What is Boron Carbide?


Apr 10, 2023

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What is Boron Carbide exactly? Boron carbide (also known as black diamante) is an inorganic compound that is melted using boric acid and carbon material at high temperatures in an electrical furnace. Its chemical formula, B4C is a gray-blackish powder. It is one of three hardest known materials, after diamond and cubic-boron nitride. It is used in tank armor and body armor. It has a Mohs Hardness of around 9.5. It was discovered by metal boride researchers in the 19th century. Scientifically, it wasn’t studied until the 1930s.
Boron Carbide’s Characteristics
Boron carbide features low density, high strength and high-temperature stability. It also has excellent chemical stability. It is used in wear-resistant material, ceramic reinforced phases, particularly in lightweight armor, reactor neutralon absorbers, and other applications. Boron carbide is also a good neutron absorber in nuclear power plants. This neutron absorber helps to control the rate of nuclear fission. Boron carbide can be used to make controllable rods for nuclear reactors. Sometimes, however, it can be made into a powder to increase its surface area.
Boron Carbide B4C Powder CAS 12069-32-8
Boron Carbide has many advantages
Boron carbide works almost as hard as diamond and boron nutride. However, it is relatively easy to make and is low in cost when compared to diamond and cubicboron. It is widely used because of its low price, which makes it an excellent substitute for boron-nitride or diamond. It is used in certain applications as an alternative to expensive diamonds.
Boron Carbide is used
1. Nuclear industry: Application of Boron carbide
Boron carbide has high neutron absorption and a broad energy spectrum. This makes it a popular neutron absorbing material in nuclear reactors. The thermal cross-section of the boron-10 Isotope is the highest, at 347×10-24cm2, and is second only behind a few elements, such as gadolinium or samarium. This makes it an effective thermal neutron absorber. Boron carbide has many advantages, including its high resources and resistance to corrosion. It also has excellent thermal stability and does not produce radioactive elements. Also, it has low secondary energy so it is often used in nuclear reactors as a control material or shielding material. Grossman applied the boron carbide ceramic coat to the nuclear industry, and obtained very good results.
2. Use of boron carbonide in materials
Boron carbide is a widely used material: boron carbide can be used as an abrasive in the grinding and polishing engineering ceramics. Boron carbide, which has a high hardness, can be used for making high-pressure waterjet cutting and sandblasting tools. Boron carbide also has the ability to be used as an abrasive in engineering ceramics, gemstones, cemented carbide, etc. Boron carbide’s good stability to molten metal and thermal conductivity means that it can be used as a continuous mold in the machine industry. The use of boron carbonide in coating materials is another option. Boron carbide has a high hardness, wear resistance and radiation resistance and chemical stability. This makes it possible to make amorphous carbide coated tools.
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