Preparation method of stainless steel surface copper-silver diffusion coating layer

A technology of stainless steel and permeable coating, which is applied in the direction of coating, sputtering plating, ion implantation plating, etc., can solve the problems of high energy and raw material consumption, unsustainable antibacterial effect, complicated follow-up process, etc., and shorten the sterilization time , easy quality control, good process repeatability

Inactive Publication Date: 2010-11-10
TAIYUAN UNIV OF TECH
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Problems solved by technology

[0012] The invention provides a method for preparing a copper-silver infiltrated coating on the surface of stainless steel, so as to overcome the problems of high energy and raw material consumption, complicated follow-up process and difficult control caused by the existing overall smelting method; the antibacterial effect caused by the ion impla

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  • Preparation method of stainless steel surface copper-silver diffusion coating layer
  • Preparation method of stainless steel surface copper-silver diffusion coating layer
  • Preparation method of stainless steel surface copper-silver diffusion coating layer

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Embodiment 1

[0027] The present invention claims to prepare a copper-silver coating on the surface of stainless steel. The method has been tested with OCr18Ni9 type austenite, 1Cr13 type martensite and 1Cr17 type ferritic stainless steel. Taking the stainless steel as an example, the method is carried out according to the following steps:

[0028] 1. Double-layer glow ion metal infiltration technology copper infiltration

[0029] (1) Clean the surface of OCr18Ni9 austenitic stainless steel: pass OCr18Ni9 austenitic stainless steel through 360 # Grinding with water sandpaper to remove surface burrs and ensure a better surface smoothness, then use different grades of water sandpaper and metallographic sandpaper to polish in turn, and finally polish on a polishing cloth to ensure a better surface finish, and finally wash and dry.

[0030] (2) Furnace loading: Place OCr18Ni9 type austenitic stainless steel in a double-layer glow ion infiltration metal furnace, use a copper plate with a purity...

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Abstract

The invention relates to a preparation method of a stainless steel surface copper-silver diffusion coating layer, which is characterized in that: a double-layer glow ion metal cementation method is utilized to infiltrate copper on the surface of a stainless steel base material, and an oxidized layer and a copper film on the surface of the stainless steel base material are removed; then a chemical plating method is utilized to plate silver on the surface of the stainless steel base material; and finally thermal diffusion treatment on the stainless steel base material after being plated with silver is carried out, so an antibacterial sterilization film layer with graded distribution of copper and silver on the surface of the stainless steel base material is formed. The antibacterial stainless steel can greatly improve the antibacterial and sterilization effect under the common effect of the copper and the silver, can reduce the production cost, and can solve the problem of the great consumption of the energy and the raw material caused by the integral smelting method. The method has good repeatability, can easily control the quality, is simple to operate, and can be widely applicable to the production of the antibacterial stainless steel product.

Description

technical field [0001] The invention relates to a method for infiltrating ions on a metal surface, in particular to a method for infiltrating copper and silver on the surface of stainless steel by combining a double-layer glow ion infiltrating metal method and an electroless plating method. Background technique [0002] The existing antibacterial stainless steel is divided into surface-coated antibacterial stainless steel, composite antibacterial stainless steel, and antibacterial stainless steel with added antibacterial elements. [0003] Surface-coated antibacterial stainless steel is generally based on stainless steel, and organic antibacterial agents and photocatalyst powder materials are coated on it by spraying, roller coating, sol, composite plating and other processes to form a unique antibacterial coating product. However, metal materials often require high-temperature heat treatment, and organic antibacterial agents have relatively poor heat resistance. In additio...

Claims

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Application Information

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IPC IPC(8): C23C14/34C23C14/16C23C18/44C21D1/773
Inventor 贺志勇王振霞贺耀华刘俊王英芹张翔宇
Owner TAIYUAN UNIV OF TECH
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