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Method for enhancing air poison resistance of Zr2Fe alloy

A performance and air technology, applied in the field of enhancing the anti-air poisoning performance of Zr2Fe alloy, can solve the problems of poor anti-air poisoning performance, shorten the time of ball milling, ensure the modification effect, and reduce the effect of impact frequency and strength

Active Publication Date: 2015-01-07
MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0007] The object of the present invention is to provide a kind of enhanced Zr 2 The method for the anti-air poisoning performance of Fe alloy mainly solves the existing Zr 2 Fe alloys have the problem of poor air poisoning resistance

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  • Method for enhancing air poison resistance of Zr2Fe alloy
  • Method for enhancing air poison resistance of Zr2Fe alloy
  • Method for enhancing air poison resistance of Zr2Fe alloy

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Embodiment

[0053] The present invention is mainly used for Zr 2 Fe alloys are modified to enhance their resistance to air poisoning. like figure 1 Shown, the present invention for Zr 2 The technological process of Fe alloy powder modification can be divided into the preparation of Zr 2 Fe alloy powder, sieved Zr 2 Fe alloy powder, preparation of silica sol, wrapping Zr 2 The steps of Fe alloy powder and heating and drying are as follows:

[0054] Preparation of Zr 2 Fe alloy powder

[0055] The present invention adopts the method of ball milling combined with vacuuming, Ar gas cleaning and charging to prepare Zr 2 Fe alloy powder, Zr under inert gas Ar protective atmosphere 2 Fe alloy particles were ball milled; at the same time, the Zr after ball milling 2 The Fe alloy was passivated with Ar gas and placed in a glove box, so that the cracked Zr 2 The Fe alloy slowly contacts the air. Adopt the Zr prepared by process of the present invention 2 Fe alloy powder, cooperates othe...

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Abstract

The invention discloses a method for enhancing air poison resistance of Zr2Fe alloy. The method for enhancing the air poison resistance of the Zr2Fe alloy includes steps: S1, simultaneously loading Zr2Fe alloy particles and stainless steel balls into a stainless steel vacuum ball milling tank, and connecting the stainless steel vacuum ball milling tank with a hydrogen storage performance test system; S2, pumping gas out of the stainless steel vacuum ball milling tank, and inflating the stainless steel vacuum ball milling tank with argon gas; S3, performing ball milling on the Zr2Fe alloy particles; S4, inflating the stainless steel vacuum ball milling tank with the argon gas, and passivating the Zr2Fe alloy particles; S5, placing the stainless steel vacuum ball milling tank into a glove box, controlling air inflow of air, and exposing Zr2Fe alloy powder to air; S6, sieving the Zr2Fe alloy powder; S7, preparing silicon dioxide sol; S8, adding the Zr2Fe alloy powder into the silicon dioxide sol and stirring the Zr2Fe alloy powder so as to form cream; S9, heating and drying the cream. The method for enhancing the air poison resistance of the Zr2Fe alloy solves the problem that the Zr2Fe alloy is poor in air poison resisting ability, strengthens use stability of the Zr2Fe alloy, and prolongs use life of the Zr2Fe alloy.

Description

technical field [0001] The present invention relates to a kind of Zr 2 The method for modifying the surface of Fe alloy, specifically related to a kind of enhanced Zr 2 A method for the anti-air poisoning properties of Fe alloys. Background technique [0002] Among the hydrogen storage materials, there is a class of materials called getter materials, which are generally used to obtain ultra-high vacuum in vacuum devices. Zr 2 Fe alloy is a typical getter material, which is usually used in the treatment of tritium-containing atmosphere. Using the metal getter method to capture tritium in an inert atmosphere, compared with the widely used catalytic oxidation-adsorption method, has the advantages of not producing highly toxic tritium water, and the captured tritium is easy to recover. A tritium capture method vigorously developed by the laboratory. The key to this method is the hydrogenation performance of the metal getter. An ideal tritium-capturing metal getter should hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/00B22F1/02B22F9/04
Inventor 钱晓静林波黄志勇吕超杨莞蒋春丽丁海成
Owner MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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