CN111334827A - Ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating and preparation method thereof - Google Patents
Ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating and preparation method thereof Download PDFInfo
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- CN111334827A CN111334827A CN202010175554.0A CN202010175554A CN111334827A CN 111334827 A CN111334827 A CN 111334827A CN 202010175554 A CN202010175554 A CN 202010175554A CN 111334827 A CN111334827 A CN 111334827A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/20—Electroplating using ultrasonics, vibrations
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
Abstract
The invention relates to a preparation method of an ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating. According to the invention, the concentration of nickel ions in the plating solution is reduced, the concentration of W ions is increased, the content of a complexing agent is reduced, and the content of a W component in the plating layer is improved; by an ultrasonic-assisted method, the concentration of TiN nano particles is reduced, an SDS (sodium dodecyl sulfate) auxiliary agent is used, the agglomeration is reduced, and the distribution uniformity of particles in a coating is improved; by nano rare earth oxide CeO2The doping improves the corrosion resistance of the Ni-W-TiN coating; meanwhile, the proportion of the plating solution and the technological parameters are optimized. The preparation process comprises the following steps: 1. preparing an electrolyte; 2. base material pretreatment, 3, electrodeposition. The invention relates to an ultrasonic auxiliary nano-meterThe cerium oxide doped Ni-W-TiN composite coating effectively solves the agglomeration problem of nano particles, improves the dispersion uniformity of the nano particles, and has CeO2The protective performance of the Ni-W alloy is improved by the cooperation of the Ni-W alloy and TiN. The plating layer has better wear resistance and corrosion resistance, the comprehensive performance is obviously improved, and the plating layer can better adapt to severe corrosive environment.
Description
Technical Field
The invention relates to an ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating, in particular to an ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating and a preparation method thereof.
Background
In recent years, composite nanoparticles in alloys have become a focus of research in recent years, such as adding TiO to Ni-based alloys (Ni-W, Ni-Co, Ni-B)2，α-Al2O3，SiO2SiC and the like, not only can further improve the hardness and the wear resistance of the alloy, but also can enhance the corrosion resistance, the mechanical strength, the thermal stability and the like. The Ni-W alloy has good corrosion resistance and wear resistance and excellent mechanical property, and is widely applied to the fields of marine machinery, chemical equipment, aerospace, nuclear facilities and the like. In recent years, along with the progress of science and technology and the development of social economy, the nuclear industry, aerospace, petrochemical industry and ocean development industry in China are developed vigorously, and the demand on high-performance protection technology is urgent. In order to prolong the service life of mechanical equipment in an extremely severe environment and widen the application field of the mechanical equipment, higher and higher requirements are provided for the performance of a protective coating. At present, the performance of Ni-W alloy can not meet the requirement of long-term protection in extreme environment.
Disclosure of Invention
The invention aims to improve the performance of Ni-W alloy and enhance the long-acting protection performance of the Ni-W alloy in extreme environments, and provides a preparation method of an ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating.
The technical scheme adopted by the invention is as follows: an ultrasonic-assisted preparation method of a nano cerium oxide doped Ni-W-TiN composite coating comprises the following steps
Preparation before plating: derusting, deoiling, washing and activating a workpiece to be plated;
preparing an electrolyte: the components contained in the electrolyte and the concentration of each component are 22-30 g/L of nickel sulfate hexahydrate, 70-80 g/L of sodium tungstate dihydrate, 65-85 g/L of trisodium citrate dihydrate, 15-50 g/L of sodium bromide, 2-8 g/L of nano cerium oxide and 5-20 g/L of nano titanium nitride; 0.005-0.05 g/L of sodium dodecyl sulfate;
heating the prepared electrolyte to 50-55 ℃ and stirring for 10-60 minutes;
electro-deposition: putting a workpiece to be plated into electrolyte, taking a pure nickel plate as an anode and the workpiece to be plated as a cathode, and preparing a cerium oxide doped Ni-W-TiN nano composite coating by adopting a pulse electrodeposition method.
Further, in the electrodeposition process, the deposition parameters are as follows: the pH value of the plating solution is 8.2-9.0, and the temperature of the plating solution is as follows: 50-60 ℃, current duty ratio of 30-90%, current frequency of 60-200 Hz, deposition time: 10-60 min, average current density: 2-5A dm2Electrode spacing: 5 cm.
