2018 №08 (02) DOI of Article
2018 №08 (04)

The Paton Welding Journal 2018 #08
The Paton Welding Journal, 2018, #8, 13-21 pages

Complex for investigation of arc welding processes

Yu.N. Saraev1, A.G. Lunev1, A.S. Kiselev2, A.S. Gordynets2 and M.V. Trigub3

1Institute of Strength Physics and Materials Science of SB RAS 2/4 Akademicheskaya Ave., 634055, Tomsk, Russia. E-mail:
2National Research Tomsk Polytechnic University 30 Lenin Ave., 634004, Tomsk, Russia. E-mail:
3V.E. Zuev Institute of Atmospheric Optics of SB RAS 1 Acad. Zuev Sq., 634055 Tomsk, Russia. Email:

The work presents the results of development and manufacture of a unique research complex for investigation of fast processes of heat-mass transfer in consumable electrode arc welding. Advantages of the developed complex over the traditