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Nd-Ni-Mo-P/Go chemical composite deposition layer and preparation method thereof

A deposition layer, chemical technology, applied in liquid chemical plating, coating, metal material coating process, etc., can solve the problem of corrosion resistance, friction resistance, low hardness, etc., to increase the brightness of the coating, improve the crystal orientation of the coating , the effect of excellent corrosion resistance

Active Publication Date: 2017-05-10
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention is prepared by an ultrasonic-assisted method, and the obtained Nd-Ni-Mo-P / Go chemical composite deposition layer solves 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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  • Nd-Ni-Mo-P/Go chemical composite deposition layer and preparation method thereof
  • Nd-Ni-Mo-P/Go chemical composite deposition layer and preparation method thereof
  • Nd-Ni-Mo-P/Go chemical composite deposition layer and preparation method thereof

Examples

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Effect test

Embodiment 1

[0021] A kind of Nd-Ni-Mo-P / Go chemical composite deposition solution, calculated by every liter of solution, its composition and content are as follows:

[0022]

[0023] Add nickel sulfate hexahydrate, sodium molybdate, sodium hypophosphite, trisodium citrate, neodymium, graphene oxide, and sodium dodecylbenzenesulfonate into deionized water to dissolve, then add ammonia water to adjust the pH value to 8, That is, the Nd-Ni-Mo-P / Go chemical composite deposition solution is obtained.

Embodiment 2

[0025] The chemical composite deposition liquid of embodiment 1 gained is applied to low carbon steel surface to form Nd-Ni-Mo-P / Go chemical composite deposition layer, specifically comprises the steps:

[0026] (1) Pretreatment of the surface of the low-carbon steel workpiece, the surface of the low-carbon steel workpiece is polished and decontaminated by No. 1, 4, and No. 7 sandpaper in turn, and then degreased with acetone for 1 minute under the assistance of ultrasonic cleaning, and rinsed with deionized water 10 seconds; then pickling with 10% hydrochloric acid by mass percentage concentration for 15 seconds, and rinsing with deionized water for 10 seconds.

[0027] (2) Put the low-carbon steel workpiece pretreated in step 1 into the prepared Nd-Ni-Mo-P / Go chemical composite deposition solution, control the solution temperature at 85°C, the ultrasonic intensity at 150W, and the ultrasonic frequency Take it out after 1 hour at 20KHZ, wash it with deionized water, and blow ...

Embodiment 3

[0029] A kind of Nd-Ni-Mo-P / Go chemical composite deposition solution, calculated by every liter of solution, its composition and content are as follows:

[0030]

[0031] Add nickel sulfate hexahydrate, sodium molybdate, sodium hypophosphite, trisodium citrate, neodymium, graphene oxide, and sodium dodecylbenzenesulfonate into deionized water to dissolve, then add ammonia water to adjust the pH value to 8, That is, the Nd-Ni-Mo-P / Go chemical composite deposition solution is obtained.

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Abstract

The invention discloses an Nd-Ni-Mo-P / Go chemical composite deposition layer and a preparation method thereof. The preparation method comprises the steps of putting low-carbon steel into Nd-Ni-Mo-P / Go chemical composite deposition liquid and then carrying out ultrasonic-assisted treatment on the low-carbon steel so as to obtain the Nd-Ni-Mo-P / Go chemical composite deposition layer on the surface of the low-carbon steel, wherein every liter of composite deposition liquid is prepared from 20-50g of nickel sulfate hexahydrate, 2-5g of sodium molybdate, 5-20g of sodium hypophosphite, 20-50g of trisodium citrate, 0.1-5g of Nd, 1-10g of graphene oxide and 0.5g of sodium dodecyl benzene sulfonate. The preparation method has the beneficial effects that on the basis of a chemical plating technology and an ultrasonic technology, the nanocomposite deposition layer is prepared on the surface of the low-carbon steel. The composite deposition layer prepared by the method can effectively improve the performances such as corrosion resistance, surface hardness and wear resistance of the low-carbon steel, and can effectively solve the problem that particles crack.

Description

technical field [0001] The invention belongs to the technical field of inorganic materials, and in particular relates to a Nd-Ni-Mo-P / Go chemical composite deposition layer and a preparation method thereof. Background technique [0002] Electroless plating, also known as electroless plating or self-catalytic plating, is a plating method that reduces metal ions in the plating solution to metal and deposits them on the surface of parts with the help of a suitable reducing agent without an external current. Compared with other surface treatment technologies, electroless plating does not require an external power supply, is easy to operate, simple in process, uniform in coating, low in porosity and good in appearance, and can be deposited on various non-metallic substrates such as plastics and ceramics, and has excellent Coating, high adhesion, excellent corrosion resistance and wear resistance, and excellent functional properties have made it develop rapidly and be widely used ...

Claims

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Application Information

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IPC IPC(8): C23C18/48
CPCC23C18/1666C23C18/48
Inventor 蒋继波钱炜陈浩天朱丽莹张小杰韩生
Owner SHANGHAI INST OF TECH
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