Method for reducing oxidation speed of metal product

A metal product, oxidation speed technology, applied in anodic oxidation, metal material coating process, solid-state diffusion coating, etc., can solve the problems of complicated process, high price, copper damage, etc., and achieve the effect of simple operation and simple operation

Active Publication Date: 2020-05-15
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods all rely on additional coating, the process is complicated, the price is high, and it will damage the surface properties of copper, especially single crystal copper

Method used

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  • Method for reducing oxidation speed of metal product
  • Method for reducing oxidation speed of metal product
  • Method for reducing oxidation speed of metal product

Examples

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Embodiment 1

[0030] Example one: such as figure 1 Shown is a schematic diagram of an electrolytic cell used in the present invention. The electrolytic cell includes an anode, a cathode and an electrolyte, wherein the metal sample to be processed is used as the anode, and the weak acid-containing solution is used as the electrolyte. The cathode includes copper or platinum. In a specific embodiment, the cathode includes copper foil.

[0031] The present invention provides a method for reducing the oxidation rate of metal products by electrochemical treatment, which includes the following steps:

[0032] (1) Prepare the metal sample to be processed;

[0033] (2) Use the metal sample to be processed as the anode and the weak acid solution as the electrolyte to build an electrolytic cell;

[0034] (Three), the current density is 0.001-0.01A / cm 2 Power on for 5-60 minutes;

[0035] (4) Take out the sample after the power is cut off, and quickly wipe dry after cleaning to obtain the metal product.

[0036...

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Abstract

The invention provides a method for reducing the oxidation speed of a metal product. The method comprises the following steps of: constructing an electrolytic cell by taking a metal sample to be treated as an anode and taking an aqueous solution containing weak acid as an electrolyte; after electrifying for a period of time, powering off and taking out the sample; and (3) cleaning and drying the sample to obtain the metal product. According to the method, the oxidation speed of the metal product can be reduced through quite simple operation, and the surface property of the metal product can bemaintained.

Description

Technical field [0001] The invention relates to a method for reducing the oxidation rate of metal products, in particular to a method for reducing the oxidation rate of metal products by electrochemical treatment. Background technique [0002] Copper is a metal with a long history of use and a wide range of applications. It has very excellent thermal and electrical properties, so it has become the preferred metal material for power transmission and electronic device applications. In particular, due to the good match of the copper surface with graphene, chemical vapor deposition can be used on single crystal copper substrates. (CVD) method to prepare graphene. However, compared to gold and silver, copper is also a more easily oxidized metal. It will be oxidized to cuprous oxide and copper oxide at high temperatures, and it will be oxidized to basic copper carbonate in humid air. The earth affects the excellent electrical, mechanical, thermal and other properties of copper. Ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/34C23C8/12
CPCC23C8/12C25D11/34
Inventor 刘开辉赵孟泽张志斌寇金宗
Owner PEKING UNIV
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