The tungsten-iridium alloy impregnated barium tungsten cathode is a special cathode material. Its main component is tungsten-iridium alloy, and its performance is enhanced by impregnation of barium tungsten.
Specifically, tungsten-iridium alloy is a high-density alloy composed of two metal elements, tungsten and iridium, with the characteristics of high hardness, high melting point, and high density. This alloy performs well in high temperature environments and is not easy to melt and deform, so it is widely used in aerospace, electronic devices and other fields.
The impregnated barium tungsten cathode is based on the tungsten-iridium alloy cathode, and the barium tungsten compound is impregnated into the cathode material through a certain process. The barium tungsten compound has good electron emission performance and can improve the emission current density and stability of the cathode.
Therefore, the tungsten-iridium alloy impregnated barium tungsten cathode combines the high temperature stability of the tungsten-iridium alloy and the excellent electron emission performance of the barium tungsten compound, becoming a high-performance cathode material. It is widely used in various electronic equipment and systems, such as high-frequency oscillators, vacuum tubes, microwave tubes, etc., and plays an important role.
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