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Method for producing hot-dip aluminized stainless steel sheet using atmospheric pressure plasma

A stainless steel plate, plasma technology, applied in hot dip plating process, coating, metal material coating process, etc., can solve the problems of difficult application, increased manufacturing cost, etc., and achieve excellent wettability and adhesion. Effect

Inactive Publication Date: 2009-10-28
POHANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method requires additional equipment to first coat the stainless steel with an intermediate coating
The use of additional equipment makes it difficult to apply this method to the usual hot-dip plating line and also results in increased manufacturing costs

Method used

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  • Method for producing hot-dip aluminized stainless steel sheet using atmospheric pressure plasma
  • Method for producing hot-dip aluminized stainless steel sheet using atmospheric pressure plasma
  • Method for producing hot-dip aluminized stainless steel sheet using atmospheric pressure plasma

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Embodiment Construction

[0021] Hereinafter, exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. However, in describing the operation of the exemplary embodiments in detail, when it is considered that a detailed description of a related well-known function or construction will unnecessarily obscure key points of the invention, such detailed description will be omitted.

[0022] figure 1 is a view showing a continuous hot-dip aluminum plating process in which the present invention can be practiced.

[0023] like figure 1 As shown, the stainless steel 10 is subjected to an electrolytic cleaning process in an electrolytic cleaning unit 20 so that foreign substances on the surface of the stainless steel 10 are removed. In this way, foreign substances on the surface of the stainless steel 10 are removed by the electrolytic cleaning process, so that the plating characteristics in subsequent processes can be improved. The stainless st...

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Abstract

The invention relates to a method for producing a hot-dip aluminized stainless steel sheet that improves wettability and adhesion between the stainless steel sheet and aluminum by performing atmospheric plasma processing on the stainless steel sheet and hot-dip aluminizing the stainless steel sheet. A method for producing a hot-dip aluminized stainless steel sheet using an atmospheric plasma according to an aspect of the invention includes heating a stainless steel sheet at predetermined temperature; performing atmospheric plasma processing on the surface of the heated stainless steel sheet; and passing the stainless steel sheet subjected to the atmospheric plasma processing through a hot-dip aluminum plating bath to hot-dip aluminize the stainless steel sheet.

Description

technical field [0001] The present invention relates to a method of producing a hot-dip aluminized stainless steel sheet, and more particularly, to a method of producing a hot-dip aluminized stainless steel sheet by treating the stainless steel sheet with Hot-dip aluminum plating is performed to improve wettability and adhesion between stainless steel plate and aluminum. Background technique [0002] Plasma is an ionized gas. Unlike a high-temperature gas containing only electrically neutral atoms, in a plasma, particles having charges opposite to each other (ie, electrons and nuclei) are mixed with each other. The plasma is neutral overall. However, locally, an electric field is generated due to charge separation between cations and electrons, and a magnetic field of current is generated due to the flow of charges. [0003] Plasma can be classified into low-temperature plasma and high-temperature plasma according to the temperature at which plasma is generated. In addit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/02
CPCC23C2/02C23C2/12C23C2/024C23C2/022C23C2/40
Inventor 洪在和朴亨国辛容兑吴基庄
Owner POHANG IRON & STEEL CO LTD