Furthermore, when the nano composite coating is prepared by electrodeposition, the plating solution is magnetically stirred at the speed of 300-600rpm by adopting an ultrasonic auxiliary mode.
Furthermore, the raw material used for preparing the plating solution containing cerium oxide is nano cerium oxide, the particle size of the nano cerium oxide is 10-60nm, the raw material used for preparing the plating solution containing titanium nitride is nano titanium nitride, the particle size of the nano TiN is 10-60nm, and the purity of the nano cerium oxide and the purity of the nano titanium nitride are both more than 99 percent.
Further, the electrolyte preparation process comprises: firstly, preparing a first plating solution containing nickel sulfate hexahydrate, sodium tungstate dihydrate, trisodium citrate dihydrate, sodium bromide and sodium dodecyl sulfate at a set concentration, and then taking part of the first plating solution to dissolve nano cerium oxide and nano titanium nitride to form a second plating solution; and ultrasonically dispersing the plating solution II, adding the plating solution II into the rest plating solution I, and uniformly mixing to obtain the electrolyte.
Furthermore, 50-100mL of first plating solution is needed for dissolving the nano cerium oxide and the nano titanium nitride, ultrasonic dispersion treatment is used for 15-30min in the dissolving process, and then the first plating solution is added into the rest of the first plating solution.
Furthermore, two types of particles of nano titanium nitride and nano cerium oxide are uniformly distributed in the cerium oxide doped Ni-W-TiN nano composite coating.
Further, the preparation before plating specifically comprises: the workpiece to be plated is sequentially polished and polished to be bright by 400, 800, 1500 and 3000-mesh abrasive paper step by step, washed clean by water, deoiled by alkali liquor containing a surfactant, washed, ultrasonically cleaned for 3-10 minutes, etched by dilute hydrochloric acid for 20-60 seconds, and finally washed by water or washed clean.
The beneficial effects produced by the invention comprise: according to the invention, the concentration of nickel ions in the plating solution is reduced, the concentration of W ions is increased, the content of a complexing agent is reduced, and the content of a W component in the plating layer is improved; by an ultrasonic-assisted method, the concentration of TiN nano particles is reduced, an SDS (sodium dodecyl sulfate) auxiliary agent is used, the agglomeration is reduced, and the dispersibility of particles in a coating is improved; finally passing through nano rare earth oxide CeO2The doping improves the corrosion resistance of the Ni-W-TiN coating, thereby obtaining the ultrasonic-assisted cerium oxide doped Ni-W-TiN nano composite coating with excellent protective performance.
1. The invention comprehensively utilizes the performance advantages of rare earth oxide cerium oxide and nano ceramic particle titanium nitride, adopts an ultrasonic-assisted method to prepare the cerium oxide doped Ni-W-TiN nano composite coating, and obviously improves the corrosion resistance and the wear resistance.
2. Compared with Ni, Ni-W, Ni-W-TiN and other coatings, the invention has different microstructures and superior performance, and can expand the functions and application fields thereof.
3. The method reduces the agglomeration phenomenon of nano particles, and the prepared coating has uniform particle distribution, compact coating, simple process and certain economical efficiency.
4. The plating layer has more excellent corrosion resistance, abrasion resistance and high hardness, the comprehensive performance of the plating layer is obviously improved, and the plating layer can better adapt to extreme environments.
Detailed Description
The present invention is explained in further detail with reference to specific examples, but it should be understood that the scope of the present invention is not limited to the specific examples.
In the present invention, unless otherwise specified, the proportions referred to are mass ratios and the parts referred to are mass parts.
Example 1
Heating 500 mL of water to 50 ℃, sequentially adding 22 g of nickel sulfate hexahydrate, 70 g of sodium tungstate dihydrate, 65 g of trisodium citrate dihydrate, 15 g of sodium bromide and 0.005 g of sodium dodecyl sulfate under mechanical stirring, and diluting with water to 800 mL to form the plating solution. Taking 50 mL of plating solution, then placing 2 g of nano cerium oxide and 5 g of nano titanium nitride in 50 mL of plating solution for dissolving and carrying out ultrasonic dispersion treatment for 15 min, then adding the rest of plating solution, adjusting the pH value to 8.5 by using ammonia water, then fixing the volume to 1L, and continuing stirring for 20 min to prepare the required electrolyte.
