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Multifunctional ceramic composite material and preparation method thereof

A ceramic composite material and multi-functional technology, applied in the field of inorganic non-metallic materials, can solve the problems of not being able to make structural ceramics, and achieve the effects of low cost, good environmental coordination, and low sintering temperature

Inactive Publication Date: 2010-11-24
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this material cannot be used as structural ceramics

Method used

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  • Multifunctional ceramic composite material and preparation method thereof
  • Multifunctional ceramic composite material and preparation method thereof
  • Multifunctional ceramic composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The preparation process of the multifunctional ceramic composite material of the present invention:

[0026] Raw materials by weight percentage: SiC powder 25%, TiCN powder 25%, Si 3 N 4 Powder 5%, V 2 o 5 Powder 0.5%, BaO powder 1%, SiO 2 Powder 4%, TiO 2 Powder 2%, ZrO 2 Powder 1%, La 2 o 3 Powder 0.10%, the rest is Al 2 o 3 The particle size of each powder is 500-800 mesh; put the above powder into a ball mill, and then inject water, the water injection weight and the total weight ratio of each powder are 1:1; take out the ball mill after wet mixing for 12 hours, and dry it. The drying temperature is 160-210°C, and then the dried material is crushed in a ball mill to 270-500 mesh, put into a mold and apply a pressure of 50MPa, and keep the pressure for 5 minutes; then put it into an electric furnace for sintering, and first heat it to 550-600 ℃ for 0.5-1h, then increase the temperature to 1450-1550°C, keep for 2-4h, and then cool down with the furnace to ob...

Embodiment 2

[0028] Raw materials by weight percentage: SiC 35%, TiCN 35%, Si 3 N 4 10%, V 2 o 5 1.5%, BaO 2%, SiO 2 6%, TiO 2 5%, ZrO 2 3%, La 2 o 3 0.15%, the rest is Al 2 o 3 For batching, the ratio of water weight to the total weight of each powder is 1: 1.3, and the preparation process is the same as in Example 1.

Embodiment 3

[0030] Raw materials by weight percentage: SiC 30%, TiCN 30%, Si 3 N 48 %,V 2 o 5 0.9%, BaO 1.5%, SiO 2 5%, TiO 2 3%, ZrO 2 2%, La 2 o 3 0.12%, the rest is Al 2 o 3 Carry out batching, preparation process is with embodiment one.

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Abstract

The invention provides a multifunctional ceramic composite material and a preparation method thereof. The ceramic composite material has the advantages of excellent performance and high strength. The preparation method has the advantages of simple process, low production cost, low energy consumption and suitability for industrial production. The multifunctional ceramic composite material comprises the following components in weight percentage: 25%-35% of SiC, 25%-35% of TiCN, 5%-10% of Si3N4, 0.5%-1.5% of V2O5, 1%-2% of BaO, 4%-6% of SiO2, 2%-5% of TiO2, 1%-3% of ZrO2, 0.10%-0.15% of La2O3 and the balance of Al2O3.

Description

1. Technical field [0001] The invention belongs to the field of inorganic non-metallic materials, and relates to a wear-resistant and pressure-sensitive multifunctional ceramic composite material and a preparation method thereof. 2. Technical background [0002] At present, in the field of inorganic non-metallic materials, the multifunctional performance of ceramics has been paid attention to. [0003] CN200710016886.9 application relates to a SiC-BN-C composite material and its preparation method, which uses Si 3 N 4 , B 4 C and C are raw materials, and the weight percentages of each component are 6.4%-63.8%, 2.5%-24.9% and 11.9%-91.1% respectively. The preparation method is: take Si according to the above weight percentage 3 N 4 Powder, B 4 C powder and C powder are wet mixed by ball milling; the mixed material is dried immediately; the dried material is crushed and put into a graphite mold and pre-pressed; put into a hot-press furnace and hot-press in a vacuum or a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/58C04B35/622
Inventor 王玲赵浩峰何美琴
Owner NANJING UNIV OF INFORMATION SCI & TECH
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