Ultra-high temperature borides mainly include hafnium boride (HfB2), zirconium boride (ZrB2), tantalum boride (TaB2) and titanium boride (TiB2), etc.
Spherical hafnium powder fluifity test video: The test result is :11.78s/50g.
1. Research status of supersonic aircraft (1) The calorie problem We know that the high temperature environment experienced by the aircraft is caused by aerodynamic heating, engine gas, and the sun's radiation in space. However, due to airc
Ultra-high temperature ceramics refer to ceramic matrix composite materials that can be used above 1800C and have excellent high-temperature oxidation resistance and thermal shock resistance. Ultra-high temperature ceramics can adapt to ext
The Spherical zirconium carbide powder fluidity test value is:17.44s/50g.
Classification of nitride powder Nitrogen has high electronegativity and can form a series of nitrides with many elements with lower electronegativity, including ionic nitrides, covalent nitrides and metal nitrides. Application of nitride p
Zirconium diboride ceramics are valued and applied in the fields of high-temperature structural ceramic materials, composite materials, refractory materials, electrode materials, and nuclear control materials because of their high melting p
Titanium nitride (TiN) coating and zirconium nitride (ZrN) coating, due to the main elements are in the same group of the periodic table, their coating properties are also very close. However, the price of zirconium nitride is higher than t
Titanium carbonitride Ti(C,N),TiC,TiN
Hafnium is often +4 in the compound, the main compound is hafnium dioxide (HfO2), other common hafnium compounds are hafnium tetrachloride, hafnium hydroxide, hafnium carbide and hafnium boride, among which hafnium dioxide and hafnium tetra