The base material is sequentially polished and polished by 400, 800, 1500 and 3000-mesh abrasive paper step by step until the base material is bright, then the base material is washed clean by pure water, treated by alkali liquor (60 ℃) containing a surfactant for 2 minutes, washed and ultrasonically cleaned for 3 minutes, etched by dilute hydrochloric acid for 20 seconds, and finally soaked and cleaned by the pure water. Finally, when the workpiece is taken out, no water drops exist on the surface, and a uniform and complete water film can be formed.
Immediately putting a workpiece to be plated into electrolyte, taking a pure nickel plate as an auxiliary electrode and a workpiece to be plated as a working electrode, adopting an ultrasonic auxiliary mode, simultaneously carrying out magnetic stirring at the speed of 300 rpm, and controlling the deposition parameters to be 8.5 of the pH value of the plating solution and the temperature: 50 ℃, current duty cycle of 30%, current frequency of 60 Hz, deposition time: 10 min, average current density: 2 Adm2Electrode spacing: 5 cm. And after the deposition is finished, taking out the workpiece to be plated, washing or rinsing the workpiece with water, carrying out ultrasonic treatment for 1 minute, rinsing, airing, drying and storing. Thus obtaining the ultrasonic-assisted cerium oxide doped Ni-W-TiN nano composite coating.
Example 2
Heating 600 mL of water to 55 ℃, sequentially adding 25 g of nickel sulfate hexahydrate, 74 g of sodium tungstate dihydrate, 70 g of trisodium citrate dihydrate, 20 g of sodium bromide and 0.01 g of sodium dodecyl sulfate under mechanical stirring, and diluting with water to 850 mL to form the plating solution. And (3) taking 80 mL of plating solution, dissolving 4 g of nano cerium oxide and 10 g of nano titanium nitride in the 80 mL of plating solution, performing ultrasonic dispersion treatment for 20 min, then adding the rest, adjusting the pH value to 8.7 by using ammonia water, then fixing the volume to 1L, and continuing stirring for 30min to obtain the required electrolyte.
The workpiece is sequentially polished and polished by 400, 800, 1500 and 3000-mesh abrasive paper step by step to be bright, then is washed clean by pure water, is treated for 3 minutes by alkali liquor (50 ℃) containing a surfactant, is washed by ultrasonic waves for 5 minutes, is etched for 30 s by dilute hydrochloric acid, and finally is soaked and washed by pure water. Finally, when the workpiece is taken out, no water drops exist on the surface, and a uniform and complete water film can be formed.
Putting the workpiece into electrolyte immediately, taking a pure nickel plate as an auxiliary electrode and the workpiece as a working electrode, adopting an ultrasonic auxiliary mode, and simultaneously carrying out magnetic stirring at the speed of 350 rpm, controlling the deposition parameters to be 8.7 of the pH value of the plating solution, and controlling the temperature to be: 55 ℃, current duty cycle of 60%, current frequency of 100 Hz, deposition time: 20 min, average current density: 3A dm2Electrode spacing: 5 cm. And after the deposition is finished, taking out the workpiece, washing or rinsing the workpiece with water, treating the workpiece with ultrasonic waves for 2 minutes, rinsing, airing, drying and storing. Thus obtaining the ultrasonic-assisted cerium oxide doped Ni-W-TiN nano composite coating.
Example 3
Heating 700 mL of water to 60 ℃, sequentially adding 27 g/L of nickel sulfate hexahydrate, 76 g of sodium tungstate dihydrate, 75 g of trisodium citrate dihydrate, 25 g of sodium bromide and 0.02 g of sodium dodecyl sulfate under mechanical stirring, and diluting with water to 900 mL to form the plating solution. Taking 90 mL of plating solution, dissolving 6 g of nano cerium oxide and 20 g of nano titanium nitride in the 90 mL of plating solution, performing ultrasonic dispersion treatment for 25 min, then adding the rest of plating solution, adjusting the pH value to 8.8 by using ammonia water, then fixing the volume to 1L, and continuing stirring for 40 min to prepare the required electrolyte.
