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High-toughness ceramic nozzle material and preparation method thereof

A ceramic nozzle and high toughness technology, which is applied in the field of high toughness ceramic nozzle materials and its preparation, can solve the problems of insufficient toughness and short service life, and achieve the effects of improving deformation resistance, high density and increasing corrosion resistance

Active Publication Date: 2016-10-12
扬州北方三山工业陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing ceramic nozzle materials generally have the defects of insufficient toughness and short service life, and it is difficult to meet the market's increasing demand for nozzle performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A high-toughness ceramic nozzle material, consisting of the following raw materials in parts by weight: 70 parts of silicon nitride, 26 parts of boron nitride, 13 parts of nano-silicon carbide, 10 parts of magnesium fluoride, 18 parts of chromium carbide, and 15 parts of aluminum oxide , 13 parts of titanium diboride, 5 parts of kaolin, 3 parts of halloysite, 1 part of light calcium carbonate, 9 parts of magnesium oxide, 1 part of water glass, 5.3 parts of n-butyl acetate, 3.5 parts of carboxymethyl cellulose, 0.8 parts of lead naphthenate.

[0025] The preparation method of the high-toughness ceramic nozzle material described in this embodiment, the steps are as follows:

[0026] 1) Weigh magnesium fluoride, chromium carbide and kaolin, put them into a dry ball mill, and ball mill and mix for 2 hours to obtain the first mixed powder;

[0027] 2) Put the first mixed powder into a calciner, calcinate at 960°C for 1 hour, and quench in water to obtain a calcined material...

Embodiment 2

[0037] A high-toughness ceramic nozzle material, consisting of the following raw materials in parts by weight: 72 parts of silicon nitride, 32 parts of boron nitride, 15 parts of nano-silicon carbide, 14 parts of magnesium fluoride, 18 parts of chromium carbide, and 16 parts of aluminum oxide , 14 parts of titanium diboride, 8 parts of kaolin, 3 parts of halloysite, 2 parts of light calcium carbonate, 13 parts of magnesium oxide, 1 part of water glass, 5.5 parts of n-butyl acetate, 4.8 parts of carboxymethyl cellulose, 0.8 parts of lead naphthenate.

[0038] The preparation method of the high-toughness ceramic nozzle material described in this embodiment, the steps are as follows:

[0039] 1) Weigh magnesium fluoride, chromium carbide and kaolin, put them into a dry-process ball mill, and ball mill and mix for 3 hours to obtain the first mixed powder;

[0040] 2) Put the first mixed powder into a calciner, calcinate at 970°C for 2 hours, and quench in water to obtain a calcin...

Embodiment 3

[0050] A high-toughness ceramic nozzle material, which consists of the following raw materials in parts by weight: 72.5 parts of silicon nitride, 29 parts of boron nitride, 15 parts of nano-silicon carbide, 12 parts of magnesium fluoride, 20 parts of chromium carbide, and 17 parts of aluminum oxide , 15 parts of titanium diboride, 6.4 parts of kaolin, 4.7 parts of halloysite, 3 parts of light calcium carbonate, 11 parts of magnesium oxide, 1.8 parts of water glass, 5.7 parts of n-butyl acetate, 4.2 parts of carboxymethyl cellulose, 1.1 parts of lead naphthenate.

[0051] The preparation method of the high-toughness ceramic nozzle material described in this embodiment, the steps are as follows:

[0052] 1) Weigh magnesium fluoride, chromium carbide and kaolin, put them into a dry-process ball mill, and ball mill and mix for 2.5 hours to obtain the first mixed powder;

[0053] 2) Put the first mixed powder into the calciner, calcinate at 980°C for 1.5h, and quench in water to o...

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PUM

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Abstract

The invention discloses a high-toughness ceramic nozzle material which is composed of, by weight parts, 70-75 parts of silicon nitride, 26-32 parts of boron nitride, 13-17 parts of nano silicon carbide, 10-14 parts of magnesium fluoride, 18-22 parts of chromium carbide, 15-19 parts of aluminum oxide, 13-17 parts of titanium diboride, 5-8 parts of kaolin, 3-6 parts of halloysite, 1-5 parts of light calcium carbonate, 9-13 parts of magnesium oxide, 1-3 parts of water glass, 5.3-6.0 parts of butyl acetate, 3.5-4.8 parts of carboxymethyl cellulose and 0.8-1.6 parts of lead naphthenate. The invention further discloses a method for preparing the high-toughness ceramic nozzle material. A prepared ceramic nozzle is high in intensity and good in toughness, the deformation resistance of the ceramic nozzle can be greatly improved, the density is high, the washing resistance of the nozzle is improved, and the service life of the nozzle is prolonged.

Description

technical field [0001] The invention relates to the technical field of ceramic nozzles, in particular to a high-toughness ceramic nozzle material and a preparation method thereof. Background technique [0002] Amorphous magnetic ring is a magnetic element processed by amorphous material. According to the material of the amorphous strip used, it can be divided into iron-based amorphous, cobalt-based amorphous and so on. According to the shape of the material, it can be divided into strip type magnetic ring and powder type magnetic ring. The characteristic saturation magnetic density of the amorphous magnetic ring is much higher than that of ordinary ferrite and powder magnetic cores. Amorphous magnetic ring, or metallic glass, is a new type of material that came out in the 1970s. It is formed by using rapid cooling technology to form molten steel into a thin strip with a thickness of 30 microns, and then wind the thin strip. [0003] In the process of amorphous magnetic ri...

Claims

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Application Information

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IPC IPC(8): C04B35/584C04B35/622B22D11/06
CPCB22D11/0642C04B35/593C04B2235/3201C04B2235/3206C04B2235/3208C04B2235/3217C04B2235/3427C04B2235/349C04B2235/3813C04B2235/3826C04B2235/3839C04B2235/386C04B2235/656C04B2235/658C04B2235/77C04B2235/96
Inventor 王维娜
Owner 扬州北方三山工业陶瓷有限公司
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