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Ceramic preparation method, ceramic and basalt wire-drawing bushing

A technology of ceramic preparation and basalt, which is applied in the field of material manufacturing, can solve the problems of high production cost, failure to meet the high requirements of high temperature resistance, electrical conductivity and strength, etc., and achieve the effect of reducing production cost, high strength and uniform texture

Active Publication Date: 2016-11-23
SICHUAN AEROSPACE TUOXIN BASALT IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the production cost of this wire drawing slat is extremely high
At the same time, the ceramic bushing made by the existing technology cannot meet the extremely high requirements of the bottom plate of the drawing bushing on high temperature resistance, electrical conductivity and strength.

Method used

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  • Ceramic preparation method, ceramic and basalt wire-drawing bushing
  • Ceramic preparation method, ceramic and basalt wire-drawing bushing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] S1), respectively prepare the powders of lanthanum chromate, graphene and additives.

[0044] In this step, first select high-purity various raw materials, including lanthanum chromate, graphene and additives, requiring the purity of various raw materials to be ≥ 98%, preferably 99.80-99.99%, in order to strictly control the composition ratio;

[0045] Then, various components of lanthanum chromate, graphene and additives are put into a ball mill for continuous pulverization to make superfine powder. Preferably, the ultrafine powder has a particle diameter of 5-25 μm, more preferably 1-3 μm, which can make the texture of the prepared ceramic more uniform.

[0046] S2), making the powder of the prepared lanthanum chromate and additives into a ceramic green body plate.

[0047] refer to figure 2 , in this step, the following specific steps are included:

[0048] a), dope the powder of lanthanum chromate and additive powder prepared in step S1) according to the parts b...

Embodiment 2

[0057] S1), respectively prepare the powders of lanthanum chromate, graphene and additives.

[0058] In this step, first select high-purity various raw materials, including lanthanum chromate, graphene and additives, requiring the purity of various raw materials to be ≥ 98%, preferably 99.80-99.99%, in order to strictly control the composition ratio;

[0059]Then, various components of lanthanum chromate, graphene and additives are put into a ball mill for continuous pulverization to make superfine powder. Preferably, the ultrafine powder has a particle diameter of 5-25 μm, more preferably 1-3 μm, which can make the texture of the prepared ceramic more uniform.

[0060] S2), making the powder of the prepared lanthanum chromate and additives into a ceramic green body plate.

[0061] refer to figure 2 , in this step, the following specific steps are included:

[0062] a), the lanthanum chromate prepared in step S1) and the powder of the additive are doped and mixed uniformly...

Embodiment 3

[0071] S1), respectively prepare the powders of lanthanum chromate, graphene and additives.

[0072] In this step, first select high-purity various raw materials, including lanthanum chromate, graphene and additives, requiring the purity of various raw materials to be ≥ 98%, preferably 99.80-99.99%, in order to strictly control the composition ratio;

[0073] Then, various components of lanthanum chromate, graphene and additives are put into a ball mill for continuous pulverization to make superfine powder. Preferably, the ultrafine powder has a particle diameter of 5-25 μm, more preferably 1-3 μm, which can make the texture of the prepared ceramic more uniform.

[0074] S2), making the powder of the prepared lanthanum chromate and additives into a ceramic green body plate.

[0075] refer to figure 2 , in this step, the following specific steps are included:

[0076] a), dope the powder of lanthanum chromate and additive powder prepared in step S1) according to the parts b...

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Abstract

The invention relates to a ceramic preparation method, a ceramic and a basalt wire-drawing bushing. The ceramic preparation method includes the steps: respectively preparing lanthanum chromite, graphene and additive powder; preparing a green ceramic plate from the prepared lanthanum chromite and additive powder; compounding a graphene layer on the prepared green ceramic plate; hot pressing and sintering the green ceramic plate and the graphene layer. The porosity of the ceramic prepared by the ceramic preparation method can be controlled within 20%. The ceramic is uniform in texture and not easy to crack, and has good high temperature resistance and conductivity. In addition, the ceramic has high strength and excellent bending resistance and break resistance and can bear a certain load. Therefore, the ceramic preparation method can be used for preparing special process equipment such as a bottom plate of the basalt wire-drawing bushing for replacing a traditional bottom plate made of platinum rhodium, and production cost is greatly reduced while good service performances are ensured.

Description

technical field [0001] The invention relates to the technical field of material manufacturing, and more specifically, relates to a preparation method of ceramics, ceramics and basalt wire drawing bushings. Background technique [0002] In the field of advanced manufacturing technology, such as the field of basalt fiber manufacturing technology, there are often extremely high requirements on the high temperature resistance, electrical conductivity and strength of production equipment. [0003] In the process of drawing wire from the basalt high-temperature solution, the wire drawing bushing needs to be operated at a very high temperature, even as high as 1200-1300 ° C, which requires the wire drawing bushing to have good high temperature resistance during the working process . [0004] On the other hand, due to the high melting temperature, high viscosity and easy crystallization of basalt, the drawing temperature is difficult to control, and the bottom plate of the drawing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/42C04B35/622C04B41/85C04B38/00C03B37/095
CPCC03B37/095C04B35/42C04B35/622C04B38/00C04B41/5001C04B41/85C04B2235/3213C04B2235/3215C04B2235/3224C04B2235/3225C04B2235/3227C04B2235/3229C04B2235/3232C04B41/4545C04B41/4578C04B41/0072C04B38/0074
Inventor 曹柏青杨萌杨世伟
Owner SICHUAN AEROSPACE TUOXIN BASALT IND
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