The base material is sequentially polished and polished by 400, 800, 1500 and 3000-mesh abrasive paper step by step to be bright, then is washed clean by pure water, is treated for 4 minutes by alkali liquor (55 ℃) containing a surfactant, is washed and ultrasonically cleaned for 7 minutes, is etched for 40 s by dilute hydrochloric acid, and finally is soaked and washed by pure water. Finally, when the workpiece is taken out, no water drops exist on the surface, and a uniform and complete water film can be formed.
Putting the workpiece into electrolyte immediately, taking a pure nickel plate as an auxiliary electrode and the workpiece as a working electrode, adopting an ultrasonic auxiliary mode, and simultaneously carrying out magnetic stirring at a speed of 400 rpm, controlling the deposition parameters to be 8.8 of the pH value of the plating solution, and controlling the temperature: 60 ℃, current duty cycle of 80%, current frequency of 150 Hz, deposition time: 30min, average current density: 4A dm2Electrode spacing: 5 cm. And after the deposition is finished, taking out the workpiece, washing or rinsing the workpiece with water, treating the workpiece with ultrasonic waves for 3 minutes, rinsing, airing, drying and storing. Thus obtaining the ultrasonic-assisted cerium oxide doped Ni-W-TiN nano composite coating.
Example 4
550 mL of water is taken and heated to 50 ℃, 30 g of nickel sulfate hexahydrate, 78 g of sodium tungstate dihydrate, 80 g of trisodium citrate dihydrate, 30 g of sodium bromide and 0.03 g of sodium dodecyl sulfate are sequentially added under mechanical stirring, and the mixture is diluted to 800 mL by water to form the plating solution. Taking 100mL of plating solution, dissolving 8 g of nano cerium oxide and 15 g of nano titanium nitride in the 100mL of plating solution, performing ultrasonic dispersion treatment for 30min, then adding the rest of plating solution, adjusting the pH value to 8.9 by using ammonia water, then fixing the volume to 1L, and continuing stirring for 50min to obtain the required electrolyte.
The workpiece is sequentially polished and polished by 400, 800, 1500 and 3000-mesh abrasive paper step by step to be bright, then is washed clean by pure water, is treated for 5 minutes by alkali liquor (50 ℃) containing a surfactant, is washed and ultrasonically cleaned for 9 minutes, is etched for 50 s by dilute hydrochloric acid, and finally is soaked and cleaned by pure water. Finally, when the workpiece is taken out, no water drops exist on the surface, and a uniform and complete water film can be formed.
Putting the workpiece into electrolyte immediately, taking a pure nickel plate as an auxiliary electrode and the workpiece as a working electrode, adopting an ultrasonic auxiliary mode, and simultaneously carrying out magnetic stirring at the speed of 450 rpm, controlling the deposition parameters to be 8.9 of the pH value of the plating solution, and controlling the temperature: 53 ℃, current duty cycle of 70%, current frequency of 200 Hz, deposition time: 45 min, average current density: 5A dm2Electrode spacing: 5 cm. And after the deposition is finished, taking out the workpiece, washing or rinsing the workpiece with water, carrying out ultrasonic treatment for 4 minutes, rinsing, airing, drying and storing. Thus obtaining the ultrasonic-assisted cerium oxide doped Ni-W-TiN nano composite coating.
Example 5
650 mL of water is heated to 55 ℃, 22 g of nickel sulfate hexahydrate, 80 g of sodium tungstate dihydrate, 85 g of trisodium citrate dihydrate, 40 g of sodium bromide and 0.04 g of sodium dodecyl sulfate are sequentially added under mechanical stirring, and the mixture is diluted to 850 mL by water to form the plating solution. Dissolving 7 g of nano cerium oxide and 12.5 g of nano titanium nitride in 70 mL of plating solution, performing ultrasonic dispersion treatment for 20 min, then adding the rest of plating solution, adjusting the pH value to 9.0 by using ammonia water, then fixing the volume to 1L, and continuing stirring for 60 min to prepare the required electrolyte.
