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Nanometer treatment method for stainless steel

A treatment method, stainless steel technology, applied in the field of stainless steel surface treatment, can solve the problems of high cost of the method, insufficient etching uniformity, etc., achieve the effect of uniform hole depth, mild reaction, and save time and cost

Inactive Publication Date: 2018-03-20
安徽新合富力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a stainless steel nano-processing method, which solves the problems of insufficient etching uniformity and high cost of the method after the traditional stainless steel surface treatment method

Method used

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  • Nanometer treatment method for stainless steel
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  • Nanometer treatment method for stainless steel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A stainless steel nano treatment method, the steps include degreasing, hot water cleaning, dry ice cleaning, nano treatment, water washing, dry ice cleaning, alkali etching, double water cleaning, neutralization, water washing, the selected medicament and dosage of the nano treatment step for:

[0024]

[0025]

[0026] The temperature of nano treatment is 20°C, and the time is 60s.

Embodiment 2

[0028] A stainless steel nano treatment method, the steps include degreasing, hot water cleaning, dry ice cleaning, nano treatment, water washing, dry ice cleaning, alkali etching, double water cleaning, neutralization, water washing, the selected medicament and dosage of the nano treatment step for:

[0029]

[0030] The temperature of the nano treatment is 40°C and the time is 120s.

Embodiment 3

[0032] A stainless steel nano treatment method, the steps include degreasing, hot water cleaning, dry ice cleaning, nano treatment, water washing, dry ice cleaning, alkali etching, double water cleaning, neutralization, water washing, the selected medicament and dosage of the nano treatment step for:

[0033]

[0034] The temperature of the nano treatment is 60°C and the time is 240s.

[0035] Cu in the above-mentioned each embodiment 2+ It is a mixed reagent of copper sulfate and copper sulfate.

[0036] The degreasing step in each of the above embodiments is specifically to treat the surface of stainless steel at 35° C. for 10 min with a degreasing and degreasing solution with a mass concentration of 5%.

[0037] The formula of the degreasing and degreasing solution in the above-mentioned embodiments comprises 12% of sodium carbonate, 6% of sodium hydroxide, 3% of sodium silicate, 3% of potassium pyrophosphate, 2% of sodium chloride, benzotriazole 0.2%, nonylphenol eth...

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Abstract

The invention discloses a nanometer treatment method for stainless steel. The nanometer treatment method comprises the steps of degreasing, hot water cleaning, dry ice cleaning, nanometer treatment, water washing, dry ice cleaning, alkaline etching, twice successive water cleaning, neutralization and water washing. In the nanometer treatment step, 250-300 g / L of ferric trichloride, 50-100 g / L of hydrochloric acid, 20-30 g / L of Cu2+ and 5-10 g / L of sodium dihydrogen phosphate are selected to be used. Nanometer treatment is conducted for 60-240 seconds at the temperature of 20-60 DEG C. The nanometer treatment method is mild in reaction and uniform in etching speed; pits at the nanometer scale can be formed in the surface of the stainless steel, and the formed pits are uniform; and the process is completed by one step, so that the time cost is saved. Copper ions are used, and therefore, etching can be implemented steadily; formed holes are uniform in depth; the formed pits are filled with resin in the injection molding process, so that tight connection is achieved between the resin and the surface of the stainless steel; and the bonding strength between the resin and the steel is improved.

Description

technical field [0001] The invention relates to the technical field of stainless steel surface treatment, in particular to a stainless steel nano treatment method. Background technique [0002] Plastic-metal composite molding technology is to inject plastic on the metal surface to form a whole. First, after forming nano-holes on the metal surface, a certain pressure is applied to make the plastic melt into the hole structure on the metal surface, thereby forming a crowd interlocking. It is difficult to form a nano-pore structure on the surface of stainless steel. The currently widely used heterogeneous material gluing technology has disadvantages such as overflow and poor bonding, and there are related problems such as lack of autonomy in the structure. [0003] Application No. 2017100162936 discloses a method for surface treatment of stainless steel. Firstly, it is etched with inorganic acid, and then etched with fluoride. It is divided into two steps. The method has many ...

Claims

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Application Information

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IPC IPC(8): C23F1/28
CPCC23F1/28
Inventor 张文涛
Owner 安徽新合富力科技有限公司
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