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Preparation method of quincuncial pile network distribution ceramic/metal composite material

A technology of metal composite materials and plum blossom piles is applied in the field of metal matrix composite materials, which can solve the problems of falling off of surface layer composite materials, and achieve the effects of improving overall performance, improving service life and reducing production costs.

Active Publication Date: 2015-06-03
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The composite method of the composite material effectively solves the problem of ceramic particle prefabrication, and can ensure that the ceramic particles are evenly distributed in the matrix metal; the composite areas are not connected to each other, and at the same time, it can play a macroscopic shadow effect to enhance the wear resistance. The wear of the matrix metal is prevented; each composite area is nailed into the metal collective like a plum blossom pile, and the failure of one of the composite areas does not affect the continued use of the workpiece, effectively solving the problem of shedding of the surface composite material

Method used

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  • Preparation method of quincuncial pile network distribution ceramic/metal composite material
  • Preparation method of quincuncial pile network distribution ceramic/metal composite material
  • Preparation method of quincuncial pile network distribution ceramic/metal composite material

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Experimental program
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Embodiment approach 1

[0019] Embodiment 1: if Figures 1 to 4 As shown, the preparation method of the plum-blossom pile network distribution ceramic / metal composite material of the present embodiment is: pressing out several cylindrical grooves (the distance between adjacent grooves is The ratio of the cross-sectional radius of the groove is 1:3, the height of the groove is 3.5:3), and the ceramic particle alumina with a particle size of 0.55-1 mm is filled in the low The shape of the ceramic / metal composite material is distributed in the groove of the carbon steel wire mesh, and the shape of the ceramic / metal composite material is distributed according to the prepared plum blossom network to prepare a sand casting mold; the low carbon steel wire mesh filled with ceramic particles is installed on the cavity of the sand casting mold. Then pour the smelted base metal high manganese steel into the sand casting mold. After the base metal is cooled, the ceramic / metal composite material is peeled off fro...

Embodiment approach 2

[0020] Embodiment 2: as Figures 2 to 4 As shown, the preparation method of the plum-blossom pile network distribution ceramic / metal composite material of the present embodiment is: pressing out several triangular grooves (the distance between the adjacent grooves and the concave grooves) on a low-carbon iron wire metal mesh with a mesh screen aperture of 0.4 mm. The ratio of the distance from the midpoint of the groove to the farthest edge from the midpoint is 1.8:3, and the ratio of the height of the groove to the distance from the midpoint of the groove to the farthest edge from the midpoint is 1:1), then The ceramic particles alumina with a particle size of 0.8 to 1 mm are filled in the grooves of the low-carbon iron wire mesh, and the shape of the ceramic / metal composite material is distributed according to the prepared plum blossom network to prepare a sand casting mold; the ceramic particles are filled The low carbon iron wire mesh is installed on the upper surface of t...

Embodiment approach 3

[0021] Embodiment three: as Figures 2 to 4 As shown, the preparation method of the plum-blossom pile network distribution ceramic / metal composite material in this embodiment is as follows: several square grooves (the distance between adjacent grooves and the grooves) are pressed out of a stainless steel wire metal mesh with a mesh aperture of 0.38 mm. The ratio of the distance from the midpoint to the edge of the cross section is 1.8:3, and the ratio of the height of the groove to the distance from the midpoint to the edge of the cross section of the groove is 2:3), and then the ceramic particles with a particle size of 0.9 ~ 1.70mm Alumina is filled in the grooves of the stainless steel wire mesh, and the shape of the ceramic / metal composite material is distributed according to the prepared plum blossom network to prepare a sand casting mold; the stainless steel wire mesh filled with ceramic particles is installed in the sand casting mold. Then pour the smelted base metal or...

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Abstract

The invention relates to a preparation method of a quincuncial pile network distribution ceramic / metal composite material, and belongs to the technical field of metal-based composite material. A plurality of grooves are formed in a metal mesh through pressing. Then, ceramic particles are filled in the grooves of the metal mesh, and a sand casting mould is prepared according to the shape of the quincuncial pile network distribution ceramic / metal composite material to be prepared. The metal mesh filled with the ceramic particles is arranged on the upper surface of the mould cavity of the sand casting mould. Then a smelt metal substrate is poured in the sand casting mould. After the metal substrate is cooled, the metal substrate is stripped from the sand casting mould, and then the product is obtained. The preparation method can be used for effectively solving the problem on manufacturing a prefabricated body of ceramic particles and ensuring the uniform distribution of the ceramic particles in the metal substrate. All recombination regions are not connected with one another, and also can play a role of macroscopical shadow effect so as to strengthen the abrasion resistance, so that the abrasion of the metal substrate can be avoided, and the falling problem of a surface composite material can be solved effectively.

Description

technical field [0001] The invention relates to a preparation method of a plum-blossom pile network distributed ceramic / metal composite material, and belongs to the technical field of metal matrix composite materials. Background technique [0002] With the development of modern industry, the quality requirements of mechanical products are getting higher and higher, and the service conditions are becoming more and more demanding. In many industrial sectors such as metallurgy, electric power, and building materials, there are a large number of high-temperature abrasive wear conditions. The commonly used materials under these conditions have high melting points and good wear and corrosion resistance. However, since there is no anti-wear hard phase in these materials, their hardness is low and wear resistance is poor, resulting in huge friction and wear losses. With the development of materials science and technology, many scholars at home and abroad have tried to use different...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C47/08C22C111/00
Inventor 蒋业华侯占东李祖来山泉
Owner KUNMING UNIV OF SCI & TECH
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