High-strength and high-toughness ceramic material

A ceramic material and high toughness technology, applied in the field of high-strength and high-toughness ceramic materials, can solve the problems of low tensile strength, poor plasticity, poor toughness, etc., and achieve the effects of excellent high temperature resistance, excellent impact resistance and excellent toughness.

Inactive Publication Date: 2017-05-31
ANHUI RUIYAN NEW MATERIAL TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a high-strength and high-toughness ceramic material, which solves the technical problems of low tensile strength, poor plasticity, poor toughness, and brittleness of the ceramic material in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The high-strength and high-toughness ceramic material in this embodiment is made of the following raw materials in parts by weight: 20 parts of zircon, 25 parts of kaolin, 10 parts of fiber material, 3 parts of silicon carbide, 3 parts of titanium dioxide, 5 parts of composite admixture, nitriding 3 parts of aluminum, 5 parts of calcium carbonate, 6 parts of toughening agent, 4 parts of foam stabilizer, 6 parts of acetate, 6 parts of cosolvent.

[0021] Wherein the toughening agent is aluminum oxide; the acetate is ammonium acetate; the cosolvent is sodium carbonate, the foam stabilizer is sodium phosphate; the fiber material is carbon fiber.

Embodiment 2

[0023] The high-strength and high-toughness ceramic material in this embodiment is made of the following raw materials in parts by weight: 30 parts of zircon, 35 parts of kaolin, 15 parts of fiber material, 7 parts of silicon carbide, 6 parts of titanium dioxide, 8 parts of composite admixture, nitriding 7 parts of aluminum, 8 parts of calcium carbonate, 9 parts of toughening agent, 8 parts of foam stabilizer, 10 parts of acetate, 9 parts of cosolvent.

[0024] The toughening agent is titanium carbide; the acetate is a mixture of sodium acetate, potassium acetate and ammonium acetate; the cosolvent is sodium fluorosilicate, the foam stabilizer is iron oxide; the fiber material is carbon fiber.

Embodiment 3

[0026] The high-strength and high-toughness ceramic material in this embodiment is made of the following raw materials in parts by weight: 40 parts of zircon, 45 parts of kaolin, 20 parts of fiber material, 10 parts of silicon carbide, 9 parts of titanium dioxide, 10 parts of composite admixture, nitriding 10 parts of aluminum, 10 parts of calcium carbonate, 13 parts of toughening agent, 12 parts of foam stabilizer, 15 parts of acetate, 12 parts of cosolvent.

[0027] The toughening agent is aluminum oxide; the acetate is potassium acetate; the cosolvent is sodium carbonate; the foam stabilizer is a mixture of boric acid and iron oxide; the fiber material is slag fiber.

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Abstract

The invention provides a high-strength and high-toughness ceramic material, which is prepared from the following raw materials: zirconite, kaoline, a fibrous material, silicon carbide, titanium dioxide, a composite admixture, aluminum nitride, calcium carbonate, a toughening agent, a foam stabilizer, acetate and a cosolvent. The high-strength and high-toughness ceramic material provided by the invention has good bending strength, fracture toughness and impact resistance, and is excellent in thermal stability and corrosion resistance; the high-strength and high-toughness ceramic material also has excellent high temperature resistance and thermal shock resistance, so that alumina titanate ceramics can be used in practical applications; therefore, the high-strength and high-toughness ceramic material can be widely applied to industrial production.

Description

technical field [0001] The invention relates to the technical field of ceramic inorganic non-metallic materials, in particular to a high-strength and high-toughness ceramic material. Background technique [0002] Ceramic materials are a kind of inorganic non-metallic materials made of natural or synthetic compounds after forming and high-temperature sintering. They have high melting points and excellent chemical stability at high temperatures; their thermal conductivity is lower than that of metal materials, but still good. When the temperature changes, ceramics have good dimensional stability. Ceramic materials are not easy to oxidize at high temperatures, and have good corrosion resistance to acids, alkalis, and salts, and have high wear resistance and oxidation resistance. And other advantages, can be used as structural materials, tool materials. In terms of thermal and mechanical properties, ceramic materials have the advantages of high temperature resistance, heat in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/36C04B35/48C04B35/80C04B33/13C04B33/132
CPCC04B33/1305C04B33/131C04B33/132C04B33/36C04B35/481C04B35/80C04B2235/3201C04B2235/3208C04B2235/3217C04B2235/3232C04B2235/3248C04B2235/3272C04B2235/3409C04B2235/3427C04B2235/3826C04B2235/3843C04B2235/3865C04B2235/447C04B2235/449C04B2235/5248C04B2235/96C04B2235/9607Y02P40/60
Inventor 王举孙益民芮定文
Owner ANHUI RUIYAN NEW MATERIAL TECH RES INST
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