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Study On Property And Application of Nano Cobalt Powder

2018-9-27      View:

Cobalt is a steel gray hard metal with metallic luster, with an atomic number of 27, located in the eighth group (iron group) of the periodic table, with an atomic weight of 58.9332, density is 8.9g / cm3 ( 20 °C ) , melting point 1495 °C , boiling point 2930 °C.

 

Nano-cobalt magnetic materials have special physical and chemical properties and magnetic properties, and are widely used. Pure nanomaterials made of cobalt have a unique uniaxial hexagonal close-packed structure, which can be made into morphologically anisotropic cobalt nanocrystals, such as high-density magnetic recording media and permanent magnets.

 

Cobalt is used as a catalyst to degrade organic matter and synthesize new substances. The carrier materials can be roughly divided into two types according to the structure, one is a porous material having a high porosity, such as a carbon fiber material, a molecular sieve, etc., and the other is a material having no pores, such as a silicon wafer or a glass. The nano-cobalt composite absorbing material has become a new focus in the research field of absorbing materials due to its thin thickness, light weight, bandwidth of absorption frequency and high absorption rate.

 

As an important industrial raw material, cobalt plays an irreplaceable role in magnetic materials, catalysts and absorbing materials because of its good dispersibility, uniform particle size and excellent magnetic properties.