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In Electron Beam Welding (EBW) heat is generated in the metallic work-piece by a bombardment of a concentrated stream of high-energy electrons. Welding is generally performed in a vacuum chamber under a high (hard) vacuum, or a partial (soft) vacuum. Non-vacuum mode welding is also possible.
EBW can produce deep narrow welds in thick material with minimal heat-input and narrow heat affected zones.
Examples:
- Steel >8 (200mm)thick
- Aluminum >6 (150mm) thick
- Copper >4 (100mm) thick
Suggested additional Reading:
American Welding Society, Welding Handbook, Volume 2 (8th ed.)
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