Frequently Asked Questions

This page is a forum for Questions and Answers about Electron Beam (EB) Welding. It is a resource for existing EBW users or by those interested in EB Welding as a joining process. If you would like to add a question about a particular application, system feature or the electron beam welding process in general please submit it here. Questions and answers will be posted.

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  •  "IS IT POSSIBLE TO SEAM WELD BERYLLIUM TO BRASS AND GET A HERMETICALLY SEALED JOINT?"
    Not likely. Most beryllium coppers (except for free machining grades) will weld fine, but here it's the
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  •  "CAN YOU ELECTRON BEAM BUTT WELD .007" THICK BeCu TO .025" THICK BeCu CONTINUOUS STRIP FOR REEL TO REEL APPLICATIONS?"
    Yes, these materials can be electron beam welded. However an EB Welding
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  •  "IS THERE A PROCEDURE TO CLEAN COPPER AFTER A WELD? HOW CAN IT BE DE-OXIDIZED?"
    First and foremost, it depends on what your customer specifications will allow. In the most critical of
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  •  "WHAT IS AN ELECTRON BEAM?"
    In an electron beam welder, electrons are “boiled off” as current passes through a filament which is in a vacuum enclosure. An electrostatic field, generated by a
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  •  "HOW DOES THE PROCESS WORK?"
    When fast moving electrons hit a metal surface they are decelerated which transofrms the kinteic energy of each individual electron in the beam into thermal
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  •  "WE ARE PERFORMING A LINEAR (CONE SHAPED) WELD IN COPPER WITH AN ALUMINUM SHELL USING A CIRCLE BEAM PATTERN GENERATOR HOWEVER WE ARE FACING SOME PROBLEMS. AFTER THE WELD WE NEED THE RUN-OUT OF ALUMINUM CONE TO BE NEAR 150 MICRONS BUT DUE
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  •  "CAN ELECTRON BEAM WELDING BE USED TO WELD A357 OR A356 CAST ALUMINUM PARTS?"
    Yes, these cast aluminum alloys can be electron beam welded. Care must be taken as to the quality of the cast
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  •  "WE NEED TO JOIN COPPER-MOLYBDENUM TO COPPER BARS OF THE SAME DIAMETER. WE CURRENTLY BRAZE BUT HAVE TROUBLE OBTAINING 100% FILL RATES. WE HAVE LOOKED AT EB WELDERS AND THEY LOOK PROMISING. HOWEVER, WE EXPECT THAT THEY WOULD BE COST
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