In described working fluid, the concentration of sodium tetraborate is 3.5g/L; In described working fluid, the concentration of Z 250 fines is 1.5g/L; In described working fluid, the concentration of titanium carbide fines is 1.5g/L.
Described aluminium alloy 5054 is of a size of 50mm × 100mm.
25 DEG C of the initial water temperatures of the present embodiment.
The easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating thickness prepared by the present embodiment is 36 μ m～43 μ m, and its surface can be 74.7mJ/m
2, its polar component is 68.6mJ/m
2, unit surface greasy dirt residual volume A is 0.04 × 10
-4gcm
2.
Embodiment tetra-: the preparation method of the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking aluminium alloy 6063 as anode, taking the stainless steel plate of electrolyzer as negative electrode, aluminium alloy 6063 anodes are immersed in working fluid, then apply Bipolar pulse power at negative electrode and anode both sides, and be that 560V, reverse voltage are 83V at forward voltage, current density is 3.5A/dm
2, frequency is 2000Hz, dutycycle be 30% and temperature lower than under the condition of 80 DEG C, process 40min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
Described working fluid is mixed by deionized water, sodium hydroxide, water glass, glycerol, sodium tetraborate, silicon-dioxide fines; In described working fluid, the concentration of sodium hydroxide is 2.5g/L; The concentration of described working fluid mesosilicic acid sodium is 5g/L; In described working fluid, the concentration of glycerol is 15mL/L; In described working fluid, the concentration of sodium tetraborate is 10g/L; In described working fluid, the concentration of silicon-dioxide fines is 1.5g/L.
Described aluminium alloy 6063 is of a size of Φ 35mm.
25 DEG C of the initial water temperatures of the present embodiment.
The easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating layer thickness prepared by the present embodiment is 47 μ m～53 μ m, and its surface can be 75.4mJ/m
2, its polar component is 88.9mJ/m
2, unit surface greasy dirt residual volume A is 0.045 × 10
-4gcm
2.
Embodiment five: the preparation method of the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking aluminium alloy ADC12 as anode, taking the stainless steel plate of electrolyzer as negative electrode, aluminium alloy ADC12 anode is immersed in working fluid, then apply Bipolar pulse power at negative electrode and anode both sides, and be that 560V, reverse voltage are 73V at forward voltage, current density is 3.5A/dm
2, frequency is 1200Hz, dutycycle be 25% and temperature lower than under the condition of 80 DEG C, process 50min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
Described working fluid is mixed by deionized water, sodium hydroxide, water glass, tertiary sodium phosphate, sodium tetraborate, silicon carbide fines; In described working fluid, the concentration of sodium hydroxide is 2.5g/L; The concentration of described working fluid mesosilicic acid sodium is 3.5g/L; In described working fluid, the concentration of tertiary sodium phosphate is 5g/L; In described working fluid, the concentration of sodium tetraborate is 5g/L; In described working fluid, the concentration of silicon carbide fines is 1.5g/L.
Described aluminium alloy ADC12 is of a size of 50mm × 120mm.
25 DEG C of the initial water temperatures of the present embodiment.
The easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating layer thickness prepared by the present embodiment is 35 μ m～43 μ m, and its surface can be 73.2mJ/m
2, its polar component is 69.5mJ/m
2, unit surface greasy dirt residual volume A is 0.049 × 10
-4gcm
2.
Embodiment six: the preparation method of the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking aluminium alloy ZL104 as anode, taking the stainless steel plate of electrolyzer as negative electrode, aluminium alloy ZL104 anode is immersed in working fluid, then apply Bipolar pulse power at negative electrode and anode both sides, and be that 540V, reverse voltage are 88V at forward voltage, current density is 5A/dm
2, frequency is 500Hz, dutycycle be 40% and temperature lower than under the condition of 80 DEG C, process 50min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
Described working fluid is mixed by deionized water, potassium hydroxide, water glass, Virahol, sodium tetraborate, aluminium sesquioxide fines, silicon carbide fines; In described working fluid, the concentration of potassium hydroxide is 2.5g/L; The concentration of described working fluid mesosilicic acid sodium is 15g/L; In described working fluid, the concentration of Virahol is 30mL/L; In described working fluid, the concentration of sodium tetraborate is 10g/L; In described working fluid, the concentration of aluminium sesquioxide fines is 2.5g/L; In described working fluid, the concentration of silicon carbide fines is 1.5g/L.
