Calcium boride calcium hexaboride CaB6 performance indicators and uses

Overview of calcium hexaboride CaB6 powder

Calcium boride is a boron-containing additive used as anti-oxidation, anti-erosion and hot strength of dolomite and magnesium dolomite refractories. It is also used as a deoxidizing and degassing agent for high conductivity copper to improve conductivity and strength, and as a chemical agent for other chemical purposes.

Calcium boride is a chemical whose English name is Calcium boride; Calcium hexaboride, which is mainly synthesized by carbothermal reduction, self-propagation and other means. A material research institute in my country and some colleges and universities have certain synthesis research techniques.

There are many compounds between B and Ca, but the common and stable one is CaB6, so calcium boride mainly refers to calcium hexaboride CaB6.

Its structure is AB6 and RB6, A stands for alkaline earth, R stands for rare earth, and the structure shared by hexaboron compounds. It is a CsCl structure. The difference is that B6 octahedron replaces the position of Cs. Because of the strong co-existence between BB Valence bond makes it have the characteristics of high melting point and high hardness. Its physical and chemical properties are quite stable. When calcined in air, sub-micron CaB6 will only show thermal weight gain after 800 degrees Celsius and is not easy to oxidize. CaB6 is generally insoluble in hydrochloric acid and sulfuric acid, so technically hot hydrochloric acid is used to remove impurities. Material, but CaB6 is soluble in nitric acid.

1. Calcium hexaboride is black-gray powder or granule. The melting point is 2230°C, the relative density is 2.33g/cm, and it is insoluble in water at 15°C and normal temperature.

2. Silicon boride is a lustrous black-gray powder with a relative density of 3.0g/cm and a melting point of 2200°C. The grinding efficiency is higher than that of boron carbide and higher than silicon carbide. They are insoluble in water, resistant to oxidation and thermal shock. , Chemical resistance and other characteristics. Especially it has high strength and stability under thermal shock.

Application of calcium hexaboride CaB6 powder

1. Used as a boron-containing additive for dolomite and magnesium dolomite refractories to resist oxidation, corrosion and improve thermal strength.

2. Used as a deoxidizing and degassing agent for high conductivity copper to improve conductivity and strength.

3. It is used as a new type of neutron-proof material in the nuclear industry.

4. Used as a new type of semiconductor material in spintronic components with a Curie temperature of 900K.

5. Used as a raw material for the manufacture of boron trichloride (BCl3) and amorphous boron.

6. Used as a raw material for manufacturing high-purity metal borides (TiB2, ZrB2, HfB2, etc.) and high-purity boron alloys (Ni-B, Co-B, Cu-B, etc.).

7. It is used to manufacture a mixture of calcium-boron nitride (Ca3B2N4) and hexagonal boron nitride containing catalyst, and use it to produce crystalline cubic boron nitride with excellent performance.

8. Used as desulfurization, deoxidation and boron increase agent for boron alloy cast iron.

9. Used as desulfurization, deoxidation and boron increase agent for boron steel.

10. Used as a deoxidizer for metal smelting

Calcium hexaboride CaB6 powder price

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Calcium hexaboride CaB6 powder supplier

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