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A three-dimensional carbon nanophase composite reinforced aluminum-based material and its preparation method

A technology of composite reinforcement and aluminum-based materials, applied in metal processing equipment, transportation and packaging, etc., can solve problems such as difficulty in obtaining synergistic reinforcement effects and poor compatibility, and achieve good scalability, low cost, and low equipment requirements Effect

Active Publication Date: 2021-11-02
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with the resin matrix, the metal matrix does not have surface functional groups, and its compatibility with carbon nanomaterials is poor, making it difficult to obtain a synergistic enhancement effect of 1+1>2.

Method used

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  • A three-dimensional carbon nanophase composite reinforced aluminum-based material and its preparation method
  • A three-dimensional carbon nanophase composite reinforced aluminum-based material and its preparation method
  • A three-dimensional carbon nanophase composite reinforced aluminum-based material and its preparation method

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Effect test

Embodiment 1

[0027] The preparation of a three-dimensional carbon nanophase composite reinforced aluminum-based material comprises the following steps:

[0028] 1) Dissolve 1g of DGEBA and 0.5g of nickel nitrate hexahydrate in 200ml of ethanol, then move it into a magnetic stirring pot, add 25g of aluminum powder (diameter 20~30μm) under the condition of stirring at 90°C to coat the surface of the aluminum powder , and at the same time add 1ml of ethylenediamine (EDA) dropwise, and continue to stir until the ethanol is completely volatilized to obtain a surface-treated composite aluminum powder;

[0029] 2) Put the surface-treated composite aluminum powder prepared in step 1) in a tube furnace, and heat it to 400°C under the condition of high-purity hydrogen (the flow rate of high-purity hydrogen is 80 sccm, and the heating rate is 5°C / min) , keep warm for 1h, then heat to 600°C in a mixed atmosphere of argon and hydrogen (the flow rate of argon gas is 320 sccm, the flow rate of hydrogen g...

Embodiment 2

[0038] The preparation of a three-dimensional carbon nanophase composite reinforced aluminum-based material comprises the following steps:

[0039] 1) Dissolve 1g of bisphenol A diglycidyl ether (DGEBA) and 0.5g of nickel nitrate hexahydrate in 200ml of ethanol, then move it into a magnetic stirring pot, add 25g of aluminum powder (20~30μm in diameter) under stirring at 90°C , so that it is coated on the surface of the aluminum powder, and at the same time, 1ml of ethylenediamine (EDA) is added dropwise, and the stirring is continued until the ethanol is completely volatilized, and the surface-treated composite aluminum powder is obtained;

[0040] 2) Put the surface-treated composite aluminum powder prepared in step 1) in a tube furnace, and heat it to 400°C under the condition of high-purity hydrogen (the flow rate of high-purity hydrogen is 80 sccm, and the heating rate is 5°C / min) , keep warm for 1h, then heat to 600°C in a mixed atmosphere of argon and hydrogen (the flow ...

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Abstract

The invention discloses a three-dimensional carbon nano phase composite reinforced aluminum base material and a preparation method thereof. It is to firstly immerse the aluminum powder in the ethanol solution containing bisphenol A diglycidyl ether and nickel nitrate hexahydrate, stir magnetically and add ethylenediamine dropwise to obtain the surface-treated aluminum powder, and then pass the surface-treated aluminum powder through After reduction, it is mixed with graphene oxide and subjected to low-speed ball milling, and then reduced to obtain three-dimensional carbon nanophase-coated aluminum powder. Finally, these aluminum powders are subjected to SPS sintering and cold rolling to obtain a three-dimensional carbon nanophase composite reinforced aluminum matrix. Material. The process of the invention is simple and easy to operate, and the cost is low. The obtained composite reinforced aluminum-based material enhances the load transfer efficiency by constructing a three-dimensional carbon nanophase, thereby significantly improving the mechanical properties of the aluminum-based composite material, so that it not only has high tensile strength, but also Maintain good elongation and toughness, and have good scalability.

Description

technical field [0001] The invention belongs to the field of preparation of aluminum-based composite materials, and in particular relates to a three-dimensional carbon nanophase composite reinforced aluminum-based material and a preparation method thereof. Background technique [0002] Aluminum and aluminum alloys have many excellent properties, such as low density, high corrosion resistance, high thermal conductivity and electrical conductivity, good toughness and formability, excellent machining performance, easy recycling, etc., which have been regarded as a A wide range of matrix materials is the main aspect of the current development and research work in the materials community. Due to its light weight, high specific strength and specific stiffness, low thermal expansion coefficient, and easy processing and other excellent properties, aluminum matrix composites are widely used in construction, ships, automobiles, aerospace, national defense, and civil applications. How...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/00C22C1/10C22C1/04B22F1/02B22F3/105
CPCC22C21/00C22C1/101B22F3/105C22C2026/002B22F2003/1051B22F1/16
Inventor 陈俊锋王文龙梁思琰程佳乐
Owner FUZHOU UNIV
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