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Preparation method for spontaneously-generated copper coating on selectively-oxidized steel surface

A technology of self-generated copper cladding and self-generated copper cladding, applied in the direction of solid-state diffusion cladding, coating, metal material coating technology, etc., to achieve the effect of beautiful appearance

Inactive Publication Date: 2014-07-30
UNIV OF SCI & TECH LIAONING
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Problems solved by technology

[0009] The invention provides a method for preparing a self-generated copper cladding layer on the surface of steel by selective oxidation. Through a series of oxidation reactions and surface treatment, a copper cladding layer is spontaneously generated on the surface of the substrate, effectively solving the bonding problem of the cladding interface

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  • Preparation method for spontaneously-generated copper coating on selectively-oxidized steel surface
  • Preparation method for spontaneously-generated copper coating on selectively-oxidized steel surface
  • Preparation method for spontaneously-generated copper coating on selectively-oxidized steel surface

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Embodiment Construction

[0025] The present invention will be described in more detail below in conjunction with the accompanying drawings.

[0026] A kind of method that selective oxidation causes self-generated copper coating on steel surface, the method steps are as follows:

[0027] 1. prepare copper-containing steel, utilize vacuum induction melting furnace or be filled with the smelting furnace of shielding gas to prepare copper-containing steel, the copper-containing steel copper content mass percentage of preparation is 6.8%, as figure 1 shown.

[0028] 2. High-temperature oxidation of copper-containing steel. The prepared copper-containing steel is sampled, placed in a heating furnace, heated to 1150° C. in air, kept for 2 hours, and cooled to room temperature with the furnace. Take out the sample after cooling, and remove the hard shell-like iron oxide scale on the surface of the sample by mechanical means, such as hitting with a hammer or descaling with high-pressure water, to expose the t...

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Abstract

The invention discloses a preparation method for a spontaneously-generated copper coating on a selectively-oxidized steel surface, which is used for spontaneously generating a copper coating on a matrix surface to effectively solve the problem of bonding of a coating interface. The method comprises the following steps: surface oxidization of copper-containing steel, oxide scale removal and copper coating surface treatment. According to the method disclosed by the invention, a copper-steel composite material with the copper coating can be obtained without using any mode of additionally adding a coating; the prepared copper coating is free from the problem of bonding of any composite interface and stripping because of being spontaneously generated from a matrix; the prepared copper-steel composite material reserves the strength performances, such as high strength and high tenacity of steel, and also has the characteristics of corrosion resistance, electric conduction, heat conduction and the like of copper, and is attractive in appearance.

Description

technical field [0001] The invention relates to a preparation method of a copper-clad steel composite material, in particular to a method for selectively oxidizing a self-generated copper cladding layer on the steel surface. Background technique [0002] With the development of composite materials and related processes, a variety of copper-clad steel composite materials have been developed. This material has the advantages of strong corrosion resistance of copper, high electrical conductivity and high strength of iron. It has good comprehensive performance, low manufacturing cost and energy saving. Copper-steel composite materials have been applied in construction, railway, electric power, petrochemical and other industries, and their performance has been verified. In terms of practicability, safety, and economy, they all have very good application prospects. [0003] At present, the methods for producing copper-clad steel wire mainly include electroplating, cladding, hot-d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C8/14C23G1/08B24B1/00
Inventor 李娜张峻巍沙明红李激光李胜利常健
Owner UNIV OF SCI & TECH LIAONING
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