Zn-Ni-Al2O3 electroplating solution as well as a preparation method and application thereof

A technology of electroplating solution and solution, which is applied in the direction of electrolytic coating, coating, etc., can solve the problems of inability to take into account performance and performance degradation at the same time, and achieve the effects of stable electroplating process, improved brightness, and improved feasibility

Inactive Publication Date: 2018-11-23
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing additives can improve some aspects of the performance of the plating solution or coating, but at the same time cause the decline of other properties, and cannot take into account all properties at the same time

Method used

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  • Zn-Ni-Al2O3 electroplating solution as well as a preparation method and application thereof
  • Zn-Ni-Al2O3 electroplating solution as well as a preparation method and application thereof
  • Zn-Ni-Al2O3 electroplating solution as well as a preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026]

[0027] The electroplating process conditions: the copper sheet is the cathode, the Pt sheet is the anode, the distance between the cathode and the anode is 15cm, the temperature of the plating solution is 50°C, the pH value is 8, and the current density is 4A / dm 2 , the stirring speed is 1100rpm, and the electroplating time is 40min.

Embodiment 2

[0029]

[0030]

[0031] The electroplating process conditions: the copper sheet is the cathode, the Pt sheet is the anode, the distance between the cathode and the anode is 5cm, the temperature of the plating solution is 30°C, the pH value is 7, and the current density is 3A / dm 2 , the stirring speed is 700rpm, and the electroplating time is 30min.

Embodiment 3

[0033]

[0034] The electroplating process conditions: the copper sheet is the cathode, the Pt sheet is the anode, the distance between the cathode and the anode is 10cm, the temperature of the plating solution is 45°C, the pH value is 9, and the current density is 5A / dm 2 , the stirring speed is 800rpm, and the electroplating time is 45min.

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Abstract

The invention discloses a Zn-Ni-Al2O3 electroplating solution as well as a preparation method and application thereof. The electroplating solution is prepared from a main coordination agent, an auxiliary coordination agent, zinc sulfate, nickel sulfate, potassium carbonate, an additive, an Al2O3 nano-particle suspension and water, wherein the content of the main coordination agent is 20-400 g / L, the content of the auxiliary coordination agent is 5-300 g / L, the content of the zinc sulfate is 10-300 g / L, the content of the nickel sulfate is 5-200 g / L, the content of the potassium carbonate is 10-500 g / L, the content of the additive is 0.1-20 g / L, the content of the Al2O3 nano-particle suspension is 1-100 ml / L, and the additive is prepared from ultrapure water. According to the Zn-Ni-Al2O3 electroplating solution as well as the preparation method and application thereof, the performance is optimized by screening and using the additive; and an obtained coating is bright in appearance, uniform, smooth, compact and free of pores and cracks, and the corrosion resistance and the wear resistance are remarkably improved.

Description

technical field [0001] The invention belongs to electroplating Zn-Ni-Al 2 o 3 Composite coating technical field, relates to a kind of Zn-Ni-Al 2 o 3 Electroplating solution, preparation method and application. Background technique [0002] With the development of science and technology and modern industry, the quality requirements for protective coatings are getting higher and higher. Zinc-based alloy coating, as an anodic coating, can play a very good role in protecting the steel substrate and is widely used. Currently, due to Zn-Ni-Al 2 o 3 The composite coating has the advantages of high stability, good corrosion resistance, high hardness, and no pollution, so it is used as a protective material and has great applications in automobiles, aerospace, and electronic machinery products. [0003] Cyanide-free electrodeposition of Zn-Ni-Al at present 2 o 3 Composite coating technology has made great progress, but with the traditional cyanide Zn-Ni-Al 2 o 3 Compared w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D15/00C25D3/56
CPCC25D3/56C25D15/00
Inventor 冯忠宝王琳安茂忠邢鹏飞
Owner NORTHEASTERN UNIV
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