-What are the uses of cobalt

What are the uses of cobalt
author:enerbyte source:本站 click115 Release date: 2024-05-15 09:03:49
abstract:
Cobalt is an important strategic metal, and cobalt and its alloys are widely used in fields such as motors, machinery, chemicals, specialty, and aerospace. 75% to 80% of cobalt is used in alloy manufacturing, and 20% to 25% is used in various compound forms in industries such as chemical and e...

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Cobalt is an important strategic metal, and cobalt and its alloys are widely used in fields such as motors, machinery, chemicals, specialty, and aerospace. 75% to 80% of cobalt is used in alloy manufacturing, and 20% to 25% is used in various compound forms in industries such as chemical and electronics.

Cobalt based high-temperature resistant alloys or cobalt containing alloy steels can be used as blades, impellers, conduits, jet engines, rocket engines, special components, various high load heat-resistant components in chemical equipment, and important metal materials in the atomic energy industry.

Cobalt based wear-resistant alloys are resistant to high temperatures and hard wear, and are used to make hard worn parts for excavation equipment, marine diesel engines, and exhaust valves for special engines. Cobalt can also be used to produce hard alloys with tungsten carbide and other materials.

Cobalt is an important component of permanent magnetic alloys, and iron cobalt magnetic alloys have a high magnetic field line density. Anico based high permeability alloys containing 25% cobalt are the most widely used.

Cobalt can also be used to make low coefficient of expansion alloys. Cobalt alloys containing 17%, 29%, 53%, and 0.2% cobalt have the same coefficient of expansion as glass and can be fused into glass for applications in electrical appliances, radio, and lighting.

Cobalt containing blue glass has high red transmittance and is used for flame analysis. Cobalt containing glass is also used as optical filters and ophthalmic therapeutic devices, and cobalt can also be used as a glass color remover. Cobalt oxide is used as a glaze pigment, and 5% cobalt oxide is added to the glaze to obtain a deep blue color. Adding cobalt to ceramics can neutralize yellow to white, resulting in high-quality white products. Multiple organic acid cobalt salts are used as catalysts in polymer synthesis. Cobalt acetate is used as a catalyst for artificial fibers, cobalt naphthalate is used as a paint drying agent, and Co Mo Al catalyst is used for hydrogenation and desulfurization processes.

Cobalt is still one of the essential trace elements for humans and livestock. Cows and sheep lacking cobalt can cause decreased appetite, delayed development, and reduced milk production. Vitamin Bi2 containing cobalt can prevent pernicious anemia in humans. Isotope 60Co emitsγ Radiation can be used for physical and chemical research and medical purposes. Cobalt is also used for surgical treatment.

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