Tungsten Filament Used in Incandescent Bulbs

tungsten filament used in incandescent bulbs is mainly used as a filament in incandescent lamps. Incandescent lamps use the thermal radiation emitted by visible light to heat tungsten to an incandescent state. The filament in an incandescent bulb is made of a superfine tungsten filament.
The normal operating temperature of the lamp reaches more than 2000℃, which is not enough to reach the melting point of tungsten wire 3370℃, but this high temperature can make some of the surface atoms of tungsten wire evaporate.

tungsten filament used in incandescent bulbs is chemically very stable, strong oxidation resistance, and does not change with other substances in the air, thus increasing the service life of tungsten bulbs.

1. Tungsten wire has a very high melting point, making it resistant to damage from high temperatures.
2. It has a high tensile strength, allowing it to withstand significant forces without breaking.
3. Tungsten wire is very durable and long-lasting, making it an ideal material for high-performance applications.
4. It has low thermal expansion, meaning it maintains its shape and size even when exposed to extreme temperature changes.
5. Tungsten wire has low vapor pressure, making it suitable for use in vacuum and high-pressure environments.
6. It has excellent resistance to corrosion and chemical reactions, making it an ideal material for use in harsh chemical environments.

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