Tungsten Rhenium Wire
rhenium tungsten wire Something about rhenium tungsten wires Once the tungsten wire is recrystallized after being used at a high temperature, it becomes very brittle and is easily broken under shock or vibration. In some electric light source products requiring high reliability, in order to...
Send InquirySomething about tungsten rhenium wires
Once the tungsten wire is recrystallized after being used at a high temperature, it becomes very brittle and is easily broken under shock or vibration. In some electric light source products requiring high reliability, in order to prevent the filament from breaking, rhenium is often added to the doped tungsten wire, which is called tungsten rhenium wire, and the alloy contains 1%~5% of rhenium, in addition, and Silicon, aluminum, and potassium are added to improve the high temperature performance of the material. It can lower the brittle transition temperature of tungsten to room temperature or below.
Advantages
High strength both in room temperature and high temperature;
Good remodeling and high electrical resistivity after recrystallization,Low resistivity,resistance to oxidation and carbonization, strong resistance to "water circulation reaction" and good welding performance.
Application of rhenium alloy
Used in color picture tube filaments, various tube filaments and grids.
1. Production of tungsten filament lamps with special requirements, chromatographic heat sensitive components;
2. Used to manufacture heating wire mesh for TV heating and picture tube and camera tube;
3. For military electronic equipment.
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