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5155 |
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Wednesday, March 22, 2017, Hall Ford 2:00 PM Additive Manufacturing I |
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Additive manufacturing using non-vacuum electron beam technology |
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Georgii Klimov* / Leibniz Universität Hannover IW - Unterwassertechnikum, Germany Nils Murray / Leibniz Universität Hannover, Institute of Materials Science, Germany Alexander Beniyash/ Leibniz Universität Hannover, Institute of Materials Science, Germany A. A. Bataev/ Leibniz Universität Hannover, Institute of Materials Science, Germany O.G. Lenivtseva/ Leibniz Universität Hannover, Institute of Materials Science, Germany Thomas Hassel/ Leibniz Universität Hannover, Institute of Materials Science, Germany |
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Additive manufacturing (AM) is an emerging manufacturing process that offers the potential for dramatic reductions in the use of metal to generate geometric shapes for manufactured products. Laser and vacuum electron beam have so far been successfully introduced for this new type of manufacturing. The application of the atmospheric electron beam is currently not yet known for additive manufacturing. Research conducted at the Institute of Materials Science shows promising results for non-vacuum electron beam additive manufacturing (NV-EBAM). The material is fed as a wire. The application of EBAM offers not only the reduction in material costs but can also reduce lead and processing times (up to 80%). This may combine the advantages of the EB technology - high power, high power density and accurate control - to produce large three-dimensional structures with good quality in near net shape. Almost all electron beam applications in vacuum have considerable side time and part size limitations. By applying NV-EB technology large vacuum chambers can be avoided so that the rate of production of a component can be increased and the cost of the manufacturing process is reduced. Experimental results will be presented and future developments and opportunities will be discussed. |