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Low-temperature ceramic bond and preparation method thereof
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A ceramic bond and low temperature technology, applied in the field of low temperature ceramic bond and its preparation, to achieve the effect of high thermal expansion coefficient, good fluidity and low refractoriness
Inactive Publication Date: 2015-04-08
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 low-temperature vitrified bond consisting of the following weight fractions: SiO 2 36 copies, B 2 o 3 23 parts, Fe 2 o 3 30 parts, CaO 2 parts, Li 2 CO 3 7 parts, KNO 3 3 parts, Na 2 o6.
[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 low-temperature vitrified bond consisting of the following weight fractions: SiO 2 40 copies, B 2 o 3 28 parts, Fe 2 o 3 35 parts, CaO 6 parts, Li 2 CO 3 8 servings, KNO 3 4 parts, Na 2 O 7 servings.
[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 low-temperature vitrified bond consisting of the following weight fractions: SiO 2 45 copies, B 2 o 3 33 parts, Fe 2 o 3 40 parts, CaO 8 parts, Li 2 CO 3 10 parts, KNO 3 5 parts, Na 2 O 9 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 low-temperature ceramic bond and a preparation method thereof. The ceramic bond is prepared from the following substances in parts by weight: 36-45 parts of SiO2, 23-33 parts of B2O3, 30-40 parts of Fe2O3, 2-8 parts of CaO, 7-10 parts of Li2CO3, 3-5 parts of KNO3 and 6-9 parts of Na2O. The preparation method comprises the following steps: sufficiently mixing all raw materials in a ball mill; adding water, carrying out ball milling for 10-15 hours, and standing for 3-4 hours; pouring the water out, and baking at 90-105 DEG C; and carrying out ball milling, and screening to prepare the ceramic bond. The prepared ceramic bond 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 low-temperature ceramic 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 boronnitrideabrasive 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 an...
Claims
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Application Information
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