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Zinc-nickel alloy electroplating solution and application thereof in surface treatment of steel rail fastener

A metal surface treatment, zinc-nickel alloy technology, applied in jewelry and other directions, can solve problems such as corrosion of rail fasteners and accelerated corrosion rate, and achieve the effects of reducing corrosion, improving adhesion, and increasing overpotential

Active Publication Date: 2021-05-25
BEIJING RAILWELD NEW MATERIAL TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for rails used in coastal cities, humid gas will form a thin water film on the surface of the rails, and the rail fasteners are susceptible to corrosion by the marine atmosphere, and the corrosion rate is significantly accelerated

Method used

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  • Zinc-nickel alloy electroplating solution and application thereof in surface treatment of steel rail fastener
  • Zinc-nickel alloy electroplating solution and application thereof in surface treatment of steel rail fastener
  • Zinc-nickel alloy electroplating solution and application thereof in surface treatment of steel rail fastener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Each liter of zinc-nickel alloy electroplating solution contains the following components:

[0052]

[0053]

[0054] Its concrete preparation steps are as follows:

[0055] (1) Dissolve acetic acid and potassium acetate in 500 mL of deionized water, then add nickel chloride, zinc chloride and potassium chloride in sequence, and stir until completely dissolved to obtain solution A;

[0056] (2) Dissolve octadecyl dimethyl betaine and sodium ethylhexyl sulfate in 100 mL of deionized water at a temperature of 50° C., and stir until completely dissolved to obtain solution B;

[0057] (3) Dissolving solution B in solution A, fully stirring until completely dissolved, and obtaining solution C;

[0058] (4) Dissolve salicylic acid and propoxyethoxylauryl alcohol in ethanol respectively, add deionized water to 100mL, and prepare solution D;

[0059] (5) Sodium saccharin, trichloroethylene glycol and sodium propyne sulfonate were dissolved in 200mL deionized water respe...

Embodiment 2

[0073] Each liter of zinc-nickel alloy electroplating solution contains the following components:

[0074]

[0075] Its concrete preparation steps are as follows:

[0076] (1) Dissolve acetic acid and potassium acetate in 500 mL of deionized water, then add nickel chloride, zinc chloride and potassium chloride in sequence, and stir until completely dissolved to obtain solution A;

[0077] (2) Dissolve octadecyl dimethyl betaine and sodium ethylhexyl sulfate in 100 mL of deionized water at a temperature of 50° C., and stir until completely dissolved to obtain solution B;

[0078] (3) Dissolving solution B in solution A, fully stirring until completely dissolved, and obtaining solution C;

[0079] (4) Dissolve salicylic acid and propoxyethoxylauryl alcohol in ethanol respectively, add deionized water to 100mL, and prepare solution D;

[0080] (5) Sodium saccharin, trichloroethylene glycol and sodium propyne sulfonate were dissolved in 200mL deionized water respectively, and...

Embodiment 3

[0094] Each liter of zinc-nickel alloy electroplating solution contains the following components:

[0095]

[0096] Its concrete preparation steps are as follows:

[0097] (1) Dissolve acetic acid and potassium acetate in 500 mL of deionized water, then add nickel chloride, zinc chloride and potassium chloride in sequence, and stir until completely dissolved to obtain solution A;

[0098] (2) Dissolve octadecyl dimethyl betaine and sodium ethylhexyl sulfate in 100 mL of deionized water at a temperature of 50° C., and stir until completely dissolved to obtain solution B;

[0099] (3) Dissolving solution B in solution A, fully stirring until completely dissolved, and obtaining solution C;

[0100] (4) Dissolve salicylic acid and propoxyethoxylauryl alcohol in ethanol respectively, add deionized water to 100mL, and prepare solution D;

[0101] (5) Sodium saccharin, trichloroethylene glycol and sodium propyne sulfonate were dissolved in 200mL deionized water respectively, and...

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Abstract

The invention provides a zinc-nickel alloy electroplating solution and application thereof in surface treatment of a steel rail fastener. Each liter of the zinc-nickel alloy electroplating solution comprises the following components of 80 grams-120 grams of a nickel ion source, 80 gram-100 grams of a zinc ion source, 180 grams-220 grams of KCl, 30 milliliters-50 milliliters of acetic acid, 35 grams-50 grams of potassium acetate, 0.8 gram-2 grams of sodium ethylhexyl sulfate, 0.05 milliliter-2 milliliters of octadecyl dimethyl betaine, 1 gram-10 grams of salicylic acid, 0.8 gram-2 grams of saccharin sodium, 2 milliliters-8 milliliters of trichloroethylene glycol, 0.1 gram-1 gram of sodium propargyl sulfonate, 5 grams-15 grams of propoxy ethyoxyl lauryl alcohol, 5 milliliters-15 milliliters of ethanol and the balance deionized water. When the zinc-nickel alloy electroplating solution is used for electroplating the surface of the steel rail fastener, the metal surface can be endowed with better corrosion resistance, and a plating layer is bright white, compact, complete and bright and has the characteristics of strong binding force and good comprehensive mechanical property.

Description

technical field [0001] The invention relates to a zinc-nickel alloy electroplating solution, in particular to a zinc-nickel alloy electroplating solution and its application in surface treatment of rail fasteners. Background technique [0002] In the past design of urban rail transit, simple anti-rust treatment methods such as oiling, electrostatic spraying, zinc-nickel plating, and Dacromet coating were generally used for rail fasteners. However, the anti-rust treatment methods of oiling and electrostatic spraying have no anti-corrosion effect, which will lead to serious corrosion of rail fasteners and iron parts after the operation of the line, thus increasing the maintenance workload of the operation department and bringing certain safety hazards. In comparison, Dacromet coating and zinc-nickel coating have certain anti-corrosion effects, but the Dacromet plating solution contains Cr(Ⅵ), Cr(Ⅲ), organic matter and other components that pollute the environment to a certain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/56C25D5/00C25D7/00
CPCC25D3/562C25D3/565C25D5/00C25D7/00
Inventor 崔成林冯子凌石孟雷贾恒琼
Owner BEIJING RAILWELD NEW MATERIAL TECH CO LTD