CN106431408A - High-toughness ceramic material based on nano kieselguhr and preparation method of high-toughness ceramic material - Google Patents

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

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CN106431408A
CN106431408A CN201610776504.1A CN201610776504A CN106431408A CN 106431408 A CN106431408 A CN 106431408A CN 201610776504 A CN201610776504 A CN 201610776504A CN 106431408 A CN106431408 A CN 106431408A
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谢秋敏
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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

A kind of high-ductility ceramic material based on nano diatomite and preparation method thereof
Technical field
The invention belongs to Material Field is and in particular to a kind of high-ductility ceramic material based on nano diatomite and its preparation side Method.
Background technology
Ceramic material is the class inorganic non-metallic material with naturally occurring or synthetic compound through shaping and high temperature sintering is made Material.It has the advantages that high-melting-point, high rigidity, high-wearing feature, resistance to oxidation.Can be used as structural material, cutter material, due to pottery Also there are some special performances, but also as functional material.
The toughness of existing ceramic material has much room for improvement.
Content of the invention
It is an object of the invention to provide a kind of high-ductility ceramic material based on nano diatomite and preparation method thereof.
The above-mentioned purpose of the present invention is achieved by techniques below scheme：
A kind of high-ductility ceramic material based on nano diatomite, is prepared from by the raw material of following weight portion：Nano-sized carbon Change titanium, 35-45 part；Nano titanium nitride, 30-40 part；Nanometer silicon carbide, 25-35 part；Montmorillonite powder, 5-15 part；Modified Nano silicon Diatomaceous earth, 5-15 part；Deionized water, 8-12 part；Polyethylene Glycol, 6-10 part；Silane coupler KH560,3-5 part；Acrylamide, 2- 4 parts；The diatomaceous preparation method of described modified Nano is：It is 20- that the nano diatomite of 60-80 weight portion is put into mass fraction After 30% triethylamine solution soaks 3-5 hour, take out and rinse to neutrality, 50-60 DEG C dries to water content is 3-5%；Add 4-6 Part triethanolamine mix homogeneously, adds 3-5 part dimercaptopropanol, BAL, 1-3 part Nano graphite powder, mixed grinding, crosses 200 mesh sieves and is ?.
Preferably, the diatomaceous preparation method of described modified Nano is：The nano diatomite of 70 weight portions is put into quality Fraction is after 25% triethylamine solution soaks 4 hours, and taking-up flushing is extremely neutral, and 55 DEG C dry to water content is 4%；Add 5 parts Triethanolamine mix homogeneously, adds 4 parts of dimercaptopropanol, BAL, 2 parts of Nano graphite powders, mixed grinding, crosses 200 mesh sieves and obtains final product.
Preferably, described high-ductility ceramic material is made by following raw material：Nano titanium carbide, 40 parts；Nanometer Titanium nitride, 35 parts；Nanometer silicon carbide, 30 parts；Montmorillonite powder, 10 parts；Modified Nano kieselguhr, 10 parts；Deionized water, 10 parts； Polyethylene Glycol, 8 parts；Silane coupler KH560,4 parts；Acrylamide, 3 parts.
Preferably, described high-ductility ceramic material is made by following raw material：Nano titanium carbide, 35 parts；Nanometer Titanium nitride, 30 parts；Nanometer silicon carbide, 25 parts；Montmorillonite powder, 5 parts；Modified Nano kieselguhr, 5 parts；Deionized water, 8 parts；Poly- second Glycol, 6 parts；Silane coupler KH560,3 parts；Acrylamide, 2 parts.
Preferably, described high-ductility ceramic material is made by following raw material：Nano titanium carbide, 45 parts；Nanometer Titanium nitride, 40 parts；Nanometer silicon carbide, 35 parts；Montmorillonite powder, 15 parts；Modified Nano kieselguhr, 15 parts；Deionized water, 12 parts； Polyethylene Glycol, 10 parts；Silane coupler KH560,5 parts；Acrylamide, 4 parts.
The preparation method of above-mentioned high-ductility ceramic material, comprises the steps：
Step S1, nano titanium carbide, Nano titanium nitride, nanometer silicon carbide, montmorillonite powder and modified Nano kieselguhr are mixed Cross 200-300 mesh sieve, 850-950 DEG C of calcining 0.5-1.5 hour after closing ball milling, obtain hybrid particles；
Step S2, is milled to mix homogeneously, 120-140 DEG C of baking in step S1 gained hybrid particles after adding leftover materials Dry；
