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A deep supercooling preparation method of graphene-reinforced magnesium-based composites

A composite material and graphene technology, which is applied in the field of deep undercooling preparation of graphene-reinforced magnesium-based composite materials, can solve problems such as poor surface quality and mechanical properties, complicated preparation process, and long preparation cycle, and achieve surface quality and Poor mechanical properties, simple preparation process, and short preparation cycle

Active Publication Date: 2021-02-05
ZHONGBEI UNIV
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Problems solved by technology

[0003] In order to solve the problems of poor surface quality and mechanical properties, complex preparation process, high preparation cost and long preparation period of the products produced by the existing graphene-enhanced magnesium-based composite material preparation method, the present invention provides a graphene-enhanced magnesium-based composite material. Deep subcooling preparation method of materials

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  • A deep supercooling preparation method of graphene-reinforced magnesium-based composites

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Embodiment Construction

[0031] A kind of deep subcooling preparation method of graphene-reinforced magnesium-based composite material, this method is to adopt following steps to realize:

[0032] 1) Prepare the following materials: magnesium alloy block 100g±1g, graphene powder 5g±1g, absolute ethanol 1000mL±1mL, diboron trioxide 50g±1g, argon gas 800000cm 3 ±100cm 3 ;

[0033] 2) Pour absolute ethanol into the ultrasonic cleaning machine, and then put the quartz crucible and magnesium alloy block into the ultrasonic cleaning machine for cleaning for at least 6 minutes, thereby removing the surface impurities of the quartz crucible and magnesium alloy block;

[0034] 3) Weigh 50g ± 0.001g of the magnesium alloy block, and then mechanically cut the magnesium alloy block into pieces, thereby obtaining magnesium alloy particles with a diameter ≤ 3mm;

[0035] 4) Preparation of graphene-magnesium alloy mixed powder:

[0036] 4.1) Weigh 0.5g±0.001g of graphene powder;

[0037] 4.2) Ultrasonic disperse...

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Abstract

The invention relates to a preparation method of a graphene-reinforced magnesium-based composite material, in particular to a deep supercooling preparation method of a graphene-reinforced magnesium-based composite material. The invention solves the problems of poor surface quality and mechanical properties, complicated preparation process, high preparation cost and long preparation cycle of products prepared by the existing graphene-reinforced magnesium-based composite material preparation method. A deep supercooling preparation method of graphene-reinforced magnesium-based composite material, the method is realized by the following steps: 1) Prepare the following materials: magnesium alloy block 100g±1g, graphene powder 5g±1g, absolute ethanol 1000mL±1mL, boron trioxide 50g±1g, argon 800000cm 3 ±100cm 3 ;2) Remove surface impurities of quartz crucible and magnesium alloy block; 3) Obtain magnesium alloy particles; 4) Prepare graphene-magnesium alloy mixed powder: 5) Prepare graphene-magnesium alloy mixed slurry: 6) Natural cooling; 7) Peel off Quartz crucible and boron trioxide. The invention is suitable for the preparation of graphene-reinforced magnesium-based composite materials.

Description

technical field [0001] The invention relates to a preparation method of a graphene-reinforced magnesium-based composite material, in particular to a deep supercooling preparation method of a graphene-reinforced magnesium-based composite material. Background technique [0002] Under the existing technical conditions, the preparation of graphene-reinforced magnesium-based composite materials is mainly carried out by powder metallurgy. However, practice has shown that the existing preparation methods have the following problems due to their own limitations: First, the existing preparation methods are difficult to ensure the close combination of graphene and magnesium alloy, which leads to poor metallographic compactness of the produced product on the one hand. On the other hand, there are a large number of shrinkage cavities and shrinkage defects in the manufactured products, resulting in poor surface quality and mechanical properties of the manufactured products. Second, the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C23/02C22C1/10C22C1/06B22F9/04
CPCB22F9/04B22F2009/043C22C1/06C22C1/1036C22C23/02
Inventor 赵宇宏李利民李沐奚陈利文侯华景舰辉孙晓平
Owner ZHONGBEI UNIV
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