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A kind of preparation method of single-walled carbon nanotube reinforced aluminum-magnesium-boron ceramic material

A technology of single-wall carbon nanotubes and ceramic materials, which is applied in the field of preparation of single-wall carbon nanotube-reinforced aluminum-magnesium-boron ceramic materials, which can solve the problems of high brittleness, low toughness, and limited application range, etc., and achieve dense metallographic structure Good performance, accurate and detailed data, and advanced technology

Inactive Publication Date: 2018-01-23
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

[0002] Aluminum-magnesium-boron ceramic materials have the characteristics of high hardness, good wear resistance, and good chemical stability, and are often used in military equipment and mechanical equipment with high mechanical properties; although aluminum-magnesium-boron ceramic materials have high hardness, they are brittle and low in toughness , which limits its scope of application

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  • A kind of preparation method of single-walled carbon nanotube reinforced aluminum-magnesium-boron ceramic material
  • A kind of preparation method of single-walled carbon nanotube reinforced aluminum-magnesium-boron ceramic material
  • A kind of preparation method of single-walled carbon nanotube reinforced aluminum-magnesium-boron ceramic material

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Embodiment Construction

[0062]The present invention will be further described below in conjunction with accompanying drawing:

[0063] figure 1 As shown, it is the plasma discharge sintering state diagram of the enhanced aluminum-magnesium-boron ceramic material. The position and connection relationship of each part must be correct, and the ratio should be adjusted according to the quantity and operated in sequence.

[0064] Quantities of chemicals used in preparation are determined in pre-set ranges in grams, milliliters, microns, centimeters 3 is the unit of measurement.

[0065] Plasma discharge sintering of enhanced aluminum-magnesium-boron ceramic materials is carried out in a vacuum sintering furnace, which is completed under vacuuming, argon gas feeding, plasma discharge heating, and external water circulation cooling;

[0066] The vacuum sintering furnace is vertical, the bottom of the vacuum sintering furnace 1 is a support 4, the furnace base 3, the upper part is a furnace top seat 2, and...

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Abstract

The invention relates to a single-wall carbon nanotube enhanced type aluminum magnesium boron ceramic material preparation method and aims at overcoming the defects that an aluminum magnesium boron ceramic material has great fragility and poor toughness. The preparation method comprises the steps of doping single-wall carbon nanotube into an aluminum magnesium boron ceramic material base body, vacuum plasma discharging, hot pressing and sintering to obtain the enhanced type aluminum magnesium boron ceramic material. The preparation method has an advanced technology and accurate and detailed data, the prepared enhanced type aluminum magnesium boron ceramic material is in a black bulk shape, metallographic structure compactness is good, microhardness can reach 27 to 30GPa, fracture toughness property can reach 6 to 10MPa.m<0.5>, and the enhanced type aluminum magnesium boron ceramic material preparation method is advanced.

Description

technical field [0001] The invention relates to a preparation method of a single-wall carbon nanotube reinforced aluminum-magnesium-boron ceramic material, which belongs to the technical field of preparation and application of strong and tough ceramic materials. Background technique [0002] Aluminum-magnesium-boron ceramic materials have the characteristics of high hardness, good wear resistance, and good chemical stability, and are often used in military equipment and mechanical equipment with high mechanical properties; although aluminum-magnesium-boron ceramic materials have high hardness, they are brittle and low in toughness , limiting its scope of application. [0003] Carbon nanotubes have unique structural characteristics, excellent mechanical properties and electrochemical properties, and good thermal stability. The Young's modulus of carbon nanotubes reaches 1Tpa, which is the same as diamond, 5 times that of steel, and the elastic modulus reaches 1Tpa. 12%, whic...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/80C04B35/58
CPCC04B35/58057C04B2235/96C04B2235/5248C04B2235/402
Inventor 刘雯赵旭东宋素芳马纪伟罗彩霞闫建新郭晓霞王佳峰
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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