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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  • FAQ Electron Beam Seam Weld of Beryllium Copper to Brass

     "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
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  • FAQ EB Welding BeCu in Continuous Reel to Reel Applications
     "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
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  • FAQ Cleaning of Copper Post-Weld
     "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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  • FAQ The Electron Beam
     "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
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  • FAQ How Electron Beam Welding Works
     "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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  • FAQ Copper with Aluminum Shell Run-Out Problem
     "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
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  • FAQ EB Welding A357 A356 Cast Aluminum
     "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
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  • FAQ Copper-Molybdenum
     "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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