Step S3, hot pressing at 1650-1750 DEG C, hot pressing pressure is 25-35MPa, and hot pressing time is 50-60 minute.
Advantages of the present invention：
Ceramic material hardness, intensity and toughness that the present invention provides are high, and preparation method is simple.
Specific embodiment
Further illustrate the essentiality content of the present invention with reference to embodiment, but present invention protection model is not limited with this Enclose.Although being explained in detail to the present invention with reference to preferred embodiment, it will be understood by those within the art that, can be right Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1：The preparation of high-ductility ceramic material
Parts by weight of raw materials ratio：Nano titanium carbide, 40 parts；Nano titanium nitride, 35 parts；Nanometer silicon carbide, 30 parts；Montmorillonite Powder, 10 parts；Modified Nano kieselguhr, 10 parts；Deionized water, 10 parts；Polyethylene Glycol, 8 parts；Silane coupler KH560,4 parts；Third Acrylamide, 3 parts.
Wherein, the diatomaceous preparation method of described modified Nano is：The nano diatomite of 70 weight portions is put into quality divide Number is after 25% triethylamine solution soaks 4 hours, takes out and rinses to neutrality, and 55 DEG C dry to water content is 4%；Add 5 part three Ethanolamine mix homogeneously, adds 4 parts of dimercaptopropanol, BAL, 2 parts of Nano graphite powders, mixed grinding, crosses 200 mesh sieves and obtains final product.
The preparation method of ceramic material：
Step S1, nano titanium carbide, Nano titanium nitride, nanometer silicon carbide, montmorillonite powder and modified Nano kieselguhr are mixed Cross 250 mesh sieves after closing ball milling, calcine 1 hour for 900 DEG C, obtain hybrid particles；
Step S2, is milled to mix homogeneously after adding leftover materials in step S1 gained hybrid particles, 130 DEG C of drying；
Step S3, hot pressing at 1700 DEG C, hot pressing pressure is 30MPa, and hot pressing time is 55 minutes.
Embodiment 2：The preparation of high-ductility ceramic material
Parts by weight of raw materials ratio：Nano titanium carbide, 35 parts；Nano titanium nitride, 30 parts；Nanometer silicon carbide, 25 parts；Montmorillonite Powder, 5 parts；Modified Nano kieselguhr, 5 parts；Deionized water, 8 parts；Polyethylene Glycol, 6 parts；Silane coupler KH560,3 parts；Propylene Amide, 2 parts.
Wherein, the diatomaceous preparation method of described modified Nano is：The nano diatomite of 70 weight portions is put into quality divide Number is after 25% triethylamine solution soaks 4 hours, takes out and rinses to neutrality, and 55 DEG C dry to water content is 4%；Add 5 part three Ethanolamine mix homogeneously, adds 4 parts of dimercaptopropanol, BAL, 2 parts of Nano graphite powders, mixed grinding, crosses 200 mesh sieves and obtains final product.
The preparation method of ceramic material：
Step S1, nano titanium carbide, Nano titanium nitride, nanometer silicon carbide, montmorillonite powder and modified Nano kieselguhr are mixed Cross 250 mesh sieves after closing ball milling, calcine 1 hour for 900 DEG C, obtain hybrid particles；
Step S2, is milled to mix homogeneously after adding leftover materials in step S1 gained hybrid particles, 130 DEG C of drying；
Step S3, hot pressing at 1700 DEG C, hot pressing pressure is 30MPa, and hot pressing time is 55 minutes.
Embodiment 3：The preparation of high-ductility ceramic material
Parts by weight of raw materials ratio：Nano titanium carbide, 45 parts；Nano titanium nitride, 40 parts；Nanometer silicon carbide, 35 parts；Montmorillonite Powder, 15 parts；Modified Nano kieselguhr, 15 parts；Deionized water, 12 parts；Polyethylene Glycol, 10 parts；Silane coupler KH560,5 parts； Acrylamide, 4 parts.
Wherein, the diatomaceous preparation method of described modified Nano is：The nano diatomite of 70 weight portions is put into quality divide Number is after 25% triethylamine solution soaks 4 hours, takes out and rinses to neutrality, and 55 DEG C dry to water content is 4%；Add 5 part three Ethanolamine mix homogeneously, adds 4 parts of dimercaptopropanol, BAL, 2 parts of Nano graphite powders, mixed grinding, crosses 200 mesh sieves and obtains final product.
The preparation method of ceramic material：
Step S1, nano titanium carbide, Nano titanium nitride, nanometer silicon carbide, montmorillonite powder and modified Nano kieselguhr are mixed Cross 250 mesh sieves after closing ball milling, calcine 1 hour for 900 DEG C, obtain hybrid particles；
