Wear-resistant and corrosion-resistant material with Ni-P-Ce-B4C (Cu) composite coating and preparation technology of material

A ni-p-ce-b4c, corrosion-resistant material technology, applied in the field of wear-resistant and anti-corrosion coating and its preparation, can solve the problem that the composition ratio is difficult to grasp, the wear and corrosion resistance performance is poor, and the wear and corrosion resistance cannot be satisfied. and other problems, to achieve the effect of shortening the capture time, improving corrosion resistance and bonding strength, and improving wear resistance

Active Publication Date: 2016-09-28
CENT SOUTH UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] And in the existing preparation brush plating Ni-Cu-P coating, the brush plating bath of preparation is very complicated, in order to obtain good brush plating effect, it is difficult to grasp each component ratio in the plating bath, and operation process is also difficult to control
[0006] The existing wear-resistant and corrosion-resistant materials containing composite coatings generally have the defects of insufficient hardness and poor wear-resistant and corrosion-resistant performance, which cannot meet the increasingly higher requirements for wear-resistant and corrosion-resistant

Method used

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  • Wear-resistant and corrosion-resistant material with Ni-P-Ce-B4C (Cu) composite coating and preparation technology of material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Dissolve 240g of nickel sulfate, 15g of sodium hypophosphite, 20g of citric acid, and 20g of citric acid tris in deionized water according to the composition and concentration requirements of plating solution A-1 and the volume of plating solution A-1 required in the actual production process. Sodium, 18g of sodium sulfate, 0.1g of sodium lauryl sulfate, 25g of cerium nitrate, and 20ml of glacial acetic acid were prepared; then the obtained citric acid solution, trisodium citrate solution and glacial acetic acid were stirred for 6 minutes to obtain a complexing agent solution; Then mix the complexing agent solution and nickel sulfate solution evenly for 10 minutes to obtain solution A; then add cerium nitrate and sodium sulfate solution to solution A and stir for 5 minutes to obtain solution B. Then, under rapid stirring, the sodium hypophosphite solution was slowly added to solution B, and stirred for 20 minutes. Finally, the pH of the solution was adjusted to 3.0 with...

Embodiment 2

[0065] Dissolve 260g of nickel sulfate, 20g of sodium hypophosphite, 20g of citric acid, and 20g of citric acid tris in deionized water according to the composition and concentration requirements of plating solution A-1 and the volume of plating solution A-1 required in the actual production process. Sodium, 18g of sodium sulfate, 0.1g of sodium lauryl sulfate, 35g of cerium nitrate, and 20ml of glacial acetic acid were prepared; then the obtained citric acid solution, trisodium citrate solution and glacial acetic acid were stirred for 6 minutes to obtain a complexing agent solution; Then mix the complexing agent solution and nickel sulfate solution evenly for 10 minutes to obtain solution A; then add cerium nitrate and sodium sulfate solution to solution A and stir for 5 minutes to obtain solution B. Then, under rapid stirring, the sodium hypophosphite solution was slowly added to solution B, and stirred for 20 minutes. Finally, the pH of the solution was adjusted to 4.0 with...

Embodiment 3

[0073]Dissolve 280g nickel sulfate, 25g sodium hypophosphite, 20g citric acid, 20g trisodium citrate, 18g of sodium sulfate, 0.1g of sodium lauryl sulfate, 45g of cerium nitrate, and 20ml of glacial acetic acid; then the obtained citric acid solution, trisodium citrate solution and glacial acetic acid were stirred for 6 minutes to obtain a complexing agent solution; The complexing agent solution and nickel sulfate solution were mixed evenly for 10 minutes to obtain solution A; then cerium nitrate and sodium sulfate solutions were added to solution A and stirred for 5 minutes to obtain solution B. Then, under rapid stirring, the sodium hypophosphite solution was slowly added to solution B, and stirred for 20 minutes. Finally, the pH of the solution was adjusted to 5.0 with a pH regulator, and the volume was adjusted to 1 L. The regulator is 15% dilute ammonia water, and the plating solution A-1 is prepared at this time.

[0074] After the B4C powder was roughened with 10% NH4...

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Abstract

The invention discloses a wear-resistant and corrosion-resistant material with a Ni-P-Ce-B4C (Cu) composite coating and a preparation technology of the material. The preparation technology is simple, and a prepared product is excellent in performance and suitable for industrial production. The hardness, the wear resistance and the corrosion resistance of the obtained material are greatly improved.

Description

technical field [0001] The invention relates to a wear-resistant and corrosion-resistant coating and a preparation method thereof, in particular to a wear-resistant and corrosion-resistant material with a Ni-P-Ce-B4C (Cu) composite coating and a preparation process thereof. Background technique [0002] Since the 1980s, people have used brush plating technology to obtain composite coatings. For the improvement of coating hardness, wear resistance and corrosion resistance, at present, the Ni-P coating is mainly mixed with second-phase particles or metals, using electroplating or The electroless plating method co-deposits metal or solid solution particles to prepare a ternary composite coating. The second phase particles mainly include SiC, WC, cubic B 4 C, Al 2 o 3 , Si 3 N 4 Composite particles for the purpose of improving hardness and wear resistance, and CuF 2 , (CF) n , PTFE, MoS 2 etc. are composite particles that improve the self-lubricating properties of the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/14C25D5/06C25D15/00C25D3/12C25D3/56
CPCC25D3/12C25D3/562C25D5/06C25D5/14C25D15/00
Inventor 周宏明胡建红胡雪仪刘亚雄简帅
Owner CENT SOUTH UNIV
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