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High-toughness ceramic material based on nano kieselguhr and preparation method of high-toughness ceramic material

A technology of nano-diatomite and ceramic materials, applied in the field of materials, can solve problems such as toughness to be improved, and achieve the effects of simple preparation method, high strength and toughness

Inactive Publication Date: 2017-02-22
谢秋敏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The toughness of existing ceramic materials needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: the preparation of high toughness ceramic material

[0019] Raw material weight ratio: nano-titanium carbide, 40 parts; nano-titanium nitride, 35 parts; nano-silicon carbide, 30 parts; montmorillonite powder, 10 parts; modified nano-diatomite, 10 parts; deionized water, 10 parts ; Polyethylene glycol, 8 parts; Silane coupling agent KH560, 4 parts; Acrylamide, 3 parts.

[0020] Wherein, the preparation method of the modified nano-diatomite is as follows: put 70 parts by weight of nano-diatomite into a 25% triethylamine solution and soak it for 4 hours, take it out and wash it to neutral, and dry it at 55°C until the water content is 4%; add 5 parts of triethanolamine and mix evenly, then add 4 parts of dimercaptopropanol and 2 parts of nano-graphite powder, mix and grind, and pass through a 200-mesh sieve to obtain.

[0021] Preparation method of ceramic material:

[0022] Step S1, mixing nano-titanium carbide, nano-titanium nitride, nano-silicon carbide,...

Embodiment 2

[0025] Embodiment 2: the preparation of high toughness ceramic material

[0026] Raw material weight ratio: nano-titanium carbide, 35 parts; nano-titanium nitride, 30 parts; nano-silicon carbide, 25 parts; montmorillonite powder, 5 parts; modified nano-diatomite, 5 parts; deionized water, 8 parts ; Polyethylene glycol, 6 parts; Silane coupling agent KH560, 3 parts; Acrylamide, 2 parts.

[0027] Wherein, the preparation method of the modified nano-diatomite is as follows: put 70 parts by weight of nano-diatomite into a 25% triethylamine solution and soak it for 4 hours, take it out and wash it to neutral, and dry it at 55°C until the water content is 4%; add 5 parts of triethanolamine and mix evenly, then add 4 parts of dimercaptopropanol and 2 parts of nano-graphite powder, mix and grind, and pass through a 200-mesh sieve to obtain.

[0028] Preparation method of ceramic material:

[0029] Step S1, mixing nano-titanium carbide, nano-titanium nitride, nano-silicon carbide, mo...

Embodiment 3

[0032] Embodiment 3: the preparation of high toughness ceramic material

[0033] Raw material weight ratio: nano-titanium carbide, 45 parts; nano-titanium nitride, 40 parts; nano-silicon carbide, 35 parts; montmorillonite powder, 15 parts; modified nano-diatomite, 15 parts; deionized water, 12 parts ; Polyethylene glycol, 10 parts; Silane coupling agent KH560, 5 parts; Acrylamide, 4 parts.

[0034] Wherein, the preparation method of the modified nano-diatomite is as follows: put 70 parts by weight of nano-diatomite into a 25% triethylamine solution and soak it for 4 hours, take it out and wash it to neutral, and dry it at 55°C until the water content is 4%; add 5 parts of triethanolamine and mix evenly, then add 4 parts of dimercaptopropanol and 2 parts of nano-graphite powder, mix and grind, and pass through a 200-mesh sieve to obtain.

[0035] Preparation method of ceramic material:

[0036] Step S1, mixing nano-titanium carbide, nano-titanium nitride, nano-silicon carbide...

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Abstract

The invention discloses a high-toughness ceramic material based on nano kieselguhr and a preparation method of the high-toughness ceramic material. The high-toughness ceramic material is prepared from, by weight, 35-45 parts of nano titanium carbide, 30-40 parts of nano titanium nitride, 25-35 parts of nano silicon carbide, 5-15 parts of montmorillonite powder, 5-15 parts of modified nano kieselguhr, 8-12 parts of deionized water, 6-10 parts of polyethylene glycol, 3-5 parts of silane coupling agent KH560 and 2-4 parts of acrylamide. A method for preparing the modified nano kieselguhr comprises the steps that after 60-80 parts by weight of nano kieselguhr is placed in a 20%-30% by mass of triethylamine solution to be soaked for 3-5 hours, the nano kieselguhr is taken out to be washed to be neutral and is dried at the temperature of 50 DEG C to 60 DEG C till the water content ranges from 3% to 5%; 4-6 parts of triethanolamine is added, the materials are mixed to be uniform, then 3-5 parts of dimercaprol dimercaptopropanol and 1-3 parts of nano graphite powder are added, mixing and grinding are carried out, the materials pass through a 200-mesh screen, and the modified nano kieselguhr is obtained. The ceramic material is high in hardness, strength and toughness, and the preparation method is simple.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a high-toughness ceramic material based on nano diatomite and a preparation method thereof. Background technique [0002] Ceramic materials are a class of inorganic non-metallic materials made of natural or synthetic compounds through shaping and high-temperature sintering. It has the advantages of high melting point, high hardness, high wear resistance and oxidation resistance. It can be used as structural material, tool material, and because ceramics also have some special properties, they can also be used as functional materials. [0003] The toughness of existing ceramic materials needs to be improved. Contents of the invention [0004] The object of the present invention is to provide a high-toughness ceramic material based on nano diatomite and a preparation method thereof. [0005] Above-mentioned purpose of the present invention is achieved by following technical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/56C04B35/626C04B35/645
CPCC04B35/5611C04B35/62645C04B35/645C04B2235/3427C04B2235/349C04B2235/3826C04B2235/3886C04B2235/483
Inventor 谢秋敏
Owner 谢秋敏
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