Boron carbide B4C powder CAS 12069-32-8

Overview of boron carbide B4C powder：

Boron carbide, also known as black diamond, is an inorganic substance with the chemical formula B4C, usually gray-black micropowder. Hard black shiny crystals. The hardness is lower than that of industrial diamond, but higher than that of silicon carbide. More brittle than most pottery. Has a larger thermal energy neutron capture cross section. Strong chemical resistance. Not attacked by hot hydrogen fluoride and nitric acid. Soluble in molten alkali, insoluble in water and acid. Relative density (d204) 2.508～2.512. Melting point 2350 ℃. Boiling point 3500 ℃. It is one of the three hardest materials known (after diamond and cubic boron nitride) and is used in tank armor, body armor and many industrial applications. It has a Mohs hardness of about 9.5.

Boron carbide  B4C powder is irritating, so long-term close contact requires certain protective measures. For example, avoid inhalation of its dust and direct contact with the skin. If a patient inhales only a small amount of boron carbide powder during exposure, it will not directly cause the body to develop silicosis. Generally speaking, as long as you stay away from the substance at this time, you can still reduce the chance of suffering from silicosis. However, if you continue to inhale the powder, you may gradually cause these toxic irritants to appear in the lungs, where silicosis begins. The hardness of boron carbide is lower than that of industrial diamond, but higher than that of silicon carbide. More brittle than most pottery. Has a larger thermal energy neutron capture cross section. Strong chemical resistance. Not attacked by hot hydrogen fluoride and nitric acid. Soluble in molten alkali, insoluble in water and acid. Relative density (d204) 2.508 ~ 2.512. Melting point 2350 ℃. Boiling point 3500 ℃. Boron carbide  B4C powder can absorb a large number of neutrons without forming any radioactive isotopes. It is an ideal neutron absorber in nuclear power plants. Neutron absorbers mainly control the rate of nuclear fission. Boron carbide B4C powder is primarily made into controllable rods in nuclear reactors, but is also sometimes powdered to increase surface area.

Boron carbide B4C powder application：

Because of its low density, high strength, good high temperature stability and good chemical stability. For wear-resistant materials, ceramic reinforcement phases, especially lightweight armor, reactor neutron absorbers, etc. widely used. Boron carbide B4C powder can replace expensive diamond in some places and is often used for grinding, grinding, drilling and other applications.

control nuclear fission

Boron carbide  B4C powder can absorb a large number of neutrons without forming any radioactive isotopes. It is an ideal neutron absorber in nuclear power plants. Neutron absorbers mainly control the rate of nuclear fission. Boron carbide is primarily made into controllable rods in nuclear reactors, but is also sometimes powdered to increase surface area.

Abrasive

Since boron carbide B4C powder was used as an abrasive a long time ago. Due to its high melting point, it is not easy to cast into artificial products, but it can be processed into simple shapes by melting powder at high temperature. It is used for grinding, grinding, drilling and polishing of hard materials such as cemented carbide and precious stones.

coating

Boron carbide  B4C powder can also be used as ceramic coatings for warships and helicopters.

nozzle

In the arms industry, it can be used to make muzzles. Boron carbide B4C powder, extremely hard and wear-resistant, does not react with acid and alkali, high and low temperature resistance, high pressure resistance, density ≥2.46g/cm3; microhardness ≥3500kgf/mm2, flexural strength ≥400MPa, melting point 2450℃.

Due to the above characteristics of wear resistance and high hardness of boron carbide nozzles, boron carbide sandblasting nozzles will gradually replace known sandblasting nozzles for cemented carbide/tungsten steel and silicon carbide, silicon nitride, alumina, zirconia and other materials.

other

Boron carbide B4C powder is also used in the manufacture of metal borides and the smelting and special welding of sodium boron and boron alloys.

Boron carbide B4C powder price：

The price of boron carbide B4C powder varies randomly with factors such as production costs, transportation costs, international conditions, exchange rates, and market supply and demand. Tanki New Materials Co., Ltd. aims to help industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full range of customized services. If you are looking for boron carbide B4C powder, please feel free to contact us for the latest boron carbide B4C powder price.

Boron Carbide B4C Powder Supplier：

As a global supplier of boron carbide B4C powders, Tanki New Materials Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced engineered materials. The company has successfully developed a series of powder materials (including chromium carbide, aluminum carbide, titanium carbide, etc.), high-purity targets, functional ceramics and structural devices, and provides OEM services.