Zirconium-boride is an organic chemical compound with the formula ZrB2. In nature, grey hard crystals. Zirconium Boride has three main components: zirconium Monoboride, zirconium Diboride, and Zirconium Triboride. Purity>99%
Particle Size : 325 mesh
Zirconium Diboride, ZrB2 powder:
Zirconium-boride, is a chemical compound.
Zirconium-boride's chemical formula ZrB2 is. Nature gray hard crystals. Three components make up zirconium boride:
monoboride,
diboride, and
tribromide. Only zirconium Diboride can be stable across a large temperature range. The main industrial production relies on zirconium.
Zirconium dioxide comes in hexagonal or gray crystals, powders, and has a melting temperature of 3040degC. High-temperature resistant, high strength in both room temperature and at high temperatures. Low resistance, high resistance, and anti-oxidation. The melting point is around 3000degC. Metallic luster.
Zirconium boride ZrB2 consists of a highly covalent ceramic material that has a hexagonal structure. ZrB2 is a high-temperature ceramic with a melt point of 3246degC. With a density of only 6.09 g/cm3 and a high temperature strength of over 1800degC (the density measured may be higher because ha impurities are present), it is ideal for high-temperature aerospace application, including hypersonic or rocket propulsion.
It is a ceramic that has a high thermal conductivity, good thermal shock resistance and similar characteristics to titanium diboride. ZrB2 has a high thermal conductivity of >50 W/m/K, is inert to molten steel, is thermal shock resistant, and can pass basic ceramic molding.
ZrB2 components are typically hot-pressed by applying pressure to the heated material and then machining to shape. ZrB2 is unable to sinter due to the covalent properties of the material, and the surface oxides. The surface oxides present will cause the crystal grains to be coarser, before they become denser during the sintering procedure. ZrB2 may be sintered without applying pressure. Sintering additives including boron-carbide and carbon will react to surface oxides in order to increase the driving force.
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Properties Of Zirconium Diboride Powder ZrB2 Powder CAS 12045-64-6
Formula moléculaire : ZrB2
Molar mass: 112.85 g/mol
Appearance: grey-black powder
Density: 6.085 g/cm3
Melting point: 3246 degC
Solubility of water: Insoluble
Hexagonal crystals: hP3
Space group: P6/mmm No. 191
Zirconium Diboride ZrB2: Features
TiB2, ZrB2, HfB2, VB2, NbB, NbB2, TaB, TaB2, CrB2, Mo2B5, W2B5, Fe2B, FeB, CoB, Co2B, NiB, Ni2B, Ni2B, LaB6, UB4, UB2.
Zirconium diboride is a highly covalent ceramic material that has a hexagonal structure. ZrB2 is a ceramic ultra-high temperature (UHTC), with a melt point of 3246°C. The combination of its low density, 6.09g/cm3, and high temperature strength make it a good candidate for aerospace applications involving high temperatures such as hypersonic flights or rocket propeller systems. It is a ceramic with unusually high thermal conductivity and electrical conductivity. These properties are shared by isostructural hafnium dioxide and titanium diboride.
How are and
Zirconium Diboride Powder ZrB2 produced?
By metal thermal reduction, ZrO2 or HfO2 is reduced to respective diboronsilanes. Use inexpensive precursor materials, and react in accordance with the following reactions.
ZrO 2 + B 2 O 3 + 5Mg-ZrB 2 + 5MgO
The materials required for the boron thermal reaction and stoichiometric reactions are more expensive. Prepare ZrB2 for at least one hour at a temperature greater than 1600degC by the following reaction
2ZrO2 + B4C + 3C-2ZrB2
This method is required to have a slight surplus of boron as some boron gets oxidized by the boron-carbide reduction process. ZrC was also produced by the reaction. However, when the reaction was carried out with an excess of 20-25% B4C the ZrC phase disappeared and only ZrB2 remained. UHTC produced at the lowest synthesis temperatures (1600degC), will be of finer dimensions with better sinterability. To promote oxide reduction and diffusion, boron carbide must be ground prior to boron-carbide reduction.
You can disperse ZrO2 on the boron polymer before reaction. in. Heat the reaction mixture up to 1500degC to form boron carburide and carbon, followed by the reduction of ZrO2 into ZrB2.
If the substrate temperature is greater than 800degC the gas phase is used for the reduction of the zirconium and boron chloride vapors. Recent developments have allowed alternative ZrB2 layers to be produced by physical vapor deposit.
Applications for Zirconium Diboride ZrB2 Poudre ?
Zirconium is diboride, which has high hardness and thermal conductivity. Zirconium is used for a variety of industries including the ceramic refractory industry, nuclear industry aerospace industry and military industry. Zirconium can be used for a surface coat on rolling balls and solid materials.
Composites with carbon fiber reinforced zirconium boride show a high density. However composites with silicon carbide fibre-reinforced diboride are brittle, and can suffer catastrophic damage.
Zirconium diboride can be used in thin-film electronics for sensors and actuators that operate at high temperatures. This is because ZrB2 has a metal-like conduction and a melting temp of 3245degC.
Zirconium Diboride ZrB2:
The zirconium dioxide powder is used for the manufacture of ceramic materials.
(2) Zirconium diboride can be used as neutron absorber.
Use zirconium powder as a coating that is resistant to abrasion.
The zirconium dioxide powder is suitable for use as a crucible liner and in anticorrosive chemicals.
As an antioxidation compound, zirconium powder diboride can be used.
(6) Zirconium Diboride Powder can be used to make a refractory, and is especially useful in anticorrosion for molten metallic materials.
(7) Zirconium Diboride Powder can be used to enhance the thermal performance of an additive.
Use zirconium-diboride powder for high-temperature resistance.
(9) Zirconium diboride can be used in a special dope to protect against corrosion, high temperatures and oxidation.
Store Zirconium Diboride Powder ZrB2 in the following conditions:
The ZrB2 ZrB2 is affected by damp reunion. Therefore, it should be packed in vacuum and kept in a dry and cool room. ZrB2 Powder should not be exposed to stress.
Shipping & Packing of Zirconium Diboride ZrB2:
The packaging depends on the amount of zirconium dioxide ZrB2 powder.
Zirconium diboride ZrB2 powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Zirconium Diboride ZrB2 shipping: can be shipped by sea, air or express as soon as payment receipt.
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