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High-temperature ceramic bond and preparation method thereof

A ceramic bond, high temperature technology, applied in the direction of manufacturing tools, metal processing equipment, abrasives, etc., to achieve the effect of low refractoriness, high thermal expansion coefficient, and good fluidity

Inactive Publication Date: 2018-06-05
房世俊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the advancement of science and technology, the vitrified bond in the prior art can no longer meet the needs of industrial applications. Therefore, it is necessary to provide a vitrified bond with a low melting point and high strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] A high-temperature vitrified bond consisting of the following materials in weight fractions: 2 parts of iron ore, 5 parts of zinc oxide, TiO 2 5 parts, MgO 1 part, clay 3 parts, boron nitride 1 part, barium oxide 1 part.

[0011] Fully mix the above materials in a high-energy ball mill, fully mix all raw materials in a ball mill, add water, ball mill for 5 hours, then stand for 2 hours, pour out the water, dry at 250°C, ball mill and sieve to prepare vitrified bond.

Embodiment 2

[0013] A high-temperature ceramic bond consisting of the following materials in weight fractions: 2-6 parts of iron ore, 5 parts of zinc oxide, TiO 2 10 parts, MgO 1.5 parts, clay 8 parts, boron nitride 3 parts, barium oxide 2 parts.

[0014] Fully mix all raw materials in a ball mill, add water, ball mill for 8 hours, then stand for 2 hours, pour out the water, dry at 200°C, ball mill and sieve to prepare vitrified bond.

Embodiment 3

[0016] A high-temperature vitrified bond consisting of the following materials in weight fractions: 5 parts of iron ore, 4 parts of zinc oxide, TiO 2 8 parts, MgO 1 part, clay 6 parts, boron nitride 2 parts, barium oxide 1.5 parts.

[0017] Fully mix all raw materials in a ball mill, add water, ball mill for 10 hours, then stand for 1 hour, pour out the water, dry at 300°C, ball mill and sieve to prepare vitrified bond.

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Abstract

The invention discloses a high-temperature ceramic bond and a preparation method thereof. The high-temperature ceramic bond comprises the following substances in parts by weight: 2-6 parts of iron ore, 5-6 parts of zinc oxide, 5-10 parts of TiO2, 1-1.5 parts of MgO, 3-8 parts of clay, 1-3 parts of boron nitride, and 1-2 parts of barium oxide. The preparation method comprises the following steps: sufficiently mixing all the raw materials in a ball mill, adding water, performing ball milling for 6-8 h, then standing for 3-4 h, pouring water out, drying at the temperature of 90-105 DEG C, performing ball milling again, and sieving, thereby obtaining the high-temperature ceramic bond. The high-temperature ceramic bond prepared according to the preparation method has the characteristics of being low in degree of fire resistance and high in strength.

Description

technical field [0001] The invention belongs to the technical field of vitrified bonding agent, and in particular relates to a high-temperature vitrified bonding agent and a preparation method thereof. Background technique [0002] Because the vitrified bond has the advantages of good thermal stability, high rigidity, and controllable porosity, the vitrified cubic boron nitride abrasive tool has the advantages of high strength, good self-sharpening, and easy dressing. Structural elements such as abrasive grains, bonds and pores jointly determine the performance of abradable tools. The lightness of the vitrified bond grinding wheel mainly depends on the strength of the vitrified bond itself and the bonding strength between the bond and the abrasive particles. The composition of the bond is an important factor affecting the strength of the vitrified bond and the bonding strength of the interface between the bond and the abrasive particles. With the advancement of science and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D3/14C04B35/46C04B35/453
CPCB24D3/14C04B35/453C04B35/46C04B2235/3206C04B2235/3215C04B2235/349C04B2235/386C04B2235/5436C04B2235/9607
Inventor 不公告发明人
Owner 房世俊
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