Introduction to Hafnium Diboride HafB2 powder
Or HfB2, is a gray-black metallic Luster Crystal. It belongs to the hexagonal crystal system.
Hafnium diboride HfB2 powder physicochemical properties
High-temperature ceramic material
HfB2 is very hot (3380). It is highly pure and has small particle sizes, uniform distributions, large specific surface areas, low loose densities, high conductivity, and other stable chemical properties. At room temperature, hafnium Diboride reacts almost entirely with all chemical agents except HF.
|Hafnium Diboride HfB2 Powder Properties|
|Other names||hafnium boride, HfB2 powder|
|Melting Point||3250 degC|
|Solubility of H2O||N/A|
Applications of Hafnium Diboride HafB2 powder
Hafnium Diboride is known for its high hardness and modulus, high thermal conductivity, high electrical conductivity, as well as high electrical conductivity. High-temperature ceramics, high velocity aircraft nose cones and aerospace are the main uses of hafnium diboride. It could be used as a candidate material for high temperature ceramics.
What is Ultra-High-Temperature Ceramics (UHTCs)?
Ultra-high temperature ceramics
Refractory is a class that has excellent stability at temperatures exceeding 2000°C. They are being studied as materials for thermal protection (TPS), for coatings that can withstand high temperature and for bulk materials heating elements.
In the 1960s, the aerospace industry was looking for high-temperature materials. The AIR Force Materials Laboratory began funding the development of a material capable of surviving the environment of hypersonic aircraft like the Boeing X-. The fire resistance of binary ceramics was studied in detail. They found that the early transitional metals borides and carbides had remarkable thermal conductivity, resistance to oxidation, and good mechanical strength. ZrB2 & HfB2 are the most effective composites containing around 20% SiC.
UHTC, broadly speaking, is a boride and carbide, an oxide, nitride or nitride of early-transition metals. Current research focuses on heavy early transitional metal borides like zirconium triboride (ZrB2) and hafnium Diboride (HfB2). Other UHTC that are being considered for TPS applications include titanium carbide, titanium nitride and zirconium oxide (ZrN), hafnium triboride (HfN), hafnium dioxide (ThO2) as well as titanium nitride and titanium nitride.
The thermal conductivity of diborides is higher than that of carbides or nitrides. They also have lower melting points, making them suitable for high-temperature applications.
Hafnium Diboride HfB2 Powder Price
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