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Electroplating solution and method for electroplating bright nickel-titanium alloy

A technology of titanium alloy and electroplating solution, which is applied in the electroplating solution and electroplating field of electroplating bright nickel-titanium alloy, can solve the problems of application limitation, pollution, high price, etc., and achieve the effect of increased toughness, good performance and easy operation

Active Publication Date: 2013-11-20
湖北广志科技服务有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In the prior art, the electroplating method of electroplating with aqueous solution is used for the technical application of nickel plating, but because of the high price and pollution, the application is limited

Method used

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Examples

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Embodiment Construction

[0047] The present invention will be described below by way of examples.

[0048] 1) the solution composition of three embodiments is as follows:

[0049] Example one Example two Example three NiSO 4 ·6H 2 o 50g / L 55g / L 60g / L NiCl 2 ·6H 2 o 15g / L 10g / L 0g / L TiOSO 4 3.5g / L 7.0g / L 10.5g / L Na 3 C6H5O7.2H2O 50g / L 55g / L 60g / L Succinimide 8g / L 9g / L 10g / L h 3 BO 3 30g / L 35g / L 40g / L brightener 4ml / L 3ml / L 2ml / L Adjuvant 8ml / L 8.5ml / L 10ml / L

[0050] 2) the operating conditions of the three embodiments are as follows:

[0051] pH 3.0~5.0

[0052] T(°C) 40~60

[0053] D. K (A / dm 2 ) 0.5~5.0

[0054] Anode nickel plate, ruthenium-titanium anode, rust-free steel plate (instance three does not need)

[0055] Time 10 minutes for Example 1, 20 minutes for Example 2, 30 minutes for Example 3

[0056] 3) the electroplating process of three examples is as ...

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PUM

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Abstract

The invention provides an electroplating solution and method for electroplating a bright nickel-titanium alloy. The electroplating solution is composed of the following components: 1) 50-60 g / L nickel sulfate hexahydrate, 2) 0-15 g / L nickelous chloride hexahydrate, 3) 3.5-10.5 g / L titanyl sulfate, 4) 30-40 g / L boric acid, 5) 50-60 g / L trisodium citrate, 6) 8-10 g / L imine succinate, 7) 2-4 ml / L brightener and 8) 8-10 ml / L assistant. The electroplating parameters are as follows: the pH value is 3-5, the temperature is 40-60 DEG C, the cathode current density is 1.0-5.0 A / dm<2>, the anode material is a nickel plate or stainless steel board or ruthenium titanium alloy anode, and the electroplating time is 10-60 minutes. The electroplating solution is simple in components, non-toxic and pollution-free, and free of Cr<6+>; and when being used for electroplating the bright nickel-titanium alloy, the electroplating solution can substitute the electroplating technique, save the nickel, and substitute the electroplating of toxic and contaminative hexavalent chrome. The invention proves that the wear resistance, corrosion resistance and toughness of the coating are greatly enhanced. The invention has very important actions in common industry and in the fields of military affairs, national defense, aerospace and submarine ships.

Description

technical field [0001] The invention relates to a metal electroplating method and an electroplating solution, in particular to an electroplating solution and an electroplating method for electroplating a bright nickel-titanium alloy. Background technique [0002] In the usual decorative electroplating production, chrome plating is often used as the final process, 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 is widely used. . 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. [0003] The research and development of new, environmentally friendly substitute chromium coatings has great application prospects and significant social and economic benefits. The electroplating process of nick...

Claims

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Application Information

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IPC IPC(8): C25D3/16
Inventor 吴慧敏王石泉刘建文
Owner 湖北广志科技服务有限公司
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