Application of scandium Sc in new materials filed
Because of its special physical and chemical properties, scandium has been used in the preparation of aluminum-scandium alloy, fuel cell, scandium sodium halogen lamp, tracer, laser crystal and other products, and has a broad application prospect in the fields of special steel, nonferrous alloy, high-performance ceramics, catalysts and so on.Among many applications, aluminum-scandium alloy, fuel cell and scandium sodium halogen lamp have the largest demand for scandium products.The application of scandium in new materials is shown as in Table , and the details are as follows.
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Application |
Function |
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Scandium Aluminum Alloy |
The addition of scandium in aluminum can effectively improve the properties of the alloy, and improve the strength, hardness, heat resistance, corrosion resistance and weldability. |
|
Solid Fuel Cell |
As the electrolyte material of solid oxide fuel cell, Sc stabilized cerium zirconium powder achieves high conductivity at low temperature and improves the performance of the battery. |
|
|
The new type of gadolinium gallium scandium laser material with scandium added can increase its emission power by 2~4 times, and is well used in the military industry. |
|
Electric Light Source Material
|
Sc sodium halogen lamp is high pressure vapor due to arc discharge and light, has the advantages of high brightness, good light color, power saving, long life, fog breaking ability and so on. |
|
Special Steels and Nonferrous Alloys
|
Scandium can significantly improve the properties of steel castings.Scandium can significantly improve the oxidation resistance of nickel, chromium and tungsten based heat resistant superalloys.Scandium can greatly improve the tensile strength of the weld of high chromium alloy. |
|
Other Material Fields |
The magnetic properties of yttrium iron garnet can be improved by adding a small amount of scandium.Sc carbide is a high temperature resistant material, can be used in semiconductor devices, etc. |
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