The base material is sequentially polished and polished by 400, 800, 1500 and 3000-mesh abrasive paper step by step until the base material is bright, then the base material is washed clean by pure water, treated by alkali liquor (55 ℃) containing a surfactant for 2 minutes, washed and ultrasonically cleaned for 10 minutes, etched by dilute hydrochloric acid for 60 seconds, and finally soaked and cleaned by the pure water. Finally, when the workpiece is taken out, no water drops exist on the surface, and a uniform and complete water film can be formed.
Putting the workpiece into electrolyte immediately, taking a pure nickel plate as an auxiliary electrode and the workpiece as a working electrode, adopting an ultrasonic auxiliary mode, and simultaneously carrying out magnetic stirring at a speed of 550 rpm, controlling the deposition parameters to be 9.0 of the pH value of the plating solution, and controlling the temperature to be: 58 ℃, current duty cycle of 50%, current frequency of 120 Hz, deposition time: 50min, average current density: 2A dm2Electrode spacing: 5 cm. And after the deposition is finished, taking out the workpiece, washing or rinsing the workpiece with water, treating the workpiece with ultrasonic waves for 5 minutes, rinsing, airing, drying and storing. Thus obtaining the ultrasonic-assisted cerium oxide doped Ni-W-TiN nano composite coating.
Example 6
Heating 500 mL of water to 60 ℃, sequentially adding 25 g of nickel sulfate hexahydrate, 70 g of sodium tungstate dihydrate, 66 g of trisodium citrate dihydrate, 50 g of sodium bromide and 0.05 g of sodium dodecyl sulfate under mechanical stirring, and diluting with water to 900 mL to form the plating solution. Dissolving 5 g of nano cerium oxide and 17.5 g of nano titanium nitride in 85 mL of plating solution, performing ultrasonic dispersion treatment for 25 min, then adding the solution into the rest plating solution, adjusting the pH value to 8.6 by using ammonia water, fixing the volume to 1L, and continuously stirring for 30min to prepare the required electrolyte.
The workpiece is sequentially polished and polished by 400, 800, 1500 and 3000-mesh abrasive paper step by step to be bright, then is washed clean by pure water, is treated for 3 minutes by alkali liquor (60 ℃) containing a surfactant, is washed and ultrasonically cleaned for 4 minutes, is etched for 30 s by dilute hydrochloric acid, and finally is soaked and cleaned by pure water. Finally, when the workpiece is taken out, no water drops exist on the surface, and a uniform and complete water film can be formed.
Putting the workpiece into electrolyte immediately, taking a pure nickel plate as an auxiliary electrode and the workpiece as a working electrode, adopting an ultrasonic auxiliary mode, and simultaneously carrying out magnetic stirring at a speed of 600rpm, controlling the deposition parameters to be 8.6 of the pH value of the plating solution, and controlling the temperature to be: 50 ℃, current duty cycle of 90%, current frequency of 80 Hz, deposition time: 60 min, average current density: 3A dm2Electrode spacing: 5 cm. And after the deposition is finished, taking out the workpiece, washing or rinsing the workpiece with water, treating the workpiece with ultrasonic waves for 3 minutes, rinsing, airing, drying and storing. Thus obtaining the ultrasonic-assisted cerium oxide doped Ni-W-TiN nano composite coating.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A preparation method of an ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating is characterized by comprising the following steps: comprises the following steps
Preparation before plating: derusting, deoiling, washing and activating a workpiece to be plated;
preparing an electrolyte: the components contained in the electrolyte and the concentration of each component are 22-30 g/L of nickel sulfate hexahydrate, 70-80 g/L of sodium tungstate dihydrate, 65-85 g/L of trisodium citrate dihydrate, 15-50 g/L of sodium bromide, 2-8 g/L of nano cerium oxide and 5-20 g/L of nano titanium nitride; 0.005-0.05 g/L of sodium dodecyl sulfate;
heating the prepared electrolyte to 50-55 ℃ and stirring for 10-60 minutes;
electro-deposition: putting a workpiece to be plated into electrolyte, taking a pure nickel plate as an anode and the workpiece to be plated as a cathode, and preparing a cerium oxide doped Ni-W-TiN nano composite coating by adopting a pulse electrodeposition method.
