2020 №01 (06) DOI of Article
2020 №01 (08)

The Paton Welding Journal 2020 #01
The Paton Welding Journal, 2020, #1, 49-53 pages
Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       #1, 2020 (February)
Pages                      49-53

Electron beam welding with programming of beam power density distribution

V.V. Skryabinskyi, V.M. Nesterenkov and M.O. Rusynyk

E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail:

In the existing models of electron beam welding process, the shape and size of penetration zone are determined both by energy parameters and shape of the heat source. Effective control of electron beam power density distribution and, therefore, of the heat source shape is possible by using discrete scans. A procedure and computer program were developed to calculate the power density distribution at discrete scanning of the electron beam, taking into account the coordinates of scan points, relative time of its dwelling in the points and scanning frequency. Joint application of the computer program for calculation of beam power density distribution together with the mathematical model of electron beam welding allows obtaining the set shape and dimensions of the penetration zone. The results of calculation of welding modes and cross-sections of welds with parallel side walls and a large radius of the root rounding at partial penetration of stainless steel samples are presented. The method of calculation of electron beam welding parameters and cross-section of the joint of dissimilar alloys are also given. 11 Ref., 7 Figures.
Keywords: electron beam welding, beam power density, computer-aided design of scans, shape of penetration zone, welding of dissimilar alloys
Received:                07.11.19
Published:               21.02.20


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