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Introduction to Hafnium Diboride HafB2 powder

Hafnium diboride

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, high loose density, high conductivity, good chemical properties, and high purity. 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
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

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 and high-speed aircraft nose cones 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 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). For TPS applications, there are also UHTC being researched for hafnium triboride (HfN), zirconium nuitride(ZrN), and titanium carbide.

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

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