High Purity Tantalum Boride TaB2 Powder CAS 12007-35-1, 99%
Tantalum boride, with the chemical formula TaB2, also called Tantalum diboride, is a gray powder. Tantalum diboride is completely insoluble in acid. Purity>99%
Particle size: 325 mesh
About Tantalum Boride TaB2 Powder :
Tantalum diboride or tantalum boride is a gray powder. Tantalum diboride is completely insoluble in acid, nitric acid and aqua regia. Slightly soluble in hot sulfuric acid and hydrofluoric acid, soluble in molten alkali and sodium carbonate. TaB2 film and crystal Vickers hardness is about 30 GPa.These materials are stable to oxidation and acid corrosion up to 700degC.
TaB2 has the same hexagonal structure as most diborides (Alb 2, MGB2, etc.). It also has the following space groups: TAB (orthogonal-crystal system, iodized ((I), Cmcm), TA5B6 (Cmmm), TA3B4 (IMmm), TAB2 (hexagonal, aluminum diboride) type, P6 / mm2).
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How is Tantalum Boride TaB2 Powder produced?
Under vacuum or cylinder gas protection, the powder is prepared by reacting with the element boron, or the mixture of carbon and oxidizing load and boron oxide is made.
Single crystals of Tab2 (about 1 cm in diameter and 6 cm in length) can be produced by the floating zone method.
Tantalum boride films can be deposited from gas mixtures of Tacl 5-Bcl3-H 2-Ar at temperatures of 540 -- 800 degC.TAB 2 (single phase) is deposited at a feedstock gas flow ratio of six (BCL 3 / TACL 5) and at temperatures above 600degC.TAB (single-phase) was deposited at BCl 3 / TaCl 5 = 2-4 and T = 600-700degC.
Tab2 nanocrystals were successfully synthesized by reducing NaBH 4 to Ta 2O 5 with a molar ratio of 1:4 M: B at 700-900degC under argon.
Ta 2 O 5 + 6.5 NaBH 4 -2 TAB 2 + 4 Na (G, L) + 2.5 NaBO 2 + 13 H 2 (G)
Application of Tantalum Boride TaB2 Powder :
Tantalum boride is a compound of tantalum and boron and is noted for its extremely high hardness. Due to its high hardness, tantalum diboride can be used as high-temperature materials and abrasives, as well as wear-resistant coatings, semiconductor films, electronic materials, ceramic materials, rare earth materials, alloy materials, etc.
Tantalum diboride is a metallic luster crystal with a high melting point, wear-resistance and hardness. It is widely used in the fields of ultra-high temperature ceramic materials, hard materials or composite material reinforcement.
Tantalum diboride also has thermal and electrical conductivity and is used in the chemical industry, metallurgy, building materials, defense industry, agriculture and other departments.
Storage Condition of Tantalum Boride TaB2 Powder:
The damp reunion will affect TaB powder dispersion performance and using effects, therefore, tantalum boride TaB powder should be sealed in vacuum packing and stored in cool and dry room, the tantalum boride TaB powder can not be exposure to air. In addition, the TaB powder should be avoided under stress.
Packing & Shipping of Tantalum Boride TaB2 Powder:
We have many different kinds of packing which depend on the tantalum boride TaB powder quantity.
Tantalum boride TaB powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Tantalum boride TaB powder shipping: could be shipped out by sea, by air, by express, as soon as possible once payment receipt.
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CAS number: 12007-35-1
Molecular formula: TaB2
Molecular weight: 191.76
Mol file: 12007-07-7.mol
Density: 14.2 g/cm3
Melting point: 2040 o
Product name: Tantalum boride
Other name: TANTALUM BORIDE;