The Group of Seven leading economies is discussing imposing a cap on Russian oil prices by imposing restrictions on insurance and shipping, according to people familiar with the matter. The potential mechanism would only allow shipments of Russian crude oil and petroleum Boron Carbide B4C powder,Overview of Boron Carbide B4C powder,Application of boron carbide B4C powder,Boron carbide B4C powder price,Boron Carbide B4C Powder Supplier are still very uncertain.
Overview of Boron Carbide B4C powder
Boron carbide (B4C) is also known as black diamond. It is gray-black and is a very hard man-made material: the Mohs hardness is 9.3, and the microhardness is 5500~6700kg/mm2, second only to diamond and cubic boron nitride.
The structure of boron carbide is hexagonal. The density of boron carbide is 2.52g/cm3. The melting point of boron carbide is 2450℃, and it decomposes and volatilizes rapidly when the temperature is higher than 2800℃.
Boron carbide B4C powder properties
Boron carbide is insoluble in water and organic solvents, has strong chemical stability, is resistant to acid and alkali corrosion, and hardly reacts with all acid and alkali solutions. The thermal neutron capture cross section of boron carbide is large and the neutron absorption ability is strong, so it is called a neutron absorber and a semiconductor.
Application of boron carbide B4C powder
Due to its attractive combination of properties, it is a suitable material for many high-performance applications.
The excellent hardness of boron carbide makes it a suitable abrasive for grinding, polishing and water jet cutting of metals and ceramics. It is suitable for grinding, polishing, drilling and other processing of various carbide tools, molds, parts, components and gemstones. Boron carbide can be made into abrasive paste and polishing paste with appropriate amount of oil or water as lubricant.
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 mainly used in nuclear reactors as controllable rods, but is sometimes powdered due to increased surface area.
During the Chernobyl nuclear accident in 1986, Russia dropped nearly 2,000 tons of boron carbide and sand, which ultimately stopped a chain reaction within the reactor.
Because boron carbide has long been used as a rough grinding material. 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. For grinding, grinding, drilling and polishing of hard materials such as carbide and gemstones.
Boron carbide can also be used as ceramic coatings for warships and helicopters. It is lightweight and has the ability to resist penetration of armor-piercing projectiles through thermocompression coatings, forming a complete defensive layer.
In the arms industry, it can be used to make gun barrels. 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℃.
Since boron carbide nozzles have the above-mentioned characteristics of wear resistance and high hardness, boron carbide sandblasting nozzles will gradually replace known cemented carbide/tungsten steel and silicon carbide, silicon nitride, alumina, zirconia and other sandblasting nozzles.
Boron carbide is also used in the manufacture of metal borides, smelting sodium boron, boron alloys and special welding.
Boron carbide B4C powder price
The price of boron carbide B4C powder will vary randomly due to factors such as production costs, transportation costs, international conditions, exchange rates, and market supply and demand of 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 range 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.
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 and engineered materials. The company has successfully developed a series of powder materials (titanium diboride, silicon hexaboride, molybdenum boride, iron boride), high-purity target materials, functional ceramics and structural devices, and provides 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|
The day after the shooting at a Texas elementary school, the National Rifle Association issued a statement saying it "extends its deepest sympathies to the families and victims involved in this terrible and evil crime," adding it would "reflect on these events and pray for the victims."
It comes just days before the National Rifle Association's annual convention in Houston, Texas. Houston is less than five hours away. Texas Governor Tony Abbott, Senator Ted Cruz, and others are scheduled to attend the event, which has also caused a lot of controversies.
Texas Democratic gubernatorial candidate Mark O 'Rourke took to social media to call on Abbott to pull out of the convention, urging that it be held outside Texas. Many American netizens also took to social media to express their dissatisfaction. "I wish the NRA's annual meeting was held three days after 19 children and two adults were massacred," said one. "The school shooting was not a lone Wolf, but with the help of the NRA."
Between 2000 and 2020, US gun manufacturers produced more than 139 million guns for the civilian market, according to the Justice Department report. The NATIONAL Rifle Association (NRA) is one of the leading gun rights advocates with more than 5m members and deep pockets. The United States has not passed major gun control laws for more than two decades, blocked by gun interests.
The Boron Carbide B4C powder,Overview of Boron Carbide B4C powder,Application of boron carbide B4C powder,Boron carbide B4C powder price,Boron Carbide B4C Powder Supplier price is predicted to increase in the next few days.
Hafnium boride, gray with metallic luster crystals. The melting point is 3250 degrees Celsius, the conductivity is large, and the chemical properties are stable.…
Vanadium nitride is known as VN powder, it is an important vanadium alloy additive, and vanadium nitride is used in lithium electronic batteries and energy storage materials.…
Sodium myristate is ultra fine white powder, it has excellent lubricating, dispersing and emulsifying ability.…