|
Element Introduction |
Elemental Property |
||
|
Chinese Name |
Niobium |
Coefficient of Expansion |
（25℃）7.3μm·m-1·K-1 |
|
Molecular Formula |
Nb |
Thermal Conductivity |
53.7W·m-1·K-1 |
|
CAS.No |
7440-02-1 |
Electrical Resistivity |
（20℃）152nΩ·m |
|
State of Matter |
Solidity |
Young's Modulus |
105GPa |
|
Density |
8.57·cm³ |
Shear Modulus |
38GPa |
|
Fusing Point |
2477℃ |
Bulk Modulus |
170 GPa |
|
Boiling Point |
4744℃ |
Mohs Hardness |
6.0 |
|
Heat of Fusion |
30 kJ·mol-1 |
Brinell Hardness |
836Mpa |
|
Heat of Vaporization |
689.9 kJ·mol-1 |
Magnetic Sequence |
Paramagnetism |
|
Specific Heat Capacity |
24.60 J·mol-1·K-1 |
Crystal Structure |
Body-centered cube |
Semiconductor Field
Niobium targets can be used to manufacture transistors, integrated circuits, flat panel displays and other semiconductor devices. Niobium products have good chemical stability and conductive properties, and can play a good role in the semiconductor manufacturing process, to ensure the stability and reliability of the device.
Coating Field
The niobium target can be used as a PVD (physical vapor deposition) coating material for the surface treatment of metals, ceramics and other materials to form a wear-resistant and corrosion-resistant protective layer. Niobium products show good film forming properties and chemical stability during the coating process, which can improve the hardness, adhesion and corrosion resistance of the coating.
Medical Field
Niobium targets are used in medical devices, such as artificial joints, dental materials, etc. Niobium products have good biocompatibility, corrosion resistance and fatigue performance, which can effectively improve the safety and reliability of medical equipment.
Space Field
Niobium targets are widely used in aerospace fields, such as rocket engine nozzles, high-temperature alloys, etc. Niobium products have good high temperature strength and corrosion resistance, and show good stability and reliability under extreme environment.
