Ceramic metal composite foam material and preparation method thereof

A technology of ceramic metal and composite foam, applied in the field of metal composite materials, can solve the problems of poor material formability, poor strengthening effect, easy thermal cracking and other problems

Active Publication Date: 2022-04-26
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for preparing aluminum-copper-magnesium-titanium ceramic composite foam material, aiming to solve the problem that the aluminum-copper-magnesium material obtained in the existing high-energy beam-based additive manufacturing technology is prone to thermal cracking and poor formability of the material , poor strengthening effect, poor mechanical performance and other technical problems

Method used

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  • Ceramic metal composite foam material and preparation method thereof
  • Ceramic metal composite foam material and preparation method thereof
  • Ceramic metal composite foam material and preparation method thereof

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preparation example Construction

[0031] The embodiment of the present invention provides a method for preparing a ceramic-metal composite foam material, comprising the following steps:

[0032] S10. Obtain 92.4-94.7 parts of aluminum powder, 3.8-4.9 parts of copper powder, 1.2-1.8 parts of magnesium powder and 0.3-0.9 parts of manganese powder, mix and melt the aluminum powder, copper powder, magnesium powder and manganese powder to make powder , to obtain Al-Cu-Mg-Mn alloy powder;

[0033] S20. Obtain 0.2-4 parts of titanium group metal powder and 0.02-0.4 parts of nano-ceramic powder, assemble the titanium-group metal powder and the nano-ceramic powder to obtain a composite powder;

[0034] S30. Mixing the aluminum-copper-magnesium-manganese alloy powder and the composite powder and then drying to obtain a ceramic-metal composite powder;

[0035] S40. After performing additive forming treatment on the ceramic composite powder, performing aging treatment to obtain a ceramic-metal composite foam material.

...

Embodiment 1

[0057] A ceramic-metal composite foam material, comprising the following preparation steps:

[0058] ①According to the mass ratio of aluminum powder: 94.1%, copper powder: 3.9%, magnesium powder: 1.7%, manganese powder: 0.3%, the raw materials are melted in a vacuum induction melting furnace at 700°C, and then gas atomization is carried out after melting Spherical powder is obtained from the powder, and the aluminum-copper-magnesium-manganese alloy powder with a particle size of less than 200 mesh is obtained through a powder collection device and a sieving device.

[0059] ②Select titanium powder with a particle size of less than 200 mesh, and assemble it with nano-ceramic powder at a mass ratio of 10:1 to form a composite powder;

[0060] ③Turn over, invert, and shake the Al-Cu-Mg-Mn alloy powder and 2 parts by weight of the composite powder in a three-dimensional rocking powder mixer for two hours to make them evenly mixed, then place them in a vacuum dryer at 80°C for 4 H...

Embodiment 2

[0064] A ceramic-metal composite foam material, comprising the following preparation steps:

[0065] ①According to the mass ratio of aluminum powder: 94.1%, copper powder: 3.9%, magnesium powder: 1.7%, manganese powder: 0.3%, the raw materials are melted in a vacuum induction melting furnace at 700°C, and then gas atomization is carried out after melting Spherical powder is obtained from the powder, and the aluminum-copper-magnesium-manganese alloy powder with a particle size of less than 200 mesh is obtained through a powder collection device and a sieving device.

[0066] ②Select titanium powder with a particle size of less than 200 mesh, and assemble it with nano-ceramic powder at a mass ratio of 10:1 to form a composite powder;

[0067] ③Turn over, invert, and shake the Al-Cu-Mg-Mn alloy powder and 2 parts by weight of the composite powder in a three-dimensional rocking powder mixer for two hours to make them evenly mixed, then place them in a vacuum dryer at 80°C for 5 H...

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Abstract

The invention belongs to the technical field of metal composite materials, and in particular relates to a preparation method of a ceramic-metal composite foam material, comprising the steps of: obtaining 92.4 to 94.7 parts of aluminum powder, 3.8 to 4.9 parts of copper powder, 1.2 to 1.8 parts of magnesium powder and 0.3 to 0.9 Manganese powder, the aluminum powder, copper powder, magnesium powder and manganese powder are mixed and melted and powdered to obtain aluminum-copper-magnesium-manganese alloy powder; 0.2-4 parts of titanium group metal powder and 0.02-0.4 part of nano-ceramic powder are obtained, Assemble the titanium group metal powder and the nano-ceramic powder to obtain a composite powder; mix and dry the aluminum-copper-magnesium-manganese alloy powder and the composite powder to obtain a ceramic-metal composite powder; After the powder is subjected to additive forming treatment, it is subjected to aging treatment to obtain a ceramic-metal composite foam material. The preparation method of the present invention has the advantages of simple preparation process, wide source of raw materials, low cost, and the prepared ceramic-metal composite foam material has good formability, can be designed into any shape without a mold, has stable properties, is easy to store and transport, and is suitable for large-scale industrial production and production. application.

Description

technical field [0001] The invention belongs to the technical field of metal composite materials, and in particular relates to a ceramic-metal composite foam material and a preparation method thereof. Background technique [0002] With the development of the global social economy, in order to meet the needs of human development, the industry has higher and higher requirements for the performance of the materials used. As a metal material with high specific strength, high specific stiffness, good plasticity and toughness, and good processing performance, aluminum alloy is widely used in aerospace, automobile and other fields. Improving the performance of aluminum alloys has always been a hot spot of concern. Aluminum-copper-magnesium alloy has light specific gravity, anti-oxidation, high hardness, and good machinability. It can be used as a light and high-strength structural material. It is often used to manufacture various light and high-load parts and structural parts. It ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/11C22C1/08C22C1/10C22C21/16B33Y70/10
CPCB22F3/11C22C21/16C22C21/003B33Y70/00
Inventor 李欣蔚朱强刘朝阳郁峥嵘周星宇
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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