Why boron carbide has high hardness？

What is Boron Carbide?

Boron carbonide also known as black-diamond, is an organic compound with the formula of B4C. It is usually a greyish-black powder. It’s one of three most hardy materials, after diamond and cubicboron nutride. This is why it is often used in body armor and tank armour. Boron carbide has an Mohs hardness of around 9.5. Boron carbide does not react with any acid or alkali solution, so it is insoluble even in organic solvents. Boron carbide is also known for its strong thermal neutron capture and high neutron absorption capabilities, which makes it a neutron absorber.

How is boron carbonide used?

Boron carbide can be used as an artificial rigid material. It is second only to cubic boron and diamond. Boron carbide crystals are hexagonal in structure. 2.52g/cm3. The melting temperature of Boron carbide is 2450°C. It quickly decomposes when heated above 2800°C and then volatilizes. Boron carbide resists acid and alkali corrosion. It is also not wetted by most molten materials. Boron carbide can withstand air oxidation of 1000 degrees Celsius, however it will oxidize in an oxidizing atmosphere above 900 degrees Celsius. Boron carbide powder can grind to more than 50% the silicon carbide’s grinding capacity. It is also 12 the harder than corundum. Boron carbide powder is a great grinding material that can also be worn-resistant.

The strong chemical stability and resistance to high temperatures, armour-piercing and bullet penetration of boron carbonide make it bulletproof. It is used often as bulletproof ceramic material and bulletproof coating coatings. You can also use it as an antioxidant. It forms an protective layer of carbonaceous substances, which protects against excessive oxidation, and prolongs the useful life of refractory material.

Why are boron carbide and boron carbide so difficult to use?

Boron carbide can be used to make body armour. It is also a popular material, second only behind diamond and cubicboron nutride. Boron carbide’s unique crystal structure creates a strong covalent link. Its crystal structure consists mainly of orthorhombic heterohedrons. This crystal structure is responsible for boron carbid’s excellent chemical and physical properties, such as its super hardness, low melting point, low density (low thermal expansion coefficient), high wear resistance, and high melting points. Because of this, boron carbonide exhibits high hardness.

Are boron and carbide toxic to our bodies?

Boron carbide has been called synthetic diamond. However, current research shows that it isn’t a health hazard. In order to create anti-neutron radiation fibers for leather, anti-neutron compounds, heavy metallic compounds, and polyester are mixed and spun. It is possible to get threads with a boron content of 35%. The fibre strength can range from 23 to 27CN/tex. You can use the breaking elongation to create knitted fabrics or nonwovens around the nuclear energy reactor. It can also increase neutron radiation protection shielding rates by up to 44%.

Prices for boron carbide

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Boron carbide powder suppliers

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