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Nickel-tungsten-silicon carbide-aluminum oxide composite electroplate liquid as well as preparation method and application thereof

A technology of composite electroplating and silicon carbide, which is applied in the direction of electrolytic coatings and coatings, can solve the problems of anti-corrosion and wear resistance that cannot meet industrial needs, many impurities in a single substance, and the composite coating is easy to agglomerate, so as to achieve small environmental hazards and particles The effect of uniform distribution and simple method

Inactive Publication Date: 2015-01-28
ZIBO SHENGFENG IND & TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among the existing anti-corrosion and wear-resistant treatment technologies, the technology of using silicon carbide or aluminum oxide alone as a wear-resistant material to make a composite coating has been disclosed. still cannot meet the needs of industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of nickel-tungsten-silicon carbide-alumina composite electroplating solution (measured according to one liter), comprising the following steps:

[0025] (1) Add 40g of citric acid and 20g of glycine into deionized water, stir until dissolved;

[0026] (2) 140g of nickel sulfate is added to the solution obtained in step (1), stirred until dissolved;

[0027] (3) Heat the solution obtained in step (2) to 65°C, first add 30g of sodium tungstate and stir until dissolved, then add 2mL of the mixture of saccharin and 3,5-dimethyl-1-hexyn-3-ol (mixing The mass ratio is 1:3), and the pH value of the solution is adjusted to 2 with ammonia water;

[0028] (4) Add 10 g of silicon carbide and 5 g of alumina to the solution obtained in step (3) to obtain a nickel-tungsten-silicon carbide-alumina composite electroplating solution.

[0029] Graphite is used as the anode, and the pretreated petroleum machinery workpiece shield is used as the cathode. The temperat...

Embodiment 2

[0032] A preparation method (measured according to one liter) of nickel-tungsten-silicon carbide-alumina composite electroplating solution, comprising the following steps:

[0033] (1) Add 67g of citric acid and 33g of glycine into deionized water, and stir until dissolved;

[0034] (2) 200g of nickel sulfate is added to the solution obtained in step (1), stirred until dissolved;

[0035] (3) Heat the solution obtained in step (2) to 45°C, first add 10g of sodium tungstate and stir until dissolved, then add 1mL of the mixture of saccharin and 3,5-dimethyl-1-hexyn-3-ol (mixing The mass ratio is 1:3), and the pH value of the solution is adjusted to 3 with ammonia water;

[0036] (4) Add 40 g of silicon carbide and 20 g of alumina to the solution obtained in step (3) to obtain a nickel-tungsten-silicon carbide-alumina composite electroplating solution.

[0037] Graphite is used as the anode, and the pretreated petroleum machinery workpiece protective cover is used as the cathod...

Embodiment 3

[0040] A preparation method (measured according to one liter) of nickel-tungsten-silicon carbide-alumina composite electroplating solution, comprising the following steps:

[0041] (1) Add 54g of citric acid and 26g of glycine into deionized water, stir until dissolved;

[0042] (2) 160g of nickel sulfate is added to the solution obtained in step (1), stirred until dissolved;

[0043] (3) Heat the solution obtained in step (2) to 60°C, first add 20g of sodium tungstate and stir until dissolved, then add 1.5mL of the mixture of saccharin and 3,5-dimethyl-1-hexyn-3-ol ( The mixing mass ratio is 1:3), and the pH value of the solution is adjusted to 4 with ammonia water;

[0044] (4) Add 20 g of silicon carbide and 15 g of alumina to the solution obtained in step (3) to obtain a nickel-tungsten-silicon carbide-alumina composite electroplating solution.

[0045]Graphite is used as the anode, and the pretreated petroleum machinery workpiece protective cover is used as the cathode....

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Abstract

The invention relates to nickel-tungsten-silicon carbide-aluminum oxide composite electroplate liquid as well as a preparation method and application thereof, and belongs to the technical field of material surface treatment. Each liter of the composite electroplate liquid comprises the following raw materials: 10-30 g of sodium tungstate, 140-200 g of nickel sulfate, 10-40 g of silicon carbide, 5-20 g of aluminum oxide, 60-100 g of a complexing agent, 1-2 mL of a surfactant and the balance of de-ionized water. According to the composite electroplate liquid provided by the invention, the raw materials are easily available, the environmental harm is little, and the composite electroplate liquid can be stored for a long term after being prepared; the preparation method provided by the invention is simple, feasible and favorable for industrialization; the invention further provides a method for electroplating petroleum machinery by the composite electroplate liquid, an obtained composite coating is uniform in particle distribution, does not have microcracks on the surface and is remarkably improved in both corrosion resistance and wear resistance.

Description

technical field [0001] The invention relates to a nickel-tungsten-silicon carbide-alumina composite electroplating solution and its preparation method and application, belonging to the technical field of material surface treatment. Background technique [0002] At present, partial wear and corrosion are serious in the field of petroleum machinery, and there is no satisfactory surface treatment technology that can be used for surface treatment of petroleum machinery, which can have the advantages of anti-corrosion, wear resistance and low cost at the same time. With the continuous consumption of petroleum resources, the environment for oil exploitation is getting worse and worse, and the requirements for corrosion resistance and friction resistance of petroleum equipment are getting higher and higher. Therefore, the study of anti-corrosion and wear-resistant technology of petroleum machinery has always been a topic of people's concentration. [0003] A possible solution is t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/56C25D15/00
CPCC25D3/56C25D15/00
Inventor 巩周贤
Owner ZIBO SHENGFENG IND & TRADE
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