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A vitrified bond and alkali metal technology, applied in metal processing equipment, abrasives, manufacturing tools, etc., to achieve the effect of reducing refractoriness and enhancing service life
Inactive Publication Date: 2015-04-22
CHANGSHU HAIYU GRINDING WHEEL
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Abstract
Description
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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 an alkali metal vitrified bond with a low melting point and high strength.
Method used
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Embodiment 1
[0010] An alkali metal vitrified bond consisting of the following weight fractions: TiO 2 22 copies, B 2 o 3 26 copies, Al 2 o 3 45 parts, SiO 2 10 copies, Li 2 O 6 parts, KNO 3 5 parts, Na 2 CO 3 4 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 10 hours, then stand for 5 hours, pour out the water, dry at 90°C, ball mill and sieve to prepare A vitrified bond is obtained.
Embodiment 2
[0013] An alkali metal vitrified bond consisting of the following weight fractions: TiO 2 28 copies, B 2 o 3 29 copies, Al 2 o 3 49 parts, SiO 2 16 copies, Li 2 O 8 parts, KNO 3 6 parts, Na 2 CO 3 7 servings.
[0014] Fully mix all raw materials in a ball mill, add water, ball mill for 10 hours, then stand still for 5 hours, pour out the water, dry at 90°C, ball mill and sieve to prepare vitrified bond.
Embodiment 3
[0016] An alkali metal vitrified bond consisting of the following weight fractions: TiO 2 22 copies, B 2 o 3 26 copies, Al 2 o 3 45 parts, SiO 2 10 copies, Li 2 O 6 parts, KNO 3 5 parts, Na 2 CO 3 4 parts.
[0017] Fully mix all raw materials in a ball mill, add water, ball mill for 10 hours, then stand still for 5 hours, pour out the water, dry at 100°C, ball mill and sieve to prepare vitrified bond.
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Abstract
The invention discloses an alkali metal ceramic binding agent. The alkali metal ceramic binding agent is composed of, by weight, 22 parts to 35 parts of TiO2, 26 parts to 31 parts of B2O3, 45 parts to 50 parts of Al2O3, 10 parts to 18 parts of SiO2, 6 parts to 10 parts of Fe2O3, 5 parts to 11 parts of KNO3, 3 parts to 7 parts of MgCO3 and 4 parts to 8 parts of CaCO3. All the raw materials are fully mixed in a ball mill, water is then added, ball milling is conducted for 6 hours to 8 hours, the mixture stands for 3 hours to 4 hours, water is poured out, drying is conducted at a temperature of 95 DEG C to 105 DEG C, and the ceramic binding agent is then prepared through ball milling and screening. Alkali metal such as Li2O, KNO3 and Na2CO3 is added to the alkali metal ceramic binding agent, the refractoriness of the ceramic binding agent is effectively lowered, and the service life of ceramic abrasive wheels is prolonged.
Description
technical field [0001] The invention belongs to the technical field of ceramic bonding agent, and in particular relates to an alkali metal ceramic bonding agent. 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 technology, the vitrified bond in t...
Claims
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Application Information
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