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Nickel electroplating solution and electroplating method thereof

A technology of nickel electroplating solution and conductive salt is applied in the field of nickel electroplating solution and its electroplating to achieve the effect of improving covering ability, strong anti-corrosion ability and good covering ability

Active Publication Date: 2012-12-19
GUANGZHOU HKS SURFACE TREATMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems existing in the existing electroless nickel plating and electroless nickel plating, the invention provides a nickel electroplating solution and an electroplating method thereof

Method used

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  • Nickel electroplating solution and electroplating method thereof
  • Nickel electroplating solution and electroplating method thereof
  • Nickel electroplating solution and electroplating method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Plating solution composition:

[0033]

[0034] The balance is water

[0035] Electroplating method: use a thin-walled iron pipe with an inner diameter of Ф10X100mm, and conduct an electroplating test in a 1000ml beaker. The conditions are: temperature 50°C, DC current 1 ampere, electroplating for 8 minutes, nickel plate for the anode, and nickel-plated iron pipe A1.

[0036] Evaluation of electroplating effect: Observe the length of the nickel layer plated on the inner wall of the iron pipe to be 100mm, and then evaluate the covering ability of the plating solution. The nickel-plated iron pipe A1 was subjected to a neutral salt spray test for 8 hours, and no corrosion of the nickel layer was found.

Embodiment 2

[0038] Plating solution composition:

[0039]

[0040] The balance is water

[0041] Electroplating method: use a thin-walled iron pipe with an inner diameter of Ф10X100mm, and conduct an electroplating test in a 1000ml beaker. The conditions are: temperature 55°C, DC current 0.5 ampere, electroplating for 7 minutes, and anode using a nickel plate to obtain a nickel-plated iron pipe A2.

[0042] Evaluation of electroplating effect: Observe the length of the nickel layer plated on the inner wall of the iron pipe to be 100mm, and then evaluate the covering ability of the plating solution. The nickel-plated iron pipe A2 was subjected to a neutral salt spray test for 7 hours, and no corrosion of the nickel layer was found.

Embodiment 3

[0044] Plating solution composition:

[0045]

[0046] The balance is water

[0047] Electroplating method: use a thin-walled iron pipe with an inner diameter of Ф10X100mm, and conduct an electroplating test in a 1000ml beaker. The conditions are: temperature 55°C, DC current 0.5 ampere, electroplating for 7 minutes, and anode using a nickel plate to obtain a nickel-plated iron pipe A3.

[0048] Evaluation of electroplating effect: Observe the length of the nickel layer plated on the inner wall of the iron pipe to be 100mm, and then evaluate the covering ability of the plating solution. The nickel-plated iron pipe A3 was subjected to a neutral salt spray test for 7 hours, and no corrosion of the nickel layer was found.

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Abstract

The invention provides nickel electroplating solution and an electroplating method thereof. The nickel electroplating solution comprises main salt, stabilizer, complexing agent, conducting salt and reducing agent, wherein the content of the reducing agent is 10-40g / liter. The electroplating method adopting the nickel electroplating solution comprises the following steps of: firstly, putting the metal nickel into nickel electroplating solution to serve as an anode; putting a workpiece into the nickel electroplating solution to serve as a cathode; and finally, introducing a direct-current power supply, wherein the cathode current density is 0.5-5 amperes / square centimtre, the electroplating solution temperature is 40-55DEG C, and the electroplating time is 1-10 minutes. According to the invention, the technical problems existing in the traditional electronickelling and chemical nickel-plating are solved. Reducing agent is added into the electroplating solution to obviously improve the plating solution coverage capability and the corrosion-resistant capability of a nickel layer, and the electroplating solution has the advantages of strong corrosion-resistant capability and good coverage capability.

Description

technical field [0001] The invention relates to the field of metal material electroplating, in particular to a nickel electroplating solution and an electroplating method thereof. Background technique [0002] Nickel has excellent decorative and functional properties, and is currently one of the most commonly used plating types. The process is divided into two different types of electroplating nickel and chemical nickel. The advantages of electroplating nickel are fine crystallization of the coating, smooth and bright, less internal stress, and strong bonding with the substrate. The disadvantages of electroplating nickel are: ① It is greatly affected by the cleanliness of the substrate surface and the purity of the plating solution, resulting in many defects in the substrate after electroplating, such as peeling, blistering, pitting, black spots, etc.; The impact of different positions in the plating tank and the tool will result in poor throwing ability. In addition, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/12
Inventor 陈蔡喜罗迎花蔡志华刘红霞牛艳丽黄超玉
Owner GUANGZHOU HKS SURFACE TREATMENT CO LTD
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