An electron-beam furnace (EB furnace) is a type of vacuum furnace employing high-energy electron beam in vacuum as the means for delivery of heat to the material being melted.
Electron-beam furnaces are used for production and refining of high-purity metals (especially titanium, vanadium, tantalum, niobium, hafnium, etc.)
[1] The EB furnaces use a hot cathode for production of electrons and high voltage for accelerating them towards the target to be melted.
[2] An alternative for an electron-beam furnace can be an electric arc furnace in vacuum.
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