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High-strength ceramic bond and preparation method thereof

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

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

[0011] A high-strength vitrified bond consisting of the following materials in weight fractions: the vitrified bond is composed of the following materials in weight fractions: 1 part of sodium pyrophosphate, 5 parts of borax, 2 parts of sodium silicate, 0.02 parts of magnesium oxide, 1 part of modified phenolic resin, 0.5 part of calcite, 0.2 part of barium sulfate, 0.1 part of calcium carbonate.

[0012] 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 90°C, ball mill and sieve to prepare A vitrified bond is obtained.

Embodiment 2

[0014] A high-strength vitrified bond consisting of the following substances in weight fractions: 3 parts of sodium pyrophosphate, 8 parts of borax, 2 parts of sodium silicate, 0.05 parts of magnesium oxide, 2 parts of modified phenolic resin, 0.8 parts of calcite, barium sulfate 0.4 parts, calcium carbonate 0.5 parts.

[0015] 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 90°C, ball mill and sieve to prepare vitrified bond.

Embodiment 3

[0017] A high-strength vitrified bond consisting of the following substances in weight fractions: 2 parts of sodium pyrophosphate, 6 parts of borax, 2 parts of sodium silicate, 0.04 part of magnesium oxide, 2 parts of modified phenolic resin, 0.6 part of calcite, barium sulfate 0.3 parts, calcium carbonate 0.4 parts.

[0018] 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 100°C, ball mill and sieve to prepare vitrified bond.

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PUM

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Abstract

The invention discloses a high-strength ceramic bond and a preparation method thereof. The ceramic bond is composed of the following substances of, by weight, 1-3 parts of sodium pyrophosphate, 5-8 parts of borax, 2-3 parts of sodium silicate, 0.02-0.05 part of magnesium oxide, 1-2 parts of modified phenolic resin, 0.5-0.8 part of calcite, 0.2-0.4 part of barium sulfate and 0.1-0.5 part of calciumcarbonate. All raw materials are sufficiently mixed in a ball mill, then water is added, ball milling is conducted for 6-8 h, and then still standing is conducted for 3-4 h; and the water is poured out, drying is conducted under the condition of 95-105 DEG C, and then ball milling and sieving are conducted to prepared and obtain the ceramic bond. The prepared ceramic bond has the characteristicsof being low in fire resisting degree 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-strength 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 te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D3/14B24D3/34
CPCB24D3/14B24D3/342
Inventor 不公告发明人
Owner 房世俊
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