What is Boron Carbide Powder B4C?

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Boron Carbide Powder Boron carbide, Is hard, shiny and black. While its hardness may be lower than the industrial diamonds, it is more durable than silicon carbide. Boron carbide is more durable than many pottery. The cross-section of the thermal neutron capture cross-section is large, as well as its chemical resistance. It is resistant to hot hydrogen fluoride, nitric acid and other aggressive chemicals. It dissolves in molten alkali, and is insoluble in acid. D204 is the relative density. It ranges from 2.508 to 2.512. The melting point for chocolate is 2350. The boiling point is 3500

Boron Carbide Pulver’s Physical and Chemical Properties
Boron carbide The chemical potential is high and does not react to acid or alkali solutions. It is capable of semiconductor conductivity, wear resistance, neutron absorption and wear-resistance. It is one the most stable acids. It can be found in concentrated and dilute alkaline solutions as well. Boron carbonide is stable at temperatures below 800°C in an air environment.
Some transition metals can coexist with their carbides to achieve special stability. To form metal borides, the transition metals iv to v in the periodic tables react strongly with boron crate powder at 1000 1100. It has been observed that at higher temperatures, boron carbide reacts with transition metals oxides or nitride to produce corresponding boron nutride and borides. This is primarily rare earth and alkaline metal hexaborides.
It has a Mohs Hardness of approximately 9.5, and it is third in hardness after diamond and cubic-boron nitride. This substance is also harder than silicon carbide.
Because of the way it is prepared, boron carbonide forms carbon defects easily. These changes can be made without changing the crystal structure. This often causes the degrading of the material’s physical and chemical properties. This type of defect is difficult to fix by powder diffraction. It often requires chemical titration as well as an energy loss spectrum.
Boron Carbide Powder Properties
Additional Names B4C, Black Diamond, Boron Caride Powder
CAS No. 12069-32-8
Formula compound B4C
Molecular Weight 55.26
Appearance gray black powder
Melting Point 2763degC
Boiling Point 3500degC
Density 2.52g/cm3
Solubility in water Unsolvable
Get the exact Mass N/A
Boron Carbide B4C Powder Cas 12069-32-8

Boron Carbide Powder
Boron carbonide is ideal for processing hard materials such as ceramic wear parts like wear plate, pumps parts and bearings. Specifically,
1. Useful for controlling nuclear fission. Boron carbide absorbs large amounts of neutrons in a non-radioactive manner, which makes it an ideal neutron absorber for nuclear power stations, where neutron absorbing devices control the rate at which nuclear fission occurs.
2. As abrasive materials. Boron carbide has long been used as an abrasive coarse material. Boron carbide is hard to form into artifacts due to its high melting point. But, by melting it at high temperatures it can be made into simpler shapes. This is useful for the grinding, drilling, polishing, and sandblasting of precious stones and alloys.
3. To coat coatings. Boron carbide can be used to coat warships or helicopters with ceramics. It’s lightweight and resists armor-piercing bullets.
4. It is used to make the nozzle. For making gun nozzles in the arms sector. Boron carbide can be extremely hard, wear-resistant and does not react to acid or alkali. Due to its wear resistance and hardness the boron nitride sandblasting tool will eventually replace other materials such as silicon nitride or carbide/tungsten, alumina and zirconia.
5. Others. Boron carbide may also be used for the production of metal borides as well as the melting of sodium, boron alloys and special welding.

Boron Carbide Powder Main Source
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