CN102618855A - Ni-P-Al2O3 nanometer composite coating and preparation method thereof - Google Patents
Ni-P-Al2O3 nanometer composite coating and preparation method thereof Download PDFInfo
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- CN102618855A CN102618855A CN201210005903XA CN201210005903A CN102618855A CN 102618855 A CN102618855 A CN 102618855A CN 201210005903X A CN201210005903X A CN 201210005903XA CN 201210005903 A CN201210005903 A CN 201210005903A CN 102618855 A CN102618855 A CN 102618855A
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000000576 coating method Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 239000011248 coating agent Substances 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 229910052593 corundum Inorganic materials 0.000 title abstract 3
- 229910001845 yogo sapphire Inorganic materials 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000000227 grinding Methods 0.000 claims abstract description 23
- 239000000126 substance Substances 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 19
- 239000011324 bead Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000010533 azeotropic distillation Methods 0.000 claims abstract description 3
- 238000007747 plating Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 15
- 238000013019 agitation Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000002114 nanocomposite Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 229910018104 Ni-P Inorganic materials 0.000 claims description 6
- 229910018536 Ni—P Inorganic materials 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- 238000007669 thermal treatment Methods 0.000 claims description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 4
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000004310 lactic acid Substances 0.000 claims description 3
- 235000014655 lactic acid Nutrition 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 150000002815 nickel Chemical class 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 239000001509 sodium citrate Substances 0.000 claims description 3
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- 239000001384 succinic acid Substances 0.000 claims description 3
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 claims description 3
- 229940038773 trisodium citrate Drugs 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 6
- 229910001018 Cast iron Inorganic materials 0.000 abstract description 3
- 239000002105 nanoparticle Substances 0.000 abstract description 3
- 230000002829 reductive effect Effects 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 239000011574 phosphorus Substances 0.000 abstract description 2
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 238000010183 spectrum analysis Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000007772 electroless plating Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- -1 carbide Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a Ni-P-Al2O3 nanometer composite coating and a preparation method thereof. According to the invention, a wet alumina ceramic agitated bead mill ultrafine grinding process with high energy density and an azeotropic distillation drying process are combinedly used to prepare dispersed nanoparticle-level pure solid alumina powder with an average particle size of 12 nanometers, and then nanometer alumina particles are added into a chemical coating bath and deposit, together with nickel and phosphorus, on the surface of a cast iron workpiece so as to form the Ni-P-Al2O3 nanometer composite coating. The nanometer alumina particles prepared by the method provided in the invention can improve the hardness and wear resistance of the coating and enhance wear resistance of a mechanical part, thereby improving the service life of the coating; not only preparation cost for the composite coating is reduced, but also the composite coating having the advantages of uniformity, low porosity and excellent wear resistance is obtained.
Description
Technical field
The present invention relates to the ni-p electroless plating field, specifically is a kind of Ni-P-Al
2O
3Nano-composite plate and preparation method thereof.
Background technology
Chemical nickel plating is to use reductive agent to have the nickel ion reduce deposition in the solution on the surface of catalytic activity.But simple alloy layer has satisfied not various industrial sectors sometimes to many-sided requirements such as coating hardness, wear resistance, solidity to corrosion, self lubricity, electroconductibility, has therefore studied the compound phase coating of doping solid, inert particulate in alloy both at home and abroad in large quantities.Nano material has good performance, so the nano material Technology that is applied to the composite chemical coating technology has caused widely and pays close attention to.People have also prepared the composite deposite of various features in succession, like superhard wear coating, self-lubricating coating, protection against corrosion coating, electroconductive coating, decorative coating etc.The patent of having invented has: the preparation method of self-lubricating chemical composite plating (CN200510025066.7), a kind of middle temperature acidic nanometer chemical composition plating Ni-P-Al
2O
3Technical recipe (CN201010500630.7), fiber-optic grating sensor Ni-P Ni-P-ZrO
2Method (CN200810061209.3),
OnePlant high phosphorus Ni-P-SiC composite deposite and preparation technology (CN200710015538.X) thereof; Nickel-base composite coat of a kind of wear resistant friction reducing and preparation method thereof (CN200510061588.2); The method (CN200710067634.9) for preparing nanometer antiwear composite coating at metal base surface; The process method (CN200810137036.9) of Ni-P-Ni/SiC composite deposite preparation; The method of enhancing nickel-phosphorus composite deposit by using modified nano silicon dioxide particles (CN201010253728.7), chemical deposited nickel-phosphorus-nano titanium dioxide photocatalysis composite coating plating solution and solution and coating method (CN200910116004.5) thereof.
