Overview of boron carbide B4C powder:
Boron carbide has the characteristics of low density, high strength, high temperature stability and good chemical stability. Therefore, it is widely used in wear-resistant materials, ceramic reinforcement phases, especially in lightweight armor, reactor neutron absorbers, etc. In addition, compared with diamond and cubic boron nitride, boron carbide is easy to manufacture and low in cost, so it is more widely used. It can replace expensive diamonds in some places, and is usually used for grinding, grinding, drilling and other aspects.
B4C powder has the characteristics of high purity, small particle size distribution and large specific surface area. B4C powder is a synthetic superhard material with a hardness of 9.46; the microhardness is 56-6200Kg/mm2, the ratio is 252 g/cm3, and the melting temperature is 2250 degrees Celsius.
Application of Boron Carbide B4C Powder:
What are the uses of boron carbide B4C powder?
Control nuclear fission
Boron carbide can absorb a large number of neutrons without forming any radioactive isotopes, so it is an ideal neutron absorber in nuclear power plants, and the neutron absorber mainly controls the rate of nuclear fission. Boron carbide is mainly made into a controllable rod in the nuclear reactor field, but sometimes it is made into a powder because of the increase in surface area.
During the Chernobyl nuclear accident in 1986, Russia dropped nearly 2,000 tons of boron carbide and sand, which eventually stopped the chain reaction in the reactor.
Because boron carbide has been used as a coarse abrasive material for a long time. Because of its high melting point, it is not easy to be cast into artificial products, but it can be processed into simple shapes by smelting the powder at high temperature. Used for grinding, grinding, drilling and polishing hard materials such as cemented carbide and gemstones.
Boron carbide can also be used as a ceramic coating for warships and helicopters. It is light in weight and has the ability to resist the penetration of armor-piercing projectiles through the hot-press coating to form an integral defense layer.
In the munitions industry, it can be used to make gun nozzles. Boron carbide, extremely hard and wear-resistant, does not react with acid and alkali, high/low temperature resistance, high pressure resistance, density ≥2.46g/cm3; microhardness ≥3500kgf/mm2, bending strength ≥400MPa, melting point 2450℃.
Because the boron carbide nozzle has the above characteristics of wear resistance and high hardness, the boron carbide sandblasting nozzle will gradually replace the known sandblasting nozzles of cemented carbide/tungsten steel and silicon carbide, silicon nitride, alumina, zirconia, etc. .
Boron carbide is also used in the manufacture of metal borides, smelting sodium boron, boron alloys, and special welding.
Price of boron carbide B4C powder:
The price of boron carbide B4C powder will vary randomly with factors such as production costs, transportation costs, international conditions, exchange rates, and market supply and demand for boron carbide B4C powder. Tanki New Materials Co.,Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for boron carbide B4C powder, please feel free to send an inquiry to get the latest price of boron carbide B4C powder.
Suppliers of Boron Carbide B4C Powder:
As a global boron carbide B4C powder supplier, Tanki New Materials Co.,Ltd has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineering materials. The company has successfully developed a series of powder materials (titanium diboride, Silicon hexaboride, molybdenum boride, iron boride), high-purity targets, functional ceramics and structural devices, and provide OEM services.
|Boron Carbide Properties|
|Other Names||B4C, B4C powder, black diamond, boron carbide powder,|
|boron-carbon refractory ceramic|
|Appearance||Gray to Black Powder|
|Melting Point||2763 °C|
|Boiling Point||3500 °C|
|Solubility in H2O||Insoluble|
|Electrical Resistivity||0 to 11 10x Ω-m|
|Tensile Strength||350 MPa (Ultimate)|
|Thermal Conductivity||31 to 90 W/m-K|
|Thermal Expansion||4.5 to 5.6 µm/m-K|
|Vickers Hardness||26 Mpa|
|Young's Modulus||240 to 460 Gpa|
|Boron Carbide Health & Safety Information|
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