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Method for enhancing performance of ZrCo alloy to resist CO, CO2 and air poison and anti-pulverization performance of alloy

A technology of CO2 and alloy powder, applied in the direction of silicon oxide, silicon dioxide, etc., can solve the problems of poor anti-powdering ability, etc., and achieve the effect of enhancing viscosity, ensuring purity, good adhesion and wrapping

Active Publication Date: 2015-01-28
MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The object of the present invention is to provide a kind of enhanced ZrCo alloy anti-CO, CO 2 , air poisoning and anti-powdering performance methods, mainly to solve the existing ZrCo alloys that are resistant to CO, CO 2 , air poisoning and poor anti-powdering ability

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  • Method for enhancing performance of ZrCo alloy to resist CO, CO2 and air poison and anti-pulverization performance of alloy
  • Method for enhancing performance of ZrCo alloy to resist CO, CO2 and air poison and anti-pulverization performance of alloy
  • Method for enhancing performance of ZrCo alloy to resist CO, CO2 and air poison and anti-pulverization performance of alloy

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Embodiment

[0059] The invention is mainly used to modify the ZrCo alloy to enhance its resistance to CO and CO 2 , Air poisoning and anti-pulverization performance. Such as figure 1 As shown, the process flow of the present invention for modifying ZrCo alloy powder can be divided into several major steps: preparing ZrCo alloy powder, sieving ZrCo alloy powder, preparing silica sol, wrapping ZrCo alloy powder, and heating and drying. The implementation process is as follows:

[0060] Preparation of ZrCo alloy powder

[0061] The ZrCo alloy powder prepared by the process of the present invention and other processes of the present invention (especially the SiO 2 Sol), which can make ZrCo alloy resistant to CO, CO 2 , Air poisoning and anti-pulverization performance reach the best. The process of preparing ZrCo alloy powder in the present invention is as follows:

[0062] First, the ZrCo alloy particles are loaded into the chemical bed, and the chemical bed is connected to the hydrogen storage pe...

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Abstract

The invention discloses a method for enhancing the performance of ZrCo alloy to resist CO, CO2 and air poison and the anti-pulverization performance of the alloy, which comprises the steps of S1: preparing ZrCo alloy powder; S2: sieving the ZrCo alloy powder; S3: mixing ethyl alcohol with deionized water, and stirring to obtain a mixed solution; S4: adding concentrated hydrochloric acid to adjust the pH value and obtain a first mixture; S5: mixing tetraethoxysilane with ethyl alcohol to obtain a second mixture; S6: mixing the first mixture with the second mixture to obtain a third mixture; S7: standing, and heating the third mixture to volatilize the ethyl alcohol; S8: adding hydrophilic gaseous phase silicon dioxide to the third mixture so as to obtain a silicon dioxide sol; S9: adding the ZrCo alloy powder to the silicon dioxide sol so as to obtain paste; S10: heating and drying the paste. According to the method disclosed by the invention, the problem that the ZrCo alloy is poor in anti-pulverization capability and poor in anti-poison capability is solved, the use stability of the ZrCo alloy is enhanced, and the service life of the ZrCo alloy is prolonged.

Description

Technical field [0001] The invention relates to a method for modifying the surface of a ZrCo alloy, in particular to a method for enhancing the resistance of the ZrCo alloy to CO and CO 2 , Air poisoning and anti-powdering performance methods. Background technique [0002] Hydrogen storage materials are widely used for hydrogen storage, supply and purification. Among them, ZrCo alloy is often used as the main material for tritium storage due to its fast hydrogen absorption speed and low tritium equilibrium dissociation pressure. Generally, the equilibrium pressure of hydrogen absorption of ZrCo alloy at room temperature is 10 -5 mbar, and when the equilibrium dissociation pressure is 1 bar, the temperature is 345°C. Therefore, ZrCo alloy is widely used as the main material for tritium storage and the tritium absorption material in tritium waste treatment. [0003] However, in practical applications, ZrCo alloys also have some problems that need to be resolved. For example, when t...

Claims

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Application Information

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IPC IPC(8): B22F1/02C01B33/14
Inventor 钱晓静林波黄国强秦城卢勇杰朱力桂宋晓晶
Owner MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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