The Properties And Applications of Spherical Aluminum Oxide Powder-Advanced nanomaterials and chemicals for bio medical. |Biomedicalmaterialsprogram


The Properties And Applications of Spherical Aluminum Oxide Powder

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Aluminum oxide spheres Produced by high-temperature melting spraying, the aluminum oxide has high sphericity with a large amount of a-phase. Aluminum oxide that is spherical performs better when used in rubber, ceramics and plastics.

Spherical aluminum oxide properties

1. High filling
Aluminum oxide is spherical and has a large particle size distribution. It can fill rubber with high density.

2. High thermal conductivity
A mixture with good heat dissipation and high thermal conductivity can be achieved by filling spherical Al2O3 with high density.

3. Low abrasion
Due to the spherical nature of spherical Aluminum Oxide, the abrasion caused by equipment like kneaders or molding machines can be greatly reduced. This will extend the service life.

Spherical aluminum oxide applications

1. Ceramic additives
A certain amount of Nano-spherical Aluminium Oxide Powder can effectively solve ceramics’ shortcomings, such as low-temperature brittleness or a limited application range. This can be converted into low-temperature plasticspherical-aluminum oxide ceramics.

2. Composite materials
Nano-spherical Al2O3 Powder can be used for the manufacture of new composite ceramic materials that have special properties. It can also be made into artificial teeth or bones.

3. Surface protective coating
Spraying spherical aluminum oxide particles on metals, polymers, etc. can improve hardness, corrosion, wear resistance, and fire resistance. It can also be used to protect surfaces such as machinery and pipelines.

4. Optical Materials
Aluminum oxide powder, which is nano-sized and spherical in shape, has the ability to absorb light with wavelengths below 250nm. When a few spherical particles of aluminum oxide are added to rare earth pigments, they can absorb nano-ultraviolet light using the blue shift effect. It will not affect the brightness of the phosphor.

It is possible to combine rare-earth fluorescent materials with nano-spherical Aluminum oxide as the material for high-pressure sodium lamp. Not only will this reduce the cost, but it will also increase the lifespan of the lamp.

5. Semiconductor materials
This nano-scale aluminum oxide powder can be used to make temperature sensors that are extremely sensitive to moisture. It is also a good substrate for large-scale integrated electronics.

6. Catalysts and their carriers
Al2O3 powder spheres have a large surface area and are covered with mismatch bonds. The sheet will have abundant pores with a porosity range of 30-40%. These can be converted into porous membrane filters. The catalyst and carrier produced by this method are several times better than similar products that are currently being used.

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