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Metal and ceramic compounded material

A technology of ceramic composite materials and ceramic materials, which is applied in the direction of additive processing, etc., can solve the problems of poor repeatability of the spatial structure of composite materials, inability to precisely control the distribution of preforms, and complicated preparation methods, and achieve high repeatability and molding. The effect of good effect and excellent performance

Pending Publication Date: 2019-08-16
北京中煤煤炭洗选技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among metals, steel is widely used because of its wide distribution, easy mining, low price, and good machinability, but it has the disadvantages of large specific weight and cumbersome product components
Ceramic products have the advantages of low raw material cost, wear resistance, and corrosion resistance. The disadvantage is that once formed, they are fragile and difficult to reprocess.
The preparation method of the invention is complex, the distribution of the preform in the mold cannot be precisely controlled, and the spatial structure of the composite material has poor repeatability

Method used

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  • Metal and ceramic compounded material
  • Metal and ceramic compounded material
  • Metal and ceramic compounded material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] see Figure 1-3 , the present invention provides a technical solution, a metal and ceramic composite material, including a ceramic skeleton 1 and a metal matrix 2, the interior of the metal matrix 2 is provided with a ceramic skeleton 1, and the ceramic skeleton 1 is composed of several hollow ceramics A three-dimensional network structure composed of balls 11 and several ceramic rods 12 for connecting two adjacent hollow ceramic balls 11.

[0030] Wherein, in this embodiment, the ceramic skeleton 1 is made of ceramic material, wherein the ceramic material includes ceramic powder and binder, and the ceramic powder includes oxide ceramic particles, carbide ceramic particles or nitride ceramic particles. One or more mixtures, the average particle size range is 0.1-3mm.

[0031] Wherein, in this embodiment, the oxide ceramic particles are one or more of white corundum particles, brown corundum particles or ZrO2-Al2O3 particles.

[0032] Wherein, in this embodiment, the c...

Embodiment 2

[0047] see Figure 1-3 , the present invention provides a technical solution, a metal and ceramic composite material, including a ceramic skeleton 1 and a metal matrix 2, the interior of the metal matrix 2 is provided with a ceramic skeleton 1, and the ceramic skeleton 1 is composed of several hollow ceramics A three-dimensional network structure composed of balls 11 and several ceramic rods 12 for connecting two adjacent hollow ceramic balls 11.

[0048]Wherein, in this embodiment, the ceramic skeleton 1 is made of ceramic material, wherein the ceramic material includes ceramic powder and binder, and the ceramic powder includes oxide ceramic particles, carbide ceramic particles or nitride ceramic particles. One or more mixtures, the average particle size range is 0.1-3mm.

[0049] Wherein, in this embodiment, the oxide ceramic particles are one or more of white corundum particles, brown corundum particles or ZrO2-Al2O3 particles.

[0050] Wherein, in this embodiment, the ca...

Embodiment 3

[0065] see Figure 1-3 , the present invention provides a technical solution, a metal and ceramic composite material, including a ceramic skeleton 1 and a metal matrix 2, the interior of the metal matrix 2 is provided with a ceramic skeleton 1, and the ceramic skeleton 1 is composed of several hollow ceramics A three-dimensional network structure composed of balls 11 and several ceramic rods 12 for connecting two adjacent hollow ceramic balls 11.

[0066] Wherein, in this embodiment, the ceramic skeleton 1 is made of ceramic material, wherein the ceramic material includes ceramic powder and binder, and the ceramic powder includes oxide ceramic particles, carbide ceramic particles or nitride ceramic particles. One or more mixtures, the average particle size range is 0.1-3mm.

[0067] Wherein, in this embodiment, the oxide ceramic particles are one or more of white corundum particles, brown corundum particles or ZrO2-Al2O3 particles.

[0068] Wherein, in this embodiment, the c...

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Abstract

The invention discloses a metal and ceramic compounded material. The metal and ceramic compounded material comprises a ceramic skeleton and a metal substrate, wherein the interior of the metal substrate is provided with the ceramic skeleton with a three-dimensional network structure which is composed of a plurality of hollow ceramic balls and a plurality of ceramic rods used for connection of every two adjacent hollow ceramic balls. The metal and ceramic compounded material provided by the invention has reasonable design, can accurately control the shape and size of the skeleton by combinationof 3D printing, conforms to production expansion of a product, has good molding effect and high precision, can be generated completely according to a preset structure, and has high repeatability andproduction efficiency; the ceramic skeleton is distributed in the substrate in a regular and ordered manner, so the possibility of efficacy failure and damage due to stress concentration caused by adhesion of ceramic particles is reduced to a maximum extent; and the ceramic skeleton and the substrate form an interlocking structure, so cracks are hindered from generating, and excellent performancesof the ceramic and the substrate are fully exerted.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to a metal and ceramic composite material. Background technique [0002] Metals and ceramics are materials widely used in industrial and civil fields. Among metals, steel is widely used because of its wide distribution, easy mining, low price, and good machinability, but it has the disadvantages of large specific weight and cumbersome product components. Ceramic products have the advantages of low raw material cost, wear resistance, and corrosion resistance. The disadvantage is that once formed, they are fragile and difficult to reprocess. The cermet composite material is a multiphase composite material composed of one or more ceramic phases and metals or alloys. Its purpose is to combine the high hardness, high temperature resistance, and good wear resistance of ceramics with the toughness and plasticity of the metal matrix Combining, effectively play the ...

Claims

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Application Information

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IPC IPC(8): C04B35/56C04B35/622C04B35/63C04B35/634B33Y10/00B33Y70/00C04B37/02
CPCB33Y10/00B33Y70/00C04B35/56C04B35/622C04B35/6303C04B35/634C04B37/021C04B2235/6567
Inventor 刘文玉徐子利陈力胡杰
Owner 北京中煤煤炭洗选技术有限公司
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