Electron Beam Welding

20220508-03
Optimization of electron beam welding of Ti-6Al-4V thin plates
Lilyana S. Koleva, Asya Lozeva, Elena G. Koleva

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In this paper the electron beam welding of Ti–6Al–4V thin plates is simulated by implementation of a moving linear heat source model. The simulation results are used for estimation of regression models for the dependencies ...  read more

20220508-04
Simulation of electron beam welding of Inconel 718 thin plates
Lilyana S. Koleva, Natalia Hristova, Elena G. Koleva

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In this paper the simulation of electron beam welding of Inconel 718 thin plates by a moving linear heat source is considered. Regression models for the molten pool geometry characteristics, depending on the electron beam ...  read more

20220508-05
Robust model-based multicriterial optimization strategies for electron beam welding of Steel 45
Elena G. Koleva, Lilyana S. Koleva

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In this paper an experimental study of the geometrical characteristics of the cross-sections of the thermally affected areas obtained by electron beam welding joints of carbon steel grade 45 is made. The thermally affected ...  read more

20210912-02
Process parameter optimization of electron beam melting and refining of titanium
Elena G. Koleva, Lilyana S. Koleva, Volodia V. Dzharov, Boriana S. Spasova

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The mechanical properties bending strength and modulus of elasticity in bending of a new type plywood for construction, based on black locust wood, have been investigated in relationship with the bonding technological factors. ...  read more

20190506-04
Welding in space and in vacuum chambers
Georgi M. Mladenov, Elena G. Koleva, Dmitriy N. Trushnikov

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This paper presents literature analysis of available sources on the Internet and the experience of the authors, describing the characteristic technologies of vacuum welding on earth and in space in the presence of weightlessness ...  read more

20180910-03
Comparison of electron beam and laser welding for safety critical space applications
Tim Mitchell, Chris Allen, Andrew Norman

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Recent work completed for ESA and Ariane Group performed a comprehensive comparative assessment of laser and electron beam processes, targeting stainless steel flow control valve materials and typical penetrations to determine ...  read more

20180910-05
Model-based approach for the shape estimation of electron beam welding joints
Tsvetomira S. Tsonevska, Elena G. Koleva, Georgi M. Mladenov

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This article discusses a modeling approach for the obtained by electron beam welding molten pool shapes, which is based on experimental data, type mathematical function and regression analysis. The process of electron beam ...  read more

20140506-16
Prediction of the Partial Penetration Depth on 15-5PH Materials during Electron Beam Welding
Kamal Frikach, Jamie White, Jeff Houtz

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We report in this paper a systematic study for partial penetration of the electron beam welding and its correlation with the beam power as a combination of beam voltage and current, welding speed and working distance. The ...  read more

20140506-15
Electron Beam Welding of Superconducting Cavities Made of Ultra-Pure Niobium
Igar L. Pobal, Siarhei V. Yurevich

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Manufacture of superconducting radiofrequency (SRF) cavities for modern accelerators requires ultra-purity niobium. Joining components of such cavities is only possible with the use of electron-beam welding. Investigations ...  read more

20140506-14
Influence of Electron Beam’s Oscillations on Weld’s Structure Formation of Dissimilar Materials on an Example Steel with Bronze
Tatiana V. Olshanskaya, Gleb L. Permyakov, Vladimir Y. Belenkiy, Dmitriy N. Trushnikov

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The results of metallographic studies of dissimilar materials welds joint’s structure are presented. Welds were obtained from steel (12Х21Н5Т in Russian) and bronze (БрХ-06 in Russian), using EBW with the oscillation ...  read more