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Niobium target
Description
Niobium is a kind of refractory rare metal with a steel-gray luster. Its melting point is 2467℃ and its density is 8.6g/cm3. Niobium has good low-temperature plasticity and can be cold-pressed into rods, sheets, wires and other products. Niobium can withstand high temperature and high strength, and still has sufficient strength, plasticity and thermal conductivity above 1000°C. Superconductivity is best at extremely low temperatures. For example, its resistance is close to zero at minus 260°C. It is currently the most important superconducting material.
Application
Niobium and high-temperature niobium-tungsten alloy materials are widely used in aerospace engines, weapon propellers, rocket missile liquid two-component engines, nuclear reactors, submersibles, gas turbines, automobile engines, diesel engines, high-temperature furnace heating belts, high-temperature molds, high-temperature fixtures And the manufacture of high-temperature crucibles. Specification size Thickness (0.15~6.0)mm × width (50~300)mm×length (50~1000)mm, customer's special size and requirements can be negotiated
Chemical composition
|
Brand |
Chemical composition ，≯（%） |
||||||
|
Nb1 |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Cr |
|
0.005 |
0.005 |
0.005 |
0.010 |
0.010 |
0.002 |
0.002 |
|
|
O |
C |
H |
N |
Ta |
Nb |
|
|
|
0.020 |
0.020 |
0.001 |
0.01 |
0.10 |
Matrix |
|
|
|
Nb2 |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Cr |
|
0.01 |
0.005 |
0.005 |
0.020 |
0.010 |
0.005 |
0.005 |
|
|
O |
C |
H |
N |
Ta |
Nb |
|
|
|
0.040 |
0.030 |
0.005 |
0.025 |
0.25 |
Matrix |
|
|
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