The properties of spherical-alumina

Ultra-fine, spherical, alumina has many excellent properties, including high resistance to corrosion, high temperatures resistance, high hardness and strength, wear resistance as well as oxidation resistance. It is widely used in metallurgy as well as electronics, national defense and aerospace, nuclear industry, and other areas. High-tech field.

Application of spherical allumina

1. Ceramic additives

Nano-spherical additions of alumina powder can help to solve problems in ceramics. These ceramics can be transformed into low-temperature plastics spherical ceramics.

2. Composite materials

Nano-spherical powdered alumina can be used to create new composite ceramic materials with unique properties. It can also be used to make artificial tooth and bones.

3. Coatings to protect the surface

Spherical alumina powder particles can be sprayed on metals, polymers, and other surfaces. This can improve hardness, corrosion resistance and wear resistance as well fire resistance.

4. Optical materials

The absorption of ultraviolet light is strong for nano-sized spherical powders made from alumina spheres. It is less than 250nm in size. The blue shift phenomenon of nanoultraviolet absorbtion can be used to absorb the spherical, alumina powder. It does not emit harmful ultraviolet light and it will not affect the phosphor’s luminescence. The nano-spherical form of alumina is suitable for use in transparent ceramics, which are used as high-pressure sodium lamps. It can also be used with rare-earth and rare-earthphosphors to create the luminescent material. It will not only lower the cost, but also prolong the life of the luminous bulb.

5. Semiconductor materials

Nano-scale spherical Alumina Powder is very sensitive to humidity. It has an extremely high value in temperature sensors and can be widely used for substrate materials for large-scale integrated Circuits.

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