Zirconium Diboride, Formula : ZrB2, Purity : above 99.9%

We are offering zirconium diboride.
zrb2 parts are usually hot pressed (pressure applied to the heated powder) and then machined to shape. Sintering of zrb2 is hindered by the material's covalent nature and presence of surface oxides which increase grain coarsening before densification during sintering.
pressureless sintering of zrb2 is possible with sintering additives such as boron carbide and carbon which react with the surface oxides to increase the driving force for sintering but mechanical properties are degraded compared to hot pressed zrb2.
our zrb2 powder can reach high purity and very small particle size, it's good performance of wear-resisting, refractory and small resistance, makes it a candidate for high temperature aerospace applications such as hypersonic flight or rocket propulsion systems and the surface of bearing balls.
formula: zrb2
particle size: less than 2 micron
purity: above 99.9%
melting point: 3040 centigrade