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Vapour deposition in situ reaction method for preparing carbon nanotube reinforced aluminium matrix composite material

A carbon nanotube and in-situ reaction technology, applied in chemical instruments and methods, metal material coating technology, gaseous chemical plating, etc., can solve the problems of high price, complicated technology, difficult large-scale application, etc., and achieve enhanced Comprehensive performance, improved electrical performance, good dispersion effect

Inactive Publication Date: 2006-02-08
TIANJIN UNIV
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Problems solved by technology

The first method is simple, but it cannot solve the problem of the dispersion of carbon nanotubes in aluminum matrix composites and the infiltration between them and the matrix; although the second method can improve the carbon nanotubes in aluminum matrix composites to a certain extent Dispersion and infiltration with the matrix, but the price is expensive, the technology is complicated, and it is difficult to apply on a large scale

Method used

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  • Vapour deposition in situ reaction method for preparing carbon nanotube reinforced aluminium matrix composite material
  • Vapour deposition in situ reaction method for preparing carbon nanotube reinforced aluminium matrix composite material

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the examples, and these examples are only used to illustrate the present invention, and do not limit the present invention.

[0019] The weight ratio of Ni / Al catalyst precursor in the present invention refers to the weight ratio of nickel and aluminum in the catalyst precursor.

[0020] In each embodiment of the table below:

[0021] Raw material: Nickel nitrate hexahydrate, commercially available, purity>96%

[0022] Aluminum powder, commercially available, 400 mesh

[0023] example

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Abstract

The invention provides a process for preparing carbon nano tube reinforced aluminum base composite material through gaseous phase in-situ reaction, which comprises using aluminum-base powder as carrying agent, preparing Ni catalyst with chemical deposition precipitation process, obtaining Al-Ni composite powder, preparing carbon nano tube on composite powder in-situ through chemical deposition precipitation process.

Description

technical field [0001] The invention relates to a method for preparing a carbon nanotube aluminum-based composite material, which belongs to the preparation technology of the aluminum-based composite material. Background technique [0002] Aluminum matrix composites have the advantages of low density, corrosion resistance and good processing performance. With the development of modern industries such as aviation, aerospace and automobile manufacturing, higher requirements are put forward for the specific strength, specific stiffness, wear resistance, heat resistance and fatigue resistance of such materials. [0003] Carbon nanotubes (CNTs) have been recognized internationally as a structural material with excellent performance. It is a new type of self-assembled single-molecule material with extremely small scale and excellent mechanical properties. Its closed hollow tubular structure has It has good stability and excellent mechanical properties. It is theoretically estimat...

Claims

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Application Information

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IPC IPC(8): C22C1/04C22C21/00C23C16/26B01J23/835
Inventor 赵乃勤师春生何春年杜希文李家俊
Owner TIANJIN UNIV
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