Stainless steel surface treatment method

A surface treatment, stainless steel technology, applied in the plating of superimposed layers, metal material coating process, coating and other directions, can solve the problem of unable to realize the three-dimensional texture of stainless steel, and achieve the effect of improving flatness and enhancing corrosion resistance.

Active Publication Date: 2015-06-24
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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Problems solved by technology

[0003] The purpose of the present invention is to provide a surface treatment method for stainless steel, aiming to solve the technical problem in the prior art that the three-dimensional texture of stainless steel cannot be achieved after surface treatment of stainless steel

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] Please refer to figure 1 with figure 2 , the surface treatment method of stainless steel provided by the embodiment of the present invention comprises the following steps:

[0028] S1: pretreatment, cleaning the surface of the stainless steel substrate 10 and removing the residues on the surface of the stainless steel substrate 10; removing impurities and residues on the surface of the stainless steel substrate 10 through the pretreatment step to increase the The adhesion of the surface of the stainless steel substrate 10 and the activity of the surface of the stainless steel substrate 10...

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Abstract

The invention is suitable for the technical field of metal surface treatment methods, provides a stainless steel surface treatment method and aims at solving the technical problem of failure in showing stainless steel three-dimensional texture after stainless steel surface treatment in the prior art. The stainless steel surface treatment method comprises the following steps: pretreatment, namely cleaning the surface of a stainless steel substrate; impacting nickel, namely performing impacting electronickelling on the stainless steel substrate to obtain an impact nickel layer; acidic copper electroplating, namely performing acidic copper electroplating treatment on the impact nickel layer and forming a copper coating; pearl nickel electroplating, namely performing pearl nickel electroplating treatment on the surface of the copper coating and obtaining a pearl nickel layer with sand feeling; electrochroming, namely forming a protective chrome layer on the surface layer of the pearl nickel layer; and aftertreatment. The pearl nickel electroplating treatment is adopted to increase the sand feeling of the copper coating and then the surface with the three-dimensional texture can be obtained; and the electrochroming treatment is adopted to form the protective film on the surface of the pearl nickel layer, and therefore, the stainless steel substrate also has silver white metal texture.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment methods, in particular to a stainless steel surface treatment method. Background technique [0002] When performing metal surface treatment, the common way is to process the film layer on the near-field surface of the metal to obtain different surface effects. For example, apply heat-resistant ink or heat-resistant paint on the surface of the metal substrate to cover the barrier plating layer on the parts that do not need to be coated, and finally perform vacuum coating. Because the parts coated with heat-resistant raw materials are not coated with a film layer, a metal film layer effect with two colors on the surface is produced. In addition, for the surface treatment of stainless steel, ordinary electroplating is usually used to obtain a flat and smooth surface. However, the above-mentioned surface treatment methods all obtain smooth and flat surfaces, and it is difficult to re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/14C23C28/00
CPCC23C28/00C25D5/14
Inventor 杨光明
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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