Oneself a kind of utmost point of being considered to problems such as current solution high temperature corrosion, hot strength and wearing and tearing of Ni-P has the method for application prospect, is a kind of advanced method of producing composite surface material.Therefore, through the fast development of nearly decades, Ni-P has become one of most active field of surface engineering technique.
Along with research in recent years, the insoluble solid particle that is used for compound plating expands to the pottery grain husk grain of present nearly all type, various metal-powder, toner and graphite, MoS from oxide compound, carbide, nitride
2, WS, tetrafluoroethylene, diamond etc. all can be used as the particle of plating.But, obtain former studies and application second mutually insoluble particle all be to adopt the chemical method preparation, therefore, have comparatively shortcoming such as complicacy of the high and subsequent treatment process of preparation cost.Low-cost preparation; Technology ceramic agitation beads grinding machine extra-fine grinding wet method simple and high-energy-density that can nearly " zero " contamination particle of output prepares the nano-ceramic particle that can be used for compound plating effectively, and can be used for preparing the composite deposite that interpolation and chemical method prepare the identical excellent property of nano-ceramic particle.
Summary of the invention
The objective of the invention is to deficiency, a kind of Ni-P-Al is provided to prior art
2O
3Nano-composite plate and preparation method thereof.The nano aluminium oxide that the present invention adopts a kind of nearly " zero " of ceramic agitation beads grinding machine extra-fine grinding wet method preparation of high-energy-density to pollute is the compound second phase particle, and the method preparation of employing electroless plating contains the nickel-phosphorus composite deposit of the nano aluminium oxide of extra-fine grinding.
Realize that the technical scheme that the object of the invention adopted comprises:
A kind of Ni-P-Al
2O
3The preparation method of nano-composite plate comprises the steps:
(1) preparation nano alumina particles
At first, configuration solid masses concentration is 30% micron order alumina raw material slip, through peristaltic pump slip is pumped into Laboratary type ball mill pottery mill chamber; The peristaltic pump rotating speed is made as 25rpm, zirconium white mill pearl pearl footpath: 0.4～0.6 mm, and the ceramic runner rotating speed of grinding machine is 2500rpm; Alumina-ceramic grinding chamber internal pressure: 0.03MPa; Grinding temperature: 65 ℃, circular grinding obtained the alumina in Nano level slip after 12 hours; This alumina in Nano level slip is dry, obtain the nano aluminium oxide pressed powder;
(2) surface treatment of body material
With the polishing of substrate material surface process, polishing, rust cleaning, oil removing and acid-wash activation operation;
(3) configuration of chemical plating fluid
Be configured to the chemical plating fluid of 300ml with deionized water; Comprise: single nickel salt: 30 g/L, inferior sodium phosphate: 30 g/L, Trisodium Citrate: 9 g/L, Succinic Acid: 12 g/L, lactic acid: 7 g/L, oxysuccinic acid: 9 g/L, matt salt: 1 g/L, and nano aluminium oxide: 0.5～2 g/L;
(4) Ni-P
With the above-mentioned chemical plating fluid that configures; Regulate the pH value in 5.2～5.5 with ammoniacal liquor, be warming up to 70 ℃ again, the body material that surface treatment is good placed the chemical plating fluid plating 90 minutes; Keeping magnetic agitation speed is 200rpm, can obtain composite deposite at substrate material surface;
(5) coating thermal treatment
Place 350 ℃ electric furnace to be incubated 1 hour the composite deposite of above-mentioned gained, can obtain required Ni-P-Al
2O
3Nano-composite plate.
The dry azeotropic distillation drying that adopts of alumina in Nano level slip in the said step (1) promptly comprises: with mass percent is evaporation together after the ethanol of 4.43% water and 95.57% mixes, treat that ethanol evaporation finishes after, can obtain the nano aluminium oxide pressed powder.
The used sand paper order number of substrate material surface polishing is followed successively by 400 orders, 800 orders, 1000 orders, 1500 orders in the said step (2); The employing mass percent is 50% HCl solution rust cleaning; Adopt NaOH and Na
3PO
4By weight the mixing solutions oil removing that is 1:1; Adopting mass percent is that 10% HCl solution soaking 30s is with the activation substrate material surface.
Chemical plating fluid also needs to disperse through 0.5 hour ultra-sonic dispersion and 1 hour magnetic agitation before plating in the said step (4), and wherein the zirconium oxide bead pearl directly is 0.3～0.5mm in the magnetic agitation groove, and the magnetic agitation rotating speed is 200rpm.
Another object of the present invention provides a kind of Ni-P-Al that is formed by method for preparing
2O
3Nano-composite plate.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) to adopt a kind of nano aluminium oxide of near " zero " pollution of ceramic agitation beads grinding machine extra-fine grinding wet method preparation of high-energy-density be the compound second phase particle to the inventive method; And obtaining nano particle composite deposite with chemical method preparation at the hardness coating similar with wear resisting property, this measure can reduce the preparation cost that is used for the composite deposite nano particle.
