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Electroplating solution and electroplating method for electroplating bright nickel-titanium alloy on motorcycle accessories

A bright nickel and motorcycle technology, applied in the field of electroplating, can solve problems such as 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: 2014-12-10
CHONGQING HENGKE MACHINERY MFG
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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 accessories, and its components and specific weight ratios are:

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

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

[0042] 3), titanium oxysulfate 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 water or deionized.

Embodiment 2

[0049] The present invention is an electroplating solution for electroplating bright nickel-titanium alloys for motorcycle accessories, 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 water or deionized.

Embodiment 3

[0059] The present invention is an electroplating solution for electroplating bright nickel-titanium alloys for motorcycle accessories, 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 water or deionized.

[0068] Further, the brightening agent 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 succinate.

[0071] Further, the mass ratio of sodium 2-ethylhexyl sulfate to sodium dihexyl succinate sulfonate in the wetting agent ...

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PUM

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Abstract

The invention discloses an electroplating solution and an electroplating method for electroplating bright nickel-titanium alloy on motorcycle accessories. The electroplating solution comprises the following components in weight ratios: 1) 220g / L nickel sulfate, 2) 80g / L nickel chloride, 3) 8g / L titanium oxysulfate, 4) 42g / L boric acid, 5) 10ml / L brightener, 6) 10ml / L softener, 7) 0.8ml / L wetting agents and the balance of distilled water or deionized water. By adopting the electroplating solution and the electroplating method for electroplating the bright nickel-titanium alloy on the motorcycle accessories, no cyanide, no chromium and no pollution can be achieved and the performance of the electroplating solution and the performance of a coating can both reach the coating effect of 'electroplating nickel + electroplating chrome and 'electroplating bright copper + electroplating bright nickel + electroplating chrome (with hexavalent chromium salts)'.

Description

technical field [0001] The invention belongs to electroplating; the used plating solution relates to an electroplating solution and an electroplating method for electroplating bright nickel-titanium alloys for motorcycle parts. 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 layer 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 chrome-plating process still uses hexavalent chromium salts with high toxicity, it brings great harm to the environment, water source, atmosphere and 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 workpieces of the pr...

Claims

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Application Information

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IPC IPC(8): C25D3/16C25D5/00
Inventor 李光文
Owner CHONGQING HENGKE MACHINERY MFG
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