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Electron Beam WeldingElectron beam welding (EBW) is a welding process where the energy to melt the material is applied by an electron beam. To avoid dispersion of the electron beam, the workpiece is typically placed in a vacuum chamber, although electron beam welding under atmospheric pressure is also possible. EBW can produce deep narrow welds in thick material with minimal heat-input and narrow heat affected zones. Welds can be made in steel up to 8 inches thick, aluminum up to 6 inches thick and copper up to 4 inches thick. Electron beam welding is an established branch of electron beam technology. References American Welding Society, Welding Handbook, Volume 2 (8th ed.)
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