Chinese name: Chromium boride

English name: Chromium diboride

Chemical formula: CrB

Molecular weight: 62.81

CAS: 12006-79-0

Melting point: 2760 ℃

Solubility: Insoluble in water, soluble in molten sodium peroxide

Nature:

Chromium boride has high melting point and hardness, high melting point, excellent wear resistance and high temperature stability.

Preparation method:

Chromium boride powder can be prepared by direct reduction, thermal reaction and other methods. The direct reduction method refers to the reaction of chromium powder and boron powder at high temperature to produce chromium boride powder. The thermal reaction principle is to react chromium and boron compounds at high temperatures to produce chromium boride powder.

Applications:

Chromium boride powder is often used to prepare alloy materials with high hardness and high melting point, such as cutting tools and wear-resistant parts. Because of its excellent wear resistance and high temperature stability, chromium boride has been widely used in industrial fields. It is mainly used as wear-resistant, high-temperature oxidation resistant coating and neutron absorption coating in nuclear reactors. Chromium boride powder has the characteristics of high hardness, high melting point and excellent wear resistance, so it has a wide application prospect in the preparation of alloy materials and ceramic materials. With the development of science and technology, the requirements for material properties are getting higher and higher, chromium boride as a representative of high-performance materials, will be more widely used in aerospace, automotive industry, electronic devices and other fields.