Method for production of silicon carbide granularity sand special for recrystallized silicon carbide
A production method and silicon carbide technology are applied in the production field of special silicon carbide grain size sand for recrystallized silicon carbide products, which can solve the problems of low tap density, low high temperature flexural strength, low bulk density, etc. The effect of high density, high temperature flexural strength and high bulk density
Inactive Publication Date: 2010-06-23
昌乐鑫源碳化硅微粉有限公司
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Abstract
The invention discloses a method for the production of silicon carbide granularity sand special for recrystallized silicon carbide, which is surface-smooth silicon carbide granularity sand special for recrystallized silicon carbide, obtained by the steps of shaping, separating, purifying, water-washing, dehydrating and drying the silicon carbide granularity sand with 80-100 microns of median diameter. The method for the production of silicon carbide granularity sand special for recrystallized silicon carbide according to the invention is simple, easy and convenient in operation, the produced granularity sand is centralized in granularity, good in mobility, large in tap density, less in impurities and free from fine powders, and all the silicon carbide produced according to the method has smooth surface and nearly spherical shape and is used for the production of recrystallized silicon carbide, therefore, compared with previous products, the produced product has the advantages of high volume density, small porosity, high oxidation resistance, compressive strength and high-temperature rupture strength, etc.
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