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Carbide Powder

Boron carbide B4C powder CAS 12069-32-8
  • Boron carbide B4C powder CAS 12069-32-8

Boron carbide B4C powder CAS 12069-32-8

Boron carbide is one of the three hardest materials known and is not affected by hot hydrogen fluoride and nitric acid.
Particle size:-325 mesh.
Purity:99%
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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 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 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.

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 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 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 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, 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 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.


Hot Tags: Boron carbide B4C powder CAS 12069-32-8 , manufacturers, suppliers, factory, Customized

Technical parameter of Boron carbide B4C powder
Boron Carbide Nanoparticles (B4C)
Crystal phase: Hexagonal
APS: 45-55nm
SSA: 40-60m2/g
Zeta Potential: -26mV
Bulk density: 0.10g/cm3
Purity: >99%
Color: Black
Making Method: Plasma vapor phase synthesis method

Specifications of Boron Carbide B4C powder
ItemPurityAPSSSAColorMorphologyZeta PotentialBulk Density
B4C powder>99%50nm42m2/gBlackhexagonal-26mV0.1g /cm3
Boron Carbide Properties
Other NamesB4C, B4C powder, black diamond, boron carbide powder,
boron-carbon refractory ceramic
CAS No.12069-32-8
Compound FormulaB4C
Molecular Weight55.26
AppearanceGray to Black Powder
Melting Point2763 °C
Boiling Point3500 °C
Density2.52 g/cm3
Solubility in H2OInsoluble
Electrical Resistivity0 to 11 10x Ω-m
Poisson's Ratio0.17-0.18
Tensile Strength350 MPa (Ultimate)
Thermal Conductivity31 to 90 W/m-K
Thermal Expansion4.5 to 5.6 µm/m-K
Vickers Hardness26 Mpa
Young's Modulus240 to 460 Gpa
Exact Mass56.037222
Boron Carbide Health & Safety Information
Signal WordWarning
Hazard StatementsH332
Hazard CodesXi
Risk Codes20
Safety Statements22-39
RTECS NumberN/A
Transport InformationN/A
WGK Germany3


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