Pure Tungsten Wire
1. Incandescent light bulbs
2. Industrial heating
3. Filament wire
4. Medical equipment
5. Electrical contacts
6. Aerospace and defense
7. Jewelry
8. Chemical applications
Product Introduction
Products Description
Tungsten wire resistivity is 5.3*10^-8, tungsten high melting point, high resistivity, good strength, low vapor, is made of all pure metals incandescent filament
The best material. But tungsten is hard and brittle and difficult to process. When the current is heated to a certain temperature through the tungsten wire, the resistance value of the tungsten wire increases to a certain value (generally, the resistance value of a wire increases with the temperature). At room temperature, the resistance should be 1370℃-2000℃. However, when the length of the cross-sectional area of the tungsten wire changes, the resistance value will change. In 1909, Coolidge invented the process of processing tungsten wire, which played a decisive role in the production and popularization of the incandescent light bulb, the basic principles of which are still used today.
Application
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1. Incandescent light bulbs: Tungsten wires are a key component of incandescent light bulbs, as they are used as filaments to emit light when heated. 2. Industrial heating: Tungsten wires are used for industrial heating applications, such as welding, brazing, and melting. 3. Filament wire: Tungsten wire is used as a filament wire for electron microscopes, X-ray machines, and other high-temperature applications. 4. Medical equipment: Tungsten wire is used in various medical equipment, including radiography equipment, radiation shields, and implantable devices. 5. Electrical contacts: Tungsten contacts are used in electrical switches and relays, due to their high durability and resistance to wear and tear. 6. Aerospace and defense: Tungsten wire is used in aerospace and defense applications, including missile systems, navigational equipment, and military-grade electronics. 7. Jewelry: Tungsten is a popular material for making jewelry, as it is strong and durable, and can be used to create intricate designs. 8. Chemical applications: Tungsten wire is used in chemical applications, including catalysts, electrodes, and thermocouples, due to its high melting point and resistance to corrosion.
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