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RE-Ni-Mo/GO nano composite deposition liquid as well as preparation method and application thereof

A nano-composite and deposition liquid technology, applied in the field of electrochemistry, can solve the problems of corrosion resistance and friction resistance, such as low hardness, and achieve the effects of increasing the brightness of the coating, improving the crystal orientation of the coating, and improving the hardness and corrosion resistance.

Active Publication Date: 2015-09-16
CHINA GATEWAY PHARMA DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the above-mentioned technical problems in the prior art, the present invention provides a kind of RE-Ni-Mo / GO nanocomposite deposition liquid and preparation method and application, described this RE-Ni-Mo / GO nanocomposite deposition liquid and The preparation method and application solve the technical problems of low carbon steel surface corrosion resistance, friction resistance and low hardness in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A RE-Ni-Mo / GO multifunctional nano-composite deposition solution based on sonoelectrochemistry, calculated per liter of solution, its composition and content are as follows:

[0030] Graphene oxide 0.25g

[0031] Nickel sulfate 45g

[0032] Sodium molybdate 4g

[0033] Trisodium Citrate 55g

[0034] Sodium Lauryl Sulfate 0.2g

[0035] RE 2g

[0036] Distilled water balance

[0037] Nickel sulfate, graphene oxide, sodium molybdate, trisodium citrate, sodium lauryl sulfate, and RE were sequentially added to distilled water to dissolve, and then the pH value was adjusted to 8 with ammonia water with a concentration of 10% by mass percentage to obtain Composite deposition solution containing RE and GO.

Embodiment 2

[0039] The multifunctional nano-composite deposition liquid obtained in Example 1 is applied to the surface of low-carbon steel based on sonoelectrochemical technology to form a RE-Ni-Mo / GO multifunctional nano-composite deposition layer, which specifically includes the following steps:

[0040] (1) Surface pretreatment of low carbon steel workpieces

[0041] The surface of the low-carbon steel was polished and decontaminated by No. 1, No. 4, and No. 6 metallographic sandpaper in turn, then polished with silica suspension for 2 minutes, and then ultrasonically cleaned in ethanol solution for 1 minute, followed by (30g / L Anhydrous sodium carbonate, 30g / L sodium triphosphate) solution for degreasing; then cleaning with hydrochloric acid with a concentration of 10% by mass to remove the surface oxide film; finally rinse with distilled water.

[0042] (2) Put the low-carbon steel workpiece pretreated in step (1) into the prepared composite deposition solution, use a DC pow...

Embodiment 3

[0044] A RE-Ni-Mo / GO multifunctional nano-composite deposition solution based on sonoelectrochemistry, characterized in that it is calculated per liter of deposition solution, and its composition and content are as follows:

[0045]Graphene oxide 0.5g

[0046] Nickel sulfate 50g

[0047] Sodium molybdate 6g

[0048] Trisodium Citrate 60g

[0049] Sodium Lauryl Sulfate 0.2g

[0050] RE 2g

[0051] Distilled water balance

[0052] Add nickel sulfate, graphene oxide, sodium molybdate, trisodium citrate, sodium lauryl sulfate, ammonia water, and RE into distilled water to dissolve in sequence, and then adjust the pH value to 9 with ammonia water with a concentration of 10% by mass percentage, that is A composite deposition solution containing RE and GO was obtained.

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Abstract

The invention discloses an RE-Ni-Mo / GO nano composite deposition liquid. Each liter of the deposition liquid comprises 0.25-5g of graphene oxide, 45-55g of nickel sulfate, 4-10g of sodium molybdate, 55-65g of trisodium citrate, 0.2g of lauryl sodium sulfate, 0.1-5g of a rare earth element RE and the balance of distilled water. The invention further discloses a method for forming an RE-Ni-Mo / GO multifunctional nano composite deposition layer on the surface of low-carbon steel. By adopting the composite deposition liquid and with the combination of ultrasonic wave and electric deposition techniques, the RE-Ni-Mo / GO multifunctional nano composite deposition layer can be prepared on the surface of low-carbon steel. By adopting the composite deposition layer prepared by using the method disclosed by the invention, the corrosion resistance, the surface hardness, the wearing resistance, the breaking strength and the like of the low-carbon steel are effectively improved, and moreover, the difficulty that powder micro particles can be agglomerated in conventional composite electric deposition.

Description

technical field [0001] The invention belongs to the field of electrochemistry, and in particular relates to a method for preparing a RE-Ni-Mo / GO multifunctional nano-composite deposition layer on the surface of low-carbon steel based on sonoelectrochemical technology. Background technique [0002] Electrochemistry as an efficient oxidation-reduction method combined with ultrasound to form sonoelectrochemistry can significantly improve the efficiency of the chemical reaction process and strengthen the electrodeposition process, thereby achieving the purpose of accelerating the electrodeposition speed, improving the quality of the deposited layer and improving the performance of the deposited layer . The cavitation effect and mechanical shear effect produced by ultrasonic waves propagating in liquid media can effectively disperse nanoparticles and refine grains in the nanocomposite deposition process, thereby ensuring that the nanocomposite coating has good structure propertie...

Claims

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Application Information

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IPC IPC(8): C25D3/12
Inventor 蒋继波韩生冯晨萁付宁叶冯英
Owner CHINA GATEWAY PHARMA DEV CO LTD
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