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An active composite material with embedded wire mesh structure

A composite material and active technology, applied in the field of composite materials, can solve the problems of high difficulty in compression molding, fragility, and insufficient toughness, and achieve the effects of increasing the scope of use, reducing processing difficulty, and improving performance

Active Publication Date: 2018-03-27
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For metal composite materials made of two or more metal powders, due to the loose particle characteristics, it is difficult to press and form, and the prepared composite materials lack toughness and are fragile due to the lack of supporting mechanisms. Because the structure and physical properties of the powder composite material are the same in all directions, the directional change of the overall physical properties of the material cannot be carried out

Method used

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  • An active composite material with embedded wire mesh structure
  • An active composite material with embedded wire mesh structure
  • An active composite material with embedded wire mesh structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] In this embodiment, the structure of the wire mesh is the same as the wire mesh structure of the active composite material of the above-mentioned first structure. The specific first wire material is aluminum, the wire diameter is 50 μm, and the weaving density is two adjacent parallel wires. The distance between the arranged first wires 1 is 5 mm.

[0059] The composite powder material is made by mixing two powder materials, wherein the first powder material 2 is iron powder, and the second powder material 3 is aluminum powder, both of which have a particle size of 20 μm, and the mixing ratio of the two is 1:1.

[0060] The maximum fusion depth of the first physical fusion zone is 5 μm, the maximum fusion depth of the second physical fusion zone is 7 μm, and the maximum fusion depth of the third physical fusion zone is 7 μm.

Embodiment 2

[0062] In this embodiment, the structure of the wire mesh is the same as the wire mesh structure of the active composite material of the second structure above. Specifically, the material of the first wire is nickel, the diameter of the wire is 55 μm, and the winding density is that of two adjacent parallel wires. The distance between the arranged first wires 1 is 4 mm.

[0063] The composite powder material is made by mixing two powder materials, wherein the first powder material 2 is boron powder, and the second powder material 3 is aluminum powder, both of which have a particle size of 25 μm, and the mixing ratio of the two is 1:2.

[0064] The maximum fusion depth of the first physical fusion zone is 7 μm, the maximum fusion depth of the second physical fusion zone is 10 μm, and the maximum fusion depth of the third physical fusion zone is 10 μm.

Embodiment 3

[0066] In this embodiment, the structure of the wire mesh is the same as the wire mesh structure of the active composite material of the above-mentioned third structure. Specifically, the material of the first wire is nickel, the wire diameter is 60 μm, and the material of the second wire is titanium. The diameter of the wire is 120 μm, and the winding density is that the distance between two adjacent metal wires arranged in parallel is 6 mm.

[0067] The composite powder material is made by mixing two powder materials, wherein the first powder material 2 is titanium powder, and the second powder material 3 is nickel powder, both of which have a particle size of 30 μm, and the mixing ratio of the two is 1:1.

[0068] The maximum fusion depth of the first physical fusion zone is 10 μm, the maximum fusion depth of the second physical fusion zone is 8 μm, and the maximum fusion depth of the third physical fusion zone is 8 μm.

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Abstract

The invention relates to a composite material, in particular to an active composite material embedded with a silk screen structure. The active composite material consists of a metal silk screen and a composite powder material, wherein the metal silk screen is uniformly embedded in the composite powder material; the composite powder is formed by mixing at least two powder materials; a first physical fusing area is formed between the powder materials and the metal silk screen; a second physical fusing area is formed between the different powder materials; and a third physical fusing area is formed between the same powder materials. Through tight fusion of the metal silk screen and the composite powder, the compactness of the active composite material is improved, the powder is more liable to fuse and not liable to crush, and the machining difficulty is reduced.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to an active composite material embedded with a wire mesh structure. Background technique [0002] Composite material refers to a multiphase solid material composed of two or more materials with different chemical properties or organizational structures through physical or chemical methods, generally composed of matrix components and reinforcements or functional components. Metal matrix composites are generally composed of metal or alloy as the continuous phase and a second phase in the form of particles, whiskers or fibers. [0003] For metal composite materials made of two or more metal powders, due to their loose particle characteristics, it is difficult to press and form, and the prepared composite materials lack toughness and are fragile due to the lack of supporting mechanisms. Because the structure and physical properties of the powder composite material are the same in al...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/00
CPCC22C1/00
Inventor 崔岩姬爱民张志波孙新军冯运莉
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY