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Electroplating liquid for electroplating bright nickel-titanium alloy on accessory of motorcycle and electroplating method

A bright nickel and motorcycle technology, applied in the field of electroplating, can solve the problems of the environment, water source, atmosphere, human hazards, workpiece brightness, lack of uniformity, pinholes, pitting, etc., and achieve strong impurity resistance and easy The effect of operation and bath stability

Inactive Publication Date: 2017-02-22
重庆帆玛机车制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the chromium plating process still uses the highly toxic hexavalent chromium salt, it will bring great harm to the environment, water sources, the atmosphere, and the human body.
The research and development of new and environmentally friendly chromium-substituting coatings has great application prospects and significant social and economic benefits. The electroplating process of nickel-titanium alloys is one of the technologies for chromium-substituting electroplating. The electroplating of general nickel-titanium alloys The workpieces of the process often have insufficient brightness and uniformity, and sometimes appear pinholes and pits, which affect product quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The present invention is an electroplating solution for electroplating bright nickel-titanium alloys for motorcycle parts, and its components and specific weight ratios are:

[0040] 1), nickel sulfate 220g / L,

[0041] 2), nickel chloride 80g / L,

[0042] 3), titanyl sulfate 8g / L,

[0043] 4), boric acid 42g / L,

[0044] 5), Brightener 10ml / L,

[0045] 6), softener 10ml / L,

[0046] 7), wetting agent 0.8ml / L

[0047] The rest is distilled or deionized water.

Embodiment 2

[0049] The present invention is an electroplating solution for electroplating bright nickel-titanium alloys for motorcycle parts, and its components and specific weight ratios are:

[0050] 1), nickel sulfate 200g / L,

[0051] 2), nickel chloride 50g / L,

[0052] 3), titanium oxysulfate 3.5g / L,

[0053] 4), boric acid 40g / L,

[0054] 5), Brightener 8ml / L,

[0055] 6), softener 5ml / L,

[0056] 7), wetting agent 0.5ml / L

[0057] The rest is distilled or deionized water.

Embodiment 3

[0059] The present invention is an electroplating solution for electroplating bright nickel-titanium alloys for motorcycle parts, and its components and specific weight ratios are:

[0060] 1), nickel sulfate 250g / L,

[0061] 2), nickel chloride 100g / L,

[0062] 3), titanium oxysulfate 10.5g / L,

[0063] 4), boric acid 45g / L,

[0064] 5), Brightener 10ml / L,

[0065] 6), softener 10ml / L,

[0066] 7), wetting agent 1ml / L

[0067] The rest is distilled or deionized water.

[0068] Further, the brightener is at least one of 2,5-dimethylhexynediol, benzenesulfonamide and sulfosalicylic acid.

[0069] Further, the mass ratio of 2,5-dimethylhexynediol, benzenesulfonamide and sulfosalicylic acid in the brightener is 1:17-100:0.7-20.

[0070] Further, the wetting agent is at least one of sodium 2-ethylhexyl sulfate and sodium dihexyl sulfonate.

[0071] Further, the mass ratio of sodium 2-ethylhexylsulfate to sodium dihexyl sulfonate in the wetting agent is 0.5-12.5:1.

[0072]...

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PUM

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Abstract

The invention discloses electroplating liquid for electroplating bright nickel-titanium alloy on an accessory of a motorcycle. The electroplating liquid comprises the following components in specific weight ratio: 220 g / L of nickel sulfate, 80 g / L of nickel chloride, 8 g / L of titanyl sulfate, 42 g / L of boracic acid, 10 ml / L of a brightener, 10 ml / L of a softener, 0.8 ml / L of a wetting agent and the rest of distilled water or deionized water. The electroplating liquid for electroplating the bright nickel-titanium alloy on the accessory of the motorcycle and the electroplating method can be cyanide-free, chromium-free and pollution-free; and the performance of the electroplating liquid and the performance of an electroplated layer can achieve the effects of a plating layer of 'nickel plating+ chromium plating' and a plating layer of 'bright copper plating+ bright nickel plating+ chromium plating (with hexavalent chromium salt)'.

Description

technical field [0001] The invention belongs to the field of electroplating; the plating solution used therefor, and relates to an electroplating solution and an electroplating method for electroplating bright nickel-titanium alloys for motorcycle accessories. Background technique [0002] In the usual electroplating production of motorcycle parts, chrome plating is often used as the final process. This is because the chrome plating has a bright and white appearance, and has the characteristics of high hardness, strong wear resistance, corrosion resistance, and high temperature resistance, and has been widely used. application. However, since the chromium plating process still uses the highly toxic hexavalent chromium salt, it has a great harmful effect on the environment, water sources, the atmosphere, and the human body. The research and development of new and environmentally friendly chromium-substituting coatings has great application prospects and significant social an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/56C25D5/00
CPCC25D3/562C25D5/00
Inventor 刘洋
Owner 重庆帆玛机车制造有限公司
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