(2) Ni-P-Al of the inventive method preparation
2O
3Nano-composite plate all is superior to the common coating of Ni-P on hardness, wear resisting property.
(3) the inventive method adopts electroless plating method; This method does not rely on impressed current, only depends on the reductive agent in the plating bath to carry out redox reaction, under the self-catalysis of metallic surface, makes metals ion constantly be deposited on the metallic surface; Therefore; Apparatus and process is simple, does not need power supply and electrode system during operation, only need workpiece be suspended in the plating bath to get final product; Compare with electrolytic coating, chemical plating does not receive the restriction of complex part complex configuration, and thickness is even, and porosity is lower, and is strong with basal body binding force.
(4) the present invention adopts the azeotropic drying method dry, compares with the forced air drying method and can obtain dispersiveness nano-powder preferably.
Description of drawings
Fig. 1 is that the embodiment of the invention 1 nano alumina particles particle diameter and specific surface are with the milling time change curve;
Fig. 2 is the embodiment of the invention 1 a nano alumina particles sem photograph;
Fig. 3 is the embodiment of the invention 1 a composite deposite surface topography map;
Fig. 4 is the energy spectrum analysis figure of the embodiment of the invention 1 composite deposite.
Embodiment
Below in conjunction with specific embodiment the present invention is done further concrete detailed description the in detail, but embodiment of the present invention is not limited thereto, the processing parameter for not indicating especially can carry out with reference to routine techniques.
The configuration solid content is 30% alumina raw material slip; Through peristaltic pump slip is pumped into WLB-0.3G Laboratary type ball mill pottery mill chamber, when feeding coal is 1.5l/min, grinding zirconium oxide bead directly is 0.4-0.6 mm; The ceramic runner rotating speed of grinding machine is 2500rpm; Circular grinding 12 hours obtains median size and is nearly " zero " pollution alumina in Nano level slip of 12 nanometers, and is as shown in Figure 1.Method by in above-mentioned second step is carried out azeotropic drying, obtains the nano alumina particles of good dispersion, surface clean, and is as shown in Figure 2.
Cast iron (10*10*10mm) material is through these five operations of polishing-polishing-rust cleaning-oil removing-acid-wash activation.The sand paper order number of wherein polishing used is followed successively by 400 orders, 800 orders, 1000 orders, 1500 orders.Adopt 50% HCl solution rust cleaning, NaOH and Na
3PO
4Mixing solutions (wt1:1) oil removing, 10% HCl solution soaking 30s is with the activation matrix surface.
Dispose the 300ml plating bath by following various material conditions with deionized water.
Single nickel salt: 30 g/L inferior sodium phosphate: 30 g/L
Trisodium Citrate: 9 g/L Succinic Acid: 12 g/L
Lactic acid: 7 g/L oxysuccinic acid: 9 g/L
Matt salt: the nano aluminium oxide of 1 g/L extra-fine grinding preparation: 0.5 g/L
Regulate the pH value in 5.2-5.5 with ammoniacal liquor; The chemical composite plating bath that contains the nano aluminium oxide of extra-fine grinding preparation disperses (steel basin includes pearl and directly is the zirconium oxide bead of 0.3-0.5mm) through 0.5 hour ultra-sonic dispersion and 1 hour high speed magnetic agitation before plating, stirring velocity is 800rpm.
Treat that bath temperature rises to 70 ℃ and insulation; Keeping magnetic agitation speed is that 200rpm is to guarantee the good dispersion suspension state of nano alumina particles; The body material that surface treatment is good places scattered chemical plating fluid plating 90 minutes, takes out plating piece, dries to be placed in the electric furnace to be incubated 1 hour down at 350 ℃; Acquisition is deposited on the composite deposite of Cast Iron Surface, and is as shown in Figure 3.The coating aluminium content that obtains through energy spectrum analysis is 3.77%, and as shown in Figure 4, the heat treated vickers microhardness of coating is 904HV.
Embodiment 2:
Press the same step of embodiment 1, but the addition that changes the nano aluminium oxide of extra-fine grinding preparation in the plating bath is 1g/L.The coating aluminium content that obtains through energy spectrum analysis is 3.94%, and the vickers microhardness after the coating thermal treatment is 930HV.
