High-temperature binder and preparation method thereof
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A ceramic bond, high temperature technology, applied in the field of ceramic bond, to achieve the effect of high thermal expansion coefficient, good fluidity and low refractoriness
Inactive Publication Date: 2015-03-25
CHANGSHU HAIYU GRINDING WHEEL
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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
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Embodiment 1
[0010] A high-temperature vitrified bond consisting of the following weight fractions: SiO 2 40 copies, B 2 o 3 35 parts, TiO 2 25 parts, MgO 5 parts, Li 2 O8 parts, CaCO 3 10 parts, Na 2 O 2 parts.
[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 90°C, ball mill and sieve to prepare A vitrified bond is obtained.
Embodiment 2
[0013] A high-temperature vitrified bond consisting of the following weight fractions: SiO 2 42 copies, B 2 o 3 38 parts, TiO 2 28 parts, MgO 8 parts, Li 2 O13 parts, CaCO 3 16 parts, Na 2 O 5 copies.
[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 90°C, ball mill and sieve to prepare vitrified bond.
Embodiment 3
[0016] A high-temperature vitrified bond consisting of the following weight fractions: SiO 2 46 copies, B 2 o 3 45 parts, TiO 2 32 parts, MgO 10 parts, Li 2 O15 parts, CaCO 3 20 parts, Na 2 O 8 servings.
[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 100°C, ball mill and sieve to prepare vitrified bond.
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Abstract
The invention discloses a high-temperature ceramic binder and a preparation method thereof. The ceramic binder is composed of the following materials in parts by weight: 40-46 parts of SiO2, 35-45 parts of B2O3, 25-32 parts of TiO2, 5-10 parts of MgO, 8-15 parts of Li2O, 10-20 parts of CaCO3 and 2-8 parts of Na2O. By fully mixing all the raw materials in a ball mill, adding water, carrying out ball milling for 6-8 h, standing for 3-4 h, pouring out the water, drying at a temperature of 90-105 DEG C, and then carrying out ball milling and sieving the obtained product so as to prepare the ceramic binder. The ceramic binder prepared according to the invention has the characteristics of low refractoriness and high 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...
Claims
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Application Information
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