Tungsten

material · 1783 · Industrial Revolution

The most refractory metal; lamp filaments.

Inventors: Juan José Elhuyar, Fausto Elhuyar.

Where it is used

• Incandescent light bulb — is material for. A tungsten filament (since 1904–1910).
• Welding — is used in. TIG welding uses a tungsten electrode.
• Halogen lamp — is material for. Tungsten.
• Cemented carbide — is material for. Tungsten carbide.
• High-speed steel — is material for. Tungsten.
• Vacuum tube — is material for. The cathode is a tungsten filament.
• Triode — is material for. The filament is tungsten.
• Plasma cutting — is material for. The electrode is tungsten or hafnium.
• Ion thruster — is material for. The cathodes are tungsten.
• Mammograph — is material for. The tube anode is molybdenum or tungsten.
• Vibration motor — is material for. The eccentric weight is tungsten.

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