Tantalum covers the supply of this refractory metal in forms including sheet, rod, wire, tube, and powder, used in aerospace for high-temperature structural components, capacitors in avionics systems, and corrosion-resistant coatings, with processing routes encompassing electron-beam melting, powder metallurgy, and CVD deposition to exploit its high melting point, density, and chemical inertness.
Who really supplies this sector?
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