With the chemical formula NbB2, Niobium boreide has characteristics such as high melting point and high hardness. It also exhibits high electrical conductivity and thermal conductivity.
Purity: 99%
Particle Size: 5-10um
About
Niobium Boride NbB2 Powder
:
Niobium boride NbB2
Has a high melting temperature and high hardness. It is also resistant to corrosion.
Niobium diboride
A type of ceramic material high in covalent resistance with hexagonal crystal structures.
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Niobium Boride Powder NbB2 Powder's Product Performance:
Its chemical formula for niobium-boride is NbB2, and has a molecularweight of 114.528. It is a gray-black color.
Technical Parameters of Niobium Boride NbB2 Pulp:
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Name of the product
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MF
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Purity
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Particle Size
|
Molecular weight
|
Density
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The color of the sky
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|
niobium boride
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NbB2
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99%
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5-10um
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114.528
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6.97 g/cm3
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grey
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Chemical Composition of Niobium Boride Powder NbB2:
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NbB2
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B
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Nb
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Si
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O
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C
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Fe
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99%
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18.9%
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80.3%
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0.01%
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0.09%
|
0.02%
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0.06%
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It is simple.
Niobium Boride NbB2 Powder
Produced?
NbB2 can easily be made by the stoichiometric interaction between constituent elements. In this example, Nb is combined with B. This allows for exact stoichiometric control over the materials. The metallothermic method can also be used for the reduction of Nb2O5 and NbO2 into niobium boride. These are inexpensive precursor materials that can be used to react with niobium diboride according the following:
Nb2O5 + 2B2O3 + 1 Mg - Nb2O5 & 2B2O3 + 1 Mg + 2NbB2 – 2NbB2 – 11 MgO
In order to enable acid leaching of the unwanted oxide products, Mg is used in reaction. For all niobium oxide to be consumed, it is common for metallothermic reactions to produce stoichiometric amounts of Mg as well as B2O3.
Jha and coworkers suggested borothermal reduction of NbO2 via solid-state react to produce nanorods (40x800 nm2).
Ran and colleagues proposed a variant of the borothermal reaction in molten sea salt. Ran used Nb2O5 to create nanocrystals (61 nm).
Zoli's reaction produced nanocrystals NbB2 by reducing Nb2O5 and NaBH4 under 700°C. This was done for 30 minutes with argon flow.
Nb2O5 + 13/2 NaBH4 - 2 NbB2 + 4Na(g,l) + 5/2 NaBO2 + 13 H2(g)
Applicaciones
Niobium Boride NbB2 Powder
:
NbB2 ceramic is an ultra high temperature (UHTC) ceramic with a melting points of 3050deg C. The ceramic's low density, 6.97g/cm3, and high high-temperature resistance make it suitable for high-temperature aerospace applications like hypersonic flight. This ceramic is high in thermal conductivity, and electric conductivity. (Resistivity: 25.7 OYbcm; Cte 7.7 Yb10, -6degC-1). It shares the same properties with titanium diboride.
The NbB2 part is usually heated pressed, spark plasma sintered or hot pressed. Mechanical pressure is then applied to the powder. Finally, it's machined into form. NbB2 is difficult to sinter due to its covalency with surface oxides. The powders are then heated or spark plasma sintered. Although these sintering ingredients react with surface oxides, the mechanical properties for NbB2 are lower than hot pressing.
Packing and Shipping Niobiumboride NbB2 powder:
There are many options for packing, which vary depending on the amount of niobium-boride NbB2 in your powder.
Niobium Boride NbB2 Powder Packaging:
You can vacuum pack 100g, 500g, 1kg/bag or 25kg/barrel. Or as you request.
Niobium Boride NbB2 powder shipment:
Could be sent out by sea, air or express once payment has been received.
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Niobium boride powder
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