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Preparation method of magnesium base graphene alloy

A magnesium-based ene and magnesium alloy technology, applied in the field of preparation of magnesium-based ene alloys, can solve problems affecting the properties of ene alloys, difficulty in large-scale production, small graphene size, etc., to achieve high production efficiency and excellent engineering application prospects , the effect of low manufacturing cost

Inactive Publication Date: 2015-12-02
AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, graphene has the problems of small size, large specific surface area, difficulty in dispersing, and easy agglomeration, which seriously affects the performance of graphene alloys.
At present, the process of graphene-reinforced metal matrix composites has the problem of low output, and it is difficult to form large-scale production

Method used

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  • Preparation method of magnesium base graphene alloy
  • Preparation method of magnesium base graphene alloy
  • Preparation method of magnesium base graphene alloy

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Experimental program
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Embodiment 1

[0043] Prepare magnesium-based graphene, the specific steps are as follows:

[0044] a) preparing graphene and magnesium mixed powder, powder comprising: graphene 10g (prepared by Hummer's method), magnesium alloy powder 1kg;

[0045] The magnesium alloy includes the following components in weight percent: Al8.5-9.5%; Zn0.45-0.90%; Mn0.17-0.4%; Si≤0.05%; Cu≤0.025; Ni≤0.001; Fe≤0.004; magnesium ( Cu) balance.

[0046] a-1) preparing graphene monodisperse solution;

[0047] a-1-1) configure organic solvent aqueous solution, the weight of organic solvent is 19 times of graphene, organic solvent is ethanol solution, the mass percent of organic solvent in organic solvent aqueous solution is 80%;

[0048] a-1-2) Graphene is dissolved in the organic solvent aqueous solution;

[0049] a-1-3) putting the graphene organic solution prepared in step a-1-2) into an ultrasonic oscillator and stirring the solution for 2 hours;

[0050] a-2) adding QZr0.2 magnesium alloy powder to the graph...

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Abstract

The invention provides a preparation method of a magnesium base graphene alloy. The method comprises the steps of: preparing mixed powder of graphene and magnesium and / or magnesium alloy, putting the mixed powder into a cover for vacuum degassing, performing hot isostatic pressing, remelting and performing homogenization treatment. According to the method, a certain quantity of magnesium base graphene alloy prefabricated ingot is remelted into magnesium alloy molten liquid; the content of graphene in a composite material is preferably controlled through calculation; as the graphene does not float out, the content in the magnesium base graphene alloy can be accurately controlled; and the preparation method is provided based on semi-continuous casting, and is simple in process operation, high in production efficiency, low in manufacturing cost and easy for realizing large-scale industrialization.

Description

technical field [0001] The invention relates to a preparation method of an olefin alloy, in particular to a preparation method of a magnesium-based olefin alloy. Background technique [0002] Graphene is a new type of two-dimensional nanomaterial. Its nanosheet is a two-dimensional material with a single atomic layer thickness composed of sp2 hybridized carbon atoms. It is the thinnest and hardest nanomaterial known in the world, with a strength as high as 1.01Tpa. , is 100 times that of structural steel, but its density is 1 / 5 of that of structural steel. The thermal conductivity is as high as 5300W / m·K, which is higher than that of carbon nanotubes and diamonds. The electron mobility at room temperature exceeds 200,000cm2 / V·S, which is higher than that of carbon nanotubes or silicon crystals. The resistivity is only about 1Ω·m, which is higher than that of magnesium or silver. Lower, the material with the smallest resistivity in the world. [0003] Graphene is a nano-sca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C23/00
Inventor 何维维李炯利王旭东戴圣龙燕绍九
Owner AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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