Rare earth tungsten alloy pin is an alloy material composed of tungsten and rare earth elements. It has the characteristics of high melting point, high hardness, low conductivity, etc., and is often used to make electrode materials. This electrode material has good electron emission performance and high temperature strength, and can withstand high current density and high temperature, so it is often used in fields such as electron tubes, arc welding, cutting and arc ignition.
When making rare earth tungsten alloy pins, tungsten and rare earth elements need to be mixed in a certain proportion, and then sintering, processing, etc. are performed to finally obtain an electrode material with the required shape and performance. Compared with tungsten-lanthanum alloy electrodes, rare earth tungsten alloy pins have better electron emission performance and high-temperature strength, so they can withstand higher current density and temperature.
It should be noted that rare earth elements are also radioactive to a certain extent, so safety needs to be paid attention to when processing and using them. In addition, due to the higher cost of rare earth elements, the price of rare earth tungsten alloy pins is also relatively high.
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