Product Name: Niobium diboride (NbB2)
Specification: 0.8-10um (D50)
Appearance: Irregular
Color: Black Grey
Features: high melting point, good metallic conductivity, high hardness, good electrical and thermal conductivity, resistance to molten metal erosion, superconductivity, radiation resistance
Usage: Fine ceramic raw materials, superconducting materials, gold brazing materials, nuclear waste treatment, microelectronics manufacturing and other fields
Niobium diboride (NbB2) is a highly covalent refractory ceramic material with a hexagonal crystal structure. NbB2 is an ultra-high temperature ceramic (UHTC) with a melting point of 3050 ° C, lattice constants of a=0.310nm, c=0.330nm, and hardness (kg/mm2) of 2600. In addition, its relatively low density of~6.97 g/cm3 and good high-temperature strength make it a candidate for high-temperature aerospace applications, such as hypersonic flight or rocket propulsion systems.
Packaging and storage:
This product is packaged in an inert gas filled plastic bag, sealed and stored in a dry and cool environment. It should not be exposed to air to prevent moisture and oxidation aggregation, which may affect dispersion performance and usage effectiveness; The packaging quantity can be provided according to customer requirements and divided into smaller packages.
Synthesis method:
After mixing elemental boron and elemental niobium in proportion, niobium diboride is synthesized by heating in two stages.
Function and application areas:
Used as a raw material for fine ceramics and superconducting materials. Among superconducting materials, only NbB exhibits high superconducting transition temperature performance. At the same time, niobium diboride is a raw material for gold brazing materials. After brazing with refractory metal NbN, the wetting and spreading properties are good, the flowability of the solder is good, the filling ability is strong, and the high-temperature strength of the weld is good.