2. The ultrasonic-assisted nano cerium oxide doped N according to claim 1The preparation method of the i-W-TiN composite coating is characterized by comprising the following steps: in the electrodeposition process, the deposition parameters are as follows: the pH value of the plating solution is 8.2-9.0, and the temperature of the plating solution is as follows: 50-60 ℃, current duty ratio of 30-90%, current frequency of 60-200 Hz, deposition time: 10-60 min, average current density: 2-5A dm2Electrode spacing: 5 cm.
3. The preparation method of the ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating layer according to claim 1 or 2, wherein: when the nano composite coating is prepared by electrodeposition, the plating solution is magnetically stirred at the speed of 300-600rpm by adopting an ultrasonic auxiliary mode.
4. The preparation method of the ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating layer according to claim 1, wherein the preparation method comprises the following steps: the raw material used for preparing the plating solution containing cerium oxide is nano cerium oxide, the grain diameter of the nano cerium oxide is 10-60nm, the raw material used for preparing the plating solution containing titanium nitride is nano titanium nitride, the grain diameter of the nano TiN is 10-60nm, and the purity of the nano cerium oxide and the purity of the nano titanium nitride are both more than 99 percent.
5. The method for preparing the ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating according to claim 1 or 4, wherein the electrolyte preparation process comprises: firstly, preparing a first plating solution containing nickel sulfate hexahydrate, sodium tungstate dihydrate, trisodium citrate dihydrate, sodium bromide and sodium dodecyl sulfate at a set concentration, and then taking part of the first plating solution to dissolve nano cerium oxide and nano titanium nitride to form a second plating solution; and ultrasonically dispersing the plating solution II, adding the plating solution II into the rest plating solution I, and uniformly mixing to obtain the electrolyte.
6. The preparation method of the ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating layer according to claim 1, wherein the preparation method comprises the following steps: the cerium oxide doped Ni-W-TiN nano composite coating is uniformly distributed with two types of particles of nano titanium nitride and nano cerium oxide.
7. The preparation method of the ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating layer according to claim 1, wherein the preparation method comprises the following steps: the preparation before plating specifically comprises: the workpiece to be plated is sequentially polished and polished to be bright by 400, 800, 1500 and 3000-mesh abrasive paper step by step, washed clean by water, deoiled by alkali liquor containing a surfactant, washed, ultrasonically cleaned for 3-10 minutes, etched by dilute hydrochloric acid for 20-60 seconds, and finally washed by water or washed clean.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113089036A (en) * | 2021-04-09 | 2021-07-09 | 大连大学 | Preparation method of variable-frequency power ultrasonic electrodeposition nano metal ceramic composite layer |
| CN113215631A (en) * | 2021-05-08 | 2021-08-06 | 遵义智通金属表面技术处理有限公司 | Inner hole deposition technology for fine micropores with large depth-diameter ratio |
| CN113943957A (en) * | 2021-11-29 | 2022-01-18 | 西南石油大学 | Ni-W-WS2Nano composite coating and preparation method thereof |
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2020
- 2020-03-13 CN CN202010175554.0A patent/CN111334827A/en active Pending
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| BAOSONG LIA: "Fabrication and optimization of Ni-W/ZrO2-CeO2 composite coating forenhanced hardness and corrosion resistance", 《RESULTS IN PHYSICS》 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089036A (en) * | 2021-04-09 | 2021-07-09 | 大连大学 | Preparation method of variable-frequency power ultrasonic electrodeposition nano metal ceramic composite layer |
| CN113089036B (en) * | 2021-04-09 | 2024-02-20 | 大连大学 | Preparation method of variable-frequency power ultrasonic electrodeposition nano metal ceramic composite layer |
| CN113215631A (en) * | 2021-05-08 | 2021-08-06 | 遵义智通金属表面技术处理有限公司 | Inner hole deposition technology for fine micropores with large depth-diameter ratio |
| CN113943957A (en) * | 2021-11-29 | 2022-01-18 | 西南石油大学 | Ni-W-WS2Nano composite coating and preparation method thereof |
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