Basic information of Scandium

by Izzy X. Product specialist

Scandium (Sc, atomic number 21) is a rare earth element with atomic weight 44.955908. Its melting point is 2,806F (1,541C). The appearance of its metal form is silvery-white while slightly yellowish

Recommended Features

high melting temperature
high conductivity
good flexibility in compound
functional materials
aluminum-scandium alloys

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Application of Scandium
As a component of alloy, scandium is used mainly in aluminum-scandium alloys. Addition of scandium improves the grain refinement of ingots and casting based on certain concentration of scandium. By increasing the recrystallization temperature, the aluminum alloys increase the weldability. It enables the alloys as strong as titanium, as light as aluminum and as hard as ceramic. When used in minor aerospace industry, 0.1% ~2% of scandium was contained in alloys. Aluminum-scandium alloy can also be used in sports equipment due to the physical characteristics.
Meanwhile, scandium is employed in the solid-state synthesis with other metals like Mn, Fe, Ru or Os to show the special magnetic properties.
In lightning areas, scandium iodide is one of the materials to make up metal halide lamp or light bulbs.
Scandium used in 400 nm Sc75Fe25 nanoglass exhibits excellent plastic deformation ability.
Scandium oxide exhibits ac conductivity at temperatures between 4 and 295 K. It is newly found that scandium borocarbide with a layered crystal structure performs superconductivity.

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