Press the same step of embodiment 1, but the addition that changes the nano aluminium oxide of extra-fine grinding preparation in the plating bath is 2g/L.The coating aluminium content that obtains through energy spectrum analysis is 3.94%, and the vickers microhardness after the coating thermal treatment is 1016HV.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (5)
1. Ni-P-Al
2O
3The preparation method of nano-composite plate is characterized in that, comprises the steps: (1) preparation nano alumina particles
At first, configuration solid masses concentration is 30% micron order alumina raw material slip, through peristaltic pump slip is pumped into Laboratary type ball mill pottery mill chamber; The peristaltic pump rotating speed is made as 25rpm, zirconium white mill pearl pearl footpath: 0.4～0.6 mm, and the ceramic runner rotating speed of grinding machine is 2500rpm; Alumina-ceramic grinding chamber internal pressure: 0.03MPa; Grinding temperature: 65 ℃, circular grinding obtained the alumina in Nano level slip after 12 hours; This alumina in Nano level slip is dry, obtain the nano aluminium oxide pressed powder;
(2) surface treatment of body material
With the polishing of substrate material surface process, polishing, rust cleaning, oil removing and acid-wash activation operation;
(3) configuration of chemical plating fluid
Be configured to the chemical plating fluid of 300ml with deionized water; Comprise: single nickel salt: 30 g/L, inferior sodium phosphate: 30 g/L, Trisodium Citrate: 9 g/L, Succinic Acid: 12 g/L, lactic acid: 7 g/L, oxysuccinic acid: 9 g/L, matt salt: 1 g/L, and nano aluminium oxide: 0.5～2 g/L;
(4) Ni-P
With the above-mentioned chemical plating fluid that configures, regulate the pH value in 5.2～5.5 with ammoniacal liquor, be warming up to 70 ℃ again, the body material that surface treatment is good placed the chemical plating fluid plating 90 minutes, and keeping magnetic agitation speed is 200rpm, can obtain composite deposite;
(5) coating thermal treatment
Place 350 ℃ electric furnace to be incubated 1 hour the composite deposite of above-mentioned gained, can obtain required Ni-P-Al
2O
3Nano-composite plate.
2. preparation method according to claim 1 is characterized in that, nano level oxygen in the step (1)
Change the dry azeotropic distillation drying that adopts of aluminium slip, promptly comprise: with mass percent is evaporation together after the ethanol of 4.43% water and 95.57% mixes, treat that ethanol evaporation finishes after, can obtain the nano aluminium oxide pressed powder.
3. preparation method according to claim 1 is characterized in that, the used sand paper order number of substrate material surface polishing is followed successively by 400 orders, 800 orders, 1000 orders, 1500 orders in the step (2); The employing mass percent is 50% HCl solution rust cleaning; Adopt NaOH and Na
3PO
4By weight the mixing solutions oil removing that is 1:1; Adopting mass percent is that 10% HCl solution soaking 30s is with the activation substrate material surface.
4. preparation method according to claim 1; It is characterized in that; Chemical plating fluid also needs to disperse through 0.5 hour ultra-sonic dispersion and 1 hour magnetic agitation before plating in the step (4); Wherein the zirconium oxide bead pearl directly is 0.3～0.5mm in the magnetic agitation groove, and the magnetic agitation rotating speed is 200rpm.
5. Ni-P-Al
2O
3Nano-composite plate is characterized in that, is prepared from any said method of said claim 1 to 4.
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| CN104858424A (en) * | 2015-05-05 | 2015-08-26 | 湖南理工学院 | Cu50Zr40Ti10Ni-P amorphous alloy composite powder and preparation technology |
| CN105349974A (en) * | 2015-12-03 | 2016-02-24 | 安徽大学 | Mold coating material containing ZrO2, PTFE and Ni-P alloy, method for enhancing mold performance and anti-corrosion wear-resistant product |
| CN106086830A (en) * | 2016-07-21 | 2016-11-09 | 江苏盈科汽车空调有限公司 | A kind of modified model high-antiwear self-lubricating chemical nickel plating solution |
| CN106086831A (en) * | 2016-07-21 | 2016-11-09 | 江苏盈科汽车空调有限公司 | A kind of car air conditioning compressor slanting plate surface nickel phosphorus alloy deposition processing recipe |
| CN106086832A (en) * | 2016-07-21 | 2016-11-09 | 江苏盈科汽车空调有限公司 | A kind of maintaining method of car air conditioning compressor slanting plate surface nickel phosphorus alloy special chemistry nickel plating bath |
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| CN108642430A (en) * | 2018-05-16 | 2018-10-12 | 安徽三环水泵有限责任公司 | A kind of process of surface treatment of slush pump pump shaft |
| CN113583536A (en) * | 2021-07-26 | 2021-11-02 | 苏州市万利成制桶有限公司 | Formula and manufacturing process of outer-layer stab-resistant coating of environment-friendly metal barrel |
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