Introduction to Hafnium Diboride HafB2 powder
Hafnium diboride
Or HfB2, is a gray-black metallic Luster Crystal. It is part of the hexagonal crystal system.
Hafnium diboride HfB2 powder physicochemical properties
Excellent!
High-temperature ceramic material
HfB2 is very hot (3380). It has high purity, small particle sizes, uniform distribution and high specific surface area. Hafnium Diboride reacts nearly completely at room temperature with all chemical agents except HF.
| Hafnium Diboride HfB2 Powder Properties | |
| Other Names | hafnium boride, HfB2 powder |
| No. | 12007-23-7 |
| Formula compound | HfB2 |
| Molecular Weight | 200.112 |
| Appearance | black powder |
| Melting Point | 3250 degC |
| Boiling Point | N/A |
| Density | 10.5g/cm3 |
| Solubility of H2O | N/A |
| Exact Mass | 201.965161 |
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 aviation, among other fields, 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 investigated as materials for thermal protection (TPS), for coatings that withstand high temperature and for bulk materials heating elements.
In the 1960s, the growing aerospace industry required high-temperature materials. The AIR Force Materials Laboratory began funding the development of a new material to withstand 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. The focus of current efforts is 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 carbide. Tantalum carbide is (TaC) and other related composites.
Diborides have a higher thermal conductivity and lower melting points than carbides or nitrides. This gives them excellent thermal shock resistance, making them suitable for high-temperature applications.
Hafnium Diboride HfB2 Powder Price
The price of Hafnium diboride (HfB2) powder is affected by many factors, including market trends, the supply and the demand, and unexpected events.
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