Described aluminium alloy ZL104 is of a size of 35mm × 70mm.
25 DEG C of the initial water temperatures of the present embodiment.
The easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating layer thickness prepared by the present embodiment is 35 μ m～42 μ m, and its surface can be 73.5mJ/m
2, its polar component is 69.9mJ/m
2, unit surface greasy dirt residual volume A is 0.048 × 10
-4gcm
2.
Claims (9)
1. the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating, is characterized in that the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating is that aluminium alloy is prepared from surface by differential arc oxidation and can be greater than 73.1mJ/m
2, polar molecule amount is greater than 60.0mJ/m
2, unit surface greasy dirt residual volume A≤0.05 × 10
-4gcm
2the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
2. the easy clean property of aluminum alloy surface according to claim 1 Micro-Arc Oxidized Ceramic Coating, is characterized in that the described easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating thickness is 10 μ m～80 μ m.
3. the preparation method of the easy clean property of aluminum alloy surface as claimed in claim 1 Micro-Arc Oxidized Ceramic Coating, is characterized in that the preparation method of the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating carries out according to following steps:
Taking Al alloy parts as anode, taking the stainless steel plate of electrolyzer as negative electrode, Al alloy parts anode is immersed in working fluid, then apply bipolar pulse electricity at negative electrode and anode both sides, and be that 350V～650V, reverse voltage are 20V～120V at forward voltage, current density is 0.5A/dm
2～20A/dm
2, frequency is 200Hz～2000Hz, dutycycle be 10%～40% and temperature lower than under the condition of 80 DEG C, process 3min～60min, obtain the easy clean property of aluminum alloy surface Micro-Arc Oxidized Ceramic Coating.
4. the preparation method of the easy clean property of aluminum alloy surface according to claim 3 Micro-Arc Oxidized Ceramic Coating, is characterized in that the pH value of described working fluid is 8～14.
5. the preparation method of the easy clean property of aluminum alloy surface according to claim 3 Micro-Arc Oxidized Ceramic Coating, is characterized in that described working fluid is made up of one or several mixtures and water and minerals in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide; Or described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water and alkali; Or described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water and Organic Alcohol; Or described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water, Organic Alcohol and inorganic salt; Or described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water, Organic Alcohol and alkali; Or described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water, alkali and inorganic salt; Or described working fluid is made up of one or several mixtures in aluminium sesquioxide, silicon-dioxide, ferric oxide, Z 250, silicon carbide, norbide and titanium carbide and water, Organic Alcohol, alkali and inorganic salt.
6. the preparation method of the easy clean property of aluminum alloy surface according to claim 5 Micro-Arc Oxidized Ceramic Coating, is characterized in that described water is deionized water.
7. the preparation method of the easy clean property of aluminum alloy surface according to claim 5 Micro-Arc Oxidized Ceramic Coating, is characterized in that described inorganic salt are one or several the mixture in silicate, phosphoric acid salt, borate, titanate, ferrate, tungstate, molybdate, fluorate and aluminate.
8. the preparation method of the easy clean property of aluminum alloy surface according to claim 5 Micro-Arc Oxidized Ceramic Coating, is characterized in that described Organic Alcohol is one or several the mixture in methyl alcohol, ethanol, ethylene glycol, glycerol, Virahol and butanols.
9. the preparation method of the easy clean property of aluminum alloy surface according to claim 5 Micro-Arc Oxidized Ceramic Coating, is characterized in that described alkali is one or several the mixture in potassium hydroxide, sodium hydroxide, calcium hydroxide, lithium hydroxide and hydrated barta.
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| CN111172573A (en) * | 2018-11-13 | 2020-05-19 | 北京艾路浦科技发展有限公司 | Preparation method of micro-arc oxidation ceramic membrane |
| CN115928170A (en) * | 2022-12-28 | 2023-04-07 | 浙江中行新材料科技有限公司 | Aluminum-based bending-resistant corrosion-resistant flexible ceramic film and preparation method thereof |
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