Electron Beam Welding of TZM Sheets

Markus Stütz; Diogo Oliveira; Matthias Rüttinger; Nikolaus Reheis; Heinrich Kestler; Norbert Enzinger

doi:10.4028/www.scientific.net/MSF.879.1865

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HomeMaterials Science ForumMaterials Science Forum Vol. 879Electron Beam Welding of TZM Sheets

Electron Beam Welding of TZM Sheets

Abstract:

In the scope of this work, 2 mm thick TZM sheet metal is butt welded by electron beam welding (EBW) without filler material and a systematic investigation of the most relevant welding parameters to improve the weld quality is conducted. With the aid of design of experiment (DoE), it is shown that with careful selection of the welding parameters it is possible to considerably reduce the size of the fusion zone and the heat affected zone and the grain size of both. Furthermore, the influence of the parameters on the quality of the weld and the characterizing values ultimate tensile strength and hardness of fusion zone is presented. It is concluded, which parameters influence the quality of the weld and suppress pores and cracks.

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Periodical:

Materials Science Forum (Volume 879)

Pages:

1865-1869

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.879.1865

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Online since:

November 2016

Authors:

Markus Stütz*, Diogo Oliveira, Matthias Rüttinger, Nikolaus Reheis, Heinrich Kestler, Norbert Enzinger

Keywords:

Electron Beam Welding (EBW), Molybdenum, Refractory Metals, TZM

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* - Corresponding Author

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