Step S2, is milled to mix homogeneously after adding leftover materials in step S1 gained hybrid particles, 130 DEG C of drying；
Step S3, hot pressing at 1700 DEG C, hot pressing pressure is 30MPa, and hot pressing time is 55 minutes.
Embodiment 4：The preparation of high-ductility ceramic material
Parts by weight of raw materials ratio：Nano titanium carbide, 40 parts；Nano titanium nitride, 35 parts；Nanometer silicon carbide, 30 parts；Montmorillonite Powder, 10 parts；Modified Nano kieselguhr, 8 parts；Deionized water, 10 parts；Polyethylene Glycol, 8 parts；Silane coupler KH560,4 parts；Third Acrylamide, 3 parts.
Wherein, the diatomaceous preparation method of described modified Nano is：The nano diatomite of 70 weight portions is put into quality divide Number is after 25% triethylamine solution soaks 4 hours, takes out and rinses to neutrality, and 55 DEG C dry to water content is 4%；Add 5 part three Ethanolamine mix homogeneously, adds 4 parts of dimercaptopropanol, BAL, 2 parts of Nano graphite powders, mixed grinding, crosses 200 mesh sieves and obtains final product.
The preparation method of ceramic material：
Step S1, nano titanium carbide, Nano titanium nitride, nanometer silicon carbide, montmorillonite powder and modified Nano kieselguhr are mixed Cross 250 mesh sieves after closing ball milling, calcine 1 hour for 900 DEG C, obtain hybrid particles；
Step S2, is milled to mix homogeneously after adding leftover materials in step S1 gained hybrid particles, 130 DEG C of drying；
Step S3, hot pressing at 1700 DEG C, hot pressing pressure is 30MPa, and hot pressing time is 55 minutes.
Embodiment 5：The preparation of high-ductility ceramic material
Parts by weight of raw materials ratio：Nano titanium carbide, 40 parts；Nano titanium nitride, 35 parts；Nanometer silicon carbide, 30 parts；Montmorillonite Powder, 10 parts；Modified Nano kieselguhr, 12 parts；Deionized water, 10 parts；Polyethylene Glycol, 8 parts；Silane coupler KH560,4 parts；Third Acrylamide, 3 parts.
Wherein, the diatomaceous preparation method of described modified Nano is：The nano diatomite of 70 weight portions is put into quality divide Number is after 25% triethylamine solution soaks 4 hours, takes out and rinses to neutrality, and 55 DEG C dry to water content is 4%；Add 5 part three Ethanolamine mix homogeneously, adds 4 parts of dimercaptopropanol, BAL, 2 parts of Nano graphite powders, mixed grinding, crosses 200 mesh sieves and obtains final product.
The preparation method of ceramic material：
Step S1, nano titanium carbide, Nano titanium nitride, nanometer silicon carbide, montmorillonite powder and modified Nano kieselguhr are mixed Cross 250 mesh sieves after closing ball milling, calcine 1 hour for 900 DEG C, obtain hybrid particles；
Step S2, is milled to mix homogeneously after adding leftover materials in step S1 gained hybrid particles, 130 DEG C of drying；
Step S3, hot pressing at 1700 DEG C, hot pressing pressure is 30MPa, and hot pressing time is 55 minutes.
Embodiment 6：Comparative example, nano diatomite is not modified
Parts by weight of raw materials ratio：Nano titanium carbide, 40 parts；Nano titanium nitride, 35 parts；Nanometer silicon carbide, 30 parts；Montmorillonite Powder, 10 parts；Nano diatomite, 10 parts；Deionized water, 10 parts；Polyethylene Glycol, 8 parts；Silane coupler KH560,4 parts；Acryloyl Amine, 3 parts.
The preparation method of ceramic material：
Step S1, by nano titanium carbide, Nano titanium nitride, nanometer silicon carbide, montmorillonite powder and nano diatomite mixing ball Cross 250 mesh sieves after mill, calcine 1 hour for 900 DEG C, obtain hybrid particles；
Step S2, is milled to mix homogeneously after adding leftover materials in step S1 gained hybrid particles, 130 DEG C of drying；
Step S3, hot pressing at 1700 DEG C, hot pressing pressure is 30MPa, and hot pressing time is 55 minutes.
Embodiment 7：Effect example
The hardness of ceramic material of testing example 1-6 preparation, intensity and toughness respectively, result see table：
Vickers hardness (GPa) Bending strength (MPa) Fracture toughness (MPa m1/2)
Embodiment 1 122 1280 19
Embodiment 6 115 1210 8
Embodiment 2-5 is basically identical with embodiment 1, no longer enumerates one by one.
Result shows, composite hardness, intensity and toughness that the present invention provides are high, and preparation method is simple.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit the protection of the present invention with this Scope.It will be understood by those within the art that, technical scheme can be modified or equivalent, Essence without deviating from technical solution of the present invention and protection domain.

