Heating Components Tungsten Twisted Filament for semiconductor industry

The production of tungsten skeins usually involves several steps:

Tungsten wire selection: Use high-purity tungsten wire as raw material. The wire was selected for its exceptional strength, high melting point and corrosion resistance, making it suitable for use in high temperature applications. Wire annealing: The selected tungsten wire has been annealed to improve its ductility and facilitate the subsequent twisting process. Annealing is heating the wire to a high temperature and then cooling it slowly, which helps remove internal stress and makes the wire more ductile. Twisting process: The annealed tungsten wire is then twisted to form the filament structure. The twisting process is carefully controlled to ensure the required filament dimensions and mechanical properties are achieved. Heat treatment: The twisted tungsten wire is subjected to a heat treatment process to further improve its mechanical properties such as strength and ductility. This step may involve heating the filament to a specific temperature and then cooling it under controlled conditions to obtain the desired metallographic structure. Quality Control and Testing: Throughout the entire production process, quality control measures are implemented to ensure that the tungsten wire meets the required specifications. This may involve testing the filament’s mechanical strength, dimensional accuracy and other key properties. Final processing: Once tungsten strands pass quality control inspections, they may undergo additional processing steps, such as surface treatment or coating application, to enhance their performance in specific applications.

The production of tungsten stranded wire requires precision manufacturing techniques and careful control of material properties to ensure that the resulting wire meets the high temperature requirements and mechanical properties required in applications such as semiconductor manufacturing.

Twisted tungsten filament is commonly used in incandescent light bulbs and various other lighting applications. Tungsten’s unique properties, including its high melting point and excellent thermal conductivity, make it an ideal material for filaments that must withstand high temperatures while maintaining structural integrity during operation. In an incandescent light bulb, electric current is passed through a twisted tungsten filament, causing it to heat up and emit visible light. The twisting of the filament helps increase its surface area, allowing for more efficient heat dissipation and light emission. This design also helps increase the strength and durability of the filament, allowing it to withstand the thermal and mechanical stresses experienced during operation. Tungsten wire is also used in specialty heating elements, electron beam devices, and a variety of high-temperature applications where corrosion resistance and consistent performance at high temperatures are critical.

Overall, the use of stranded tungsten wire plays a vital role in providing reliable, efficient lighting and heating solutions for a variety of industrial, commercial, and residential applications.

Product Name Tungsten Twisted Filament
Material W1
Specification Customized
Surface polished
Technique Sintering process, machining 
Meltng point 3400℃
Density 19.3g/cm3

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