Zirconium Boride (ZrB2)-Powder

Characteristic




Zirconium diboride (ZrB2) is a highly covalent refractory ceramic material with a hexagonal crystal structure. ZrB2 is an ultra high temperature ceramic (UHTC) with a melting point of 3246 °C. This along with its relatively low density of ~6.09 g/cm3 (measured density may be higher due to hafnium impurities) and good high temperature strength makes it a candidate for high temperature aerospace applications such as hypersonic flight or rocket propulsion systems. It is an unusual ceramic, having relatively high thermal and electrical conductivities, properties it shares with isostructural titanium diboride and hafnium diboride.




Chemical formula：ZrB2

Molar mass：112.85 g/mol

Appearance：grey-black powder

Density：6.085 g/cm3

Melting point：~3246 °C

Solubility in water：Insoluble

Crystal structure：Hexagonal, hP3







Application




It can be used as aerospace high temperature resistant material, wear-resistant smooth solid material, cutting tools, thermocouple protection tube and electrode material for electrolysis of molten compounds.Especially suitable for use as a surface for ball bearings.