Claims (6)

1. a kind of high-ductility ceramic material based on nano diatomite it is characterised in that prepared by the raw material of following weight portion and Become：Nano titanium carbide, 35-45 part；Nano titanium nitride, 30-40 part；Nanometer silicon carbide, 25-35 part；Montmorillonite powder, 5-15 part； Modified Nano kieselguhr, 5-15 part；Deionized water, 8-12 part；Polyethylene Glycol, 6-10 part；Silane coupler KH560,3-5 part； Acrylamide, 2-4 part；The diatomaceous preparation method of described modified Nano is：The nano diatomite of 60-80 weight portion is put into matter Amount fraction soaks after 3-5 hour for 20-30% triethylamine solution, and taking-up flushing is extremely neutral, and 50-60 DEG C dries to water content is 3- 5%；Add 4-6 part triethanolamine mix homogeneously, add 3-5 part dimercaptopropanol, BAL, 1-3 part Nano graphite powder, mixed grinding, Cross 200 mesh sieves to obtain final product.
2. high-ductility ceramic material according to claim 1 is it is characterised in that the diatomaceous preparation method of described modified Nano For：It is, after 25% triethylamine solution soaks 4 hours, to take out in rinsing extremely that the nano diatomite of 70 weight portions is put into mass fraction Property, 55 DEG C dry to water content is 4%；Add 5 parts of triethanolamine mix homogeneously, add 4 parts of dimercaptopropanol, BAL, 2 parts of nanometers Graphite powder, mixed grinding, cross 200 mesh sieves and obtain final product.
3. high-ductility ceramic material according to claim 1 is it is characterised in that made by following raw material：Nanometer Titanium carbide, 40 parts；Nano titanium nitride, 35 parts；Nanometer silicon carbide, 30 parts；Montmorillonite powder, 10 parts；Modified Nano kieselguhr, 10 Part；Deionized water, 10 parts；Polyethylene Glycol, 8 parts；Silane coupler KH560,4 parts；Acrylamide, 3 parts.
4. high-ductility ceramic material according to claim 1 is it is characterised in that made by following raw material：Nanometer Titanium carbide, 35 parts；Nano titanium nitride, 30 parts；Nanometer silicon carbide, 25 parts；Montmorillonite powder, 5 parts；Modified Nano kieselguhr, 5 parts； Deionized water, 8 parts；Polyethylene Glycol, 6 parts；Silane coupler KH560,3 parts；Acrylamide, 2 parts.
5. high-ductility ceramic material according to claim 1 is it is characterised in that made by following raw material：Nanometer Titanium carbide, 45 parts；Nano titanium nitride, 40 parts；Nanometer silicon carbide, 35 parts；Montmorillonite powder, 15 parts；Modified Nano kieselguhr, 15 Part；Deionized water, 12 parts；Polyethylene Glycol, 10 parts；Silane coupler KH560,5 parts；Acrylamide, 4 parts.
6. the preparation method of the arbitrary described high-ductility ceramic material of claim 1-5 is it is characterised in that comprise the steps：
Step S1, by nano titanium carbide, Nano titanium nitride, nanometer silicon carbide, montmorillonite powder and modified Nano kieselguhr mixing ball Cross 200-300 mesh sieve, 850-950 DEG C of calcining 0.5-1.5 hour after mill, obtain hybrid particles；
Step S2, is milled to mix homogeneously, 120-140 DEG C of drying in step S1 gained hybrid particles after adding leftover materials；
Step S3, hot pressing at 1650-1750 DEG C, hot pressing pressure is 25-35MPa, and hot pressing time is 50-60 minute.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108178621A (en) * 2018-01-26 2018-06-19 广西超盛网络科技有限责任公司 A kind of high temperature ceramic material and preparation method thereof
CN117209247A (en) * 2023-08-04 2023-12-12 常州市柚米家居用品有限公司 Lithium-free heat-resistant ceramic and preparation method thereof

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CN102167545A (en) * 2010-12-31 2011-08-31 彭麒桦 Low-temperature smokeless flame-retardant pavement material for tunnel and preparation method thereof
CN105130402A (en) * 2015-06-30 2015-12-09 成都新柯力化工科技有限公司 Nanometer ceramic material used for 3D printing and 3D printing molding method thereof

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CN101885595A (en) * 2009-05-14 2010-11-17 郑州恒昊玻璃技术有限公司 Glass gluing material for architectural decoration
CN102030942A (en) * 2010-12-17 2011-04-27 深圳市天坤元环保科技有限公司 Cold-resistant and high temperature-resistant composite material and preparation method thereof
CN102167545A (en) * 2010-12-31 2011-08-31 彭麒桦 Low-temperature smokeless flame-retardant pavement material for tunnel and preparation method thereof
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CN117209247A (en) * 2023-08-04 2023-12-12 常州市柚米家居用品有限公司 Lithium-free heat-resistant ceramic and preparation method thereof

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