Metal nano electroplating technology

An electroplating process and metal nanotechnology, applied in electrolytic coatings, coatings, etc., can solve problems such as difficulty in dispersion, and achieve the effects of overcoming agglomeration, good binding force, and strong high temperature oxidation resistance.

Inactive Publication Date: 2013-05-01
余胜东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The particle size of the agglomerated nanoparticles becomes larger, making it more difficult to disperse in the bath

Method used

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  • Metal nano electroplating technology
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Embodiment Construction

[0015] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements. As mentioned above, the present invention provides a metal nano-electroplating process with low porosity and good mechanical comprehensive properties of the electroplating layer, good manufacturability, simple equipment and low energy consumption.

[0016] The device for electroplating process such as figure 1 shown. The mandrel 3 is made of No. 45 steel, placed in the electroplating tank 1, and the electroplating tank 1 is filled with the electroplating solution 2 from time to time. The electroplating solution in the liquid storage tank 9 is circulated and supplied by the pump 6 to keep the electroplating solution continuously updated. The upper part of the mandrel 3 is provided with the nozzle 7 , and the particle flow is sprayed onto the upper surface of the mandrel 3 through the nozzle 7 .

[0017] The formula and pr...

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PUM

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Abstract

The invention relates to a surface treatment technology, in particular to a metal nano composite electroplating technology. The invention discloses a metal nano electroplating technology, comprising an electroplating device and an electroplating formula; the electroplating device comprises hard particles, an electroplating bath, a liquid storage tank, a pump, a spray head and a core model, wherein the core model is arranged inside the electroplating bath, the upper part of the core model is provided with the spray head, an opening is formed at the lower part of the electroplating bath, electroplating liquid and the hard particles are sucked out from the liquid storage tank and conveyed to the spray head by the pump, and the electroplating liquid and the hard particles are rushed downwards from the upper part of the core model; and the formula of the electroplating liquid is as follows: 200-300 g/l of nickel sulfate, 30-43 g/l of nickel chloride, 20-40 g/l of boric acid, 0.05-0.09 g/l of lauryl sodium sulfate, and 4 * 10<-5> to 5 * 10<-5> mol/l of silver nanoparticles. Through the utilization of the metal nano composite electroplating technology disclosed by the invention, excellent electroplated layer can be prepared in an efficient and energy-saving manner. Through the motion of the hard particles, the dispersed state of the nanoparticles in the electroplating liquid is further improved, so that the nanoparticles are distributed in the electroplating liquid more uniformly.

Description

technical field [0001] The invention relates to a surface treatment technology, in particular to a metal nanocomposite electroplating process. Background technique [0002] We know that nanocomposite electroplating layer can be obtained by adding nanoparticles into the electroplating solution and co-depositing them with the matrix metal under agitation. Based on the particularity of nanoparticles, the prepared composite coating will exhibit many unique properties. These properties include: hardness, bonding force, corrosion resistance, wear resistance, high temperature oxidation resistance, etc. At present, the research on the nanocomposite nickel plating process at home and abroad is mainly to add inorganic non-silver nanoparticles, such as Si and SiO, to the plating solution. 2 , SiC, Al 2 o 3 etc., so as to obtain some functional coatings, such as: high temperature resistant coating, wear resistant coating, corrosion resistant coating, etc. [0003] The disadvantage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D15/00C25D3/12
Inventor 余胜东马金玉
Owner 余胜东
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