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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 the overall performance, simplifying the production process and reducing the production cost.

Active Publication Date: 2013-10-09
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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Embodiment approach 1

[0019] Implementation mode one: 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 as follows: several cylindrical grooves (the distance between adjacent grooves and The cross-sectional radius ratio of the groove is 1:3, the height of the groove and the cross-sectional radius of the groove are 3.5:3), and then ceramic particles with a particle size of 0.55 to 1 mm are filled in the low In the groove of the carbon steel wire mesh, and distribute the shape of the ceramic / metal composite material according to the prepared plum blossom network according to the need, prepare the sand casting mold; install the low carbon steel wire mesh filled with ceramic particles 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 that is stripped from t...

Embodiment approach 2

[0020] Implementation mode two: if 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 triangular grooves are pressed out on a low-carbon iron wire metal mesh with a mesh aperture of 0.4 mm (the distance between adjacent grooves is the same as that of the grooves). The ratio of the distance from the midpoint of the cross-section of the groove to the edge furthest from the midpoint is 1.8:3, the height of the groove to the distance from the midpoint of the cross-section of the groove to the furthest edge from the midpoint is 1:1), and then Fill ceramic particle alumina with a particle size of 0.8 ~ 1mm in the groove of the low-carbon wire mesh, and prepare a sand casting mold according to the shape of the plum blossom network distribution ceramic / metal composite material prepared according to the needs; the ceramic particles will be filled The low-carbon wire me...

Embodiment approach 3

[0021] Implementation mode three: if 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 as follows: several square grooves are pressed out on a stainless steel wire mesh with a mesh aperture of 0.38 mm (the distance between adjacent grooves is the same as that of the grooves). The distance ratio from the midpoint to the edge of the cross-section of the groove is 1.8:3, and the distance ratio between the height of the groove and 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 groove 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 the sand casting mold; the stainless steel wire mesh filled with ceramic particles is installed in the sand ...

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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 method for preparing a plum blossom pile network distribution ceramic / metal composite material, belonging 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 stringent. In many industrial sectors such as metallurgy, electric power, and building materials, there are a large number of high-temperature abrasive wear conditions. The materials commonly used in these conditions have high melting points and good wear and corrosion resistance. However, due to the absence of anti-wear hard phases in these materials, their hardness is low and their wear resistance is poor, resulting in huge friction and wear losses. With the development of material science and technology, many scholars at home and abroad have tried to use diff...

Claims

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Application Information

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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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