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Advantages of high-purity ultra-fine alumina powder

Alumina is a very chemically ionized substance with a high melting point, hardness and high chemical stability, especially it can maintain high hardness and strength at high temperatures, and this AlO is widely used. Used in metallurgy, machinery, chemical industry, electronics, medicine, aviation and national defense. Due to the ultra-micronization of alumina powder, its surface electronic structure and crystal structure have changed, resulting in surface effects that macroscopic objects do not have. , Small size effect, quantum effect and macroscopic quantum tunneling effect.

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The application of alpha alumina in new alumina ceramics

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Two factors affecting the wear resistance of wear-resistant ceramic coatings

Wear-resistant ceramic coating (epoxy resin adhesive coating) has excellent wear resistance and is widely used in material protection and parts repair, such as parts scratches, casting defects, external cracks, part wear, and part leakage. Because the repair work is simple, efficient, and economically feasible, this process method has received increasing attention. What are the factors

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What are the crystal forms of alumina powder

The crystal forms of Al2O3 are: α, γ, η, δ, θ, κ, χ and so on. When the external conditions change, the crystal form will change. In the Al2O3 variant, since the oxygen in α-Al2O3 (density 3.99g/cm3) is the most compactly packed, only α-Al2O3 (corundum) is stable, and other crystal forms are unstable. Transformed into

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 Alumina grinding columns are widely used in different types of ceramics, enamels, glass, chemicals, etc. 

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