What is Hafnium Diboride HfB2 Powder Used For?

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Introduction to Hafnium Diboride HafB2 powder

Hafnium diboride

Or HfB2, is a gray-black metallic Luster Crystal. Its crystal structure falls under the hexagonal system.

Hafnium diboride HfB2 powder physicochemical properties


High-temperature ceramic material

HfB2 is very hot (3380). It has high purity, low particle size, uniform distribution and high specific surface activity. 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
CAS 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
Hafnium Diboride HfB2 Powder CAS 12007-23-7

Application 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, aviation 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)?

Ceramics at ultra-high temperatures (UHTC).

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 material 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 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. Current research focuses on heavy early transition 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 thorium dioxide.

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 in the market, and unexpected events.

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