Tungsten wire is widely used in high-temperature industrial furnaces, mainly due to its excellent high-temperature performance and corrosion resistance. The following are several key aspects of the application of tungsten wire in high-temperature industrial furnaces:
- High melting point
High melting point: The melting point of tungsten is about 3422°C, which enables it to maintain structural stability under high temperature conditions and is not easy to melt or deform.
High temperature resistance: Tungsten wire can work for a long time at extremely high temperatures, making it very suitable for industrial furnaces that require high-temperature treatment.
- Excellent electrical conductivity and thermal conductivity
Electrical conductivity: The electrical conductivity of tungsten is very high, so in electric heating furnaces, tungsten wire is often used for heating elements, which can effectively convert electrical energy into thermal energy.
Thermal conductivity: The high thermal conductivity of tungsten helps to quickly and evenly distribute heat during the heating process.
- Corrosion resistance
Chemical stability: Tungsten exhibits good corrosion resistance to many gases and chemicals at high temperatures, making it suitable for environments that require handling corrosive gases or liquids.
- Application areas
Arc furnaces and induction furnaces: Tungsten wire can be used in electrodes in arc furnaces and induction furnaces to help generate high temperatures to melt metals.
Vacuum furnaces: In vacuum furnaces, tungsten wire can be used for heating elements because it does not oxidize in a vacuum environment and can provide stable heating.
Atmosphere furnaces: Tungsten wire can also be used in hydrogen, nitrogen or other atmospheres for heat treatment and sintering processes.
- Preparation of high-purity materials
High-temperature sintering: Tungsten wire is often used in high-temperature sintering furnaces to synthesize high-purity materials such as ceramics and metal alloys.
High-temperature processing: When performing high-temperature processing, tungsten wire can be used to heat samples to ensure uniform temperature distribution.
- Special uses
Radiation heating: In some special applications, tungsten wire can be used for radiation heating, using its radiation properties at high temperatures to heat materials.
Heating element: Heating elements made of tungsten wire can maintain long-term stable performance in high-temperature furnaces and are often used in heat treatment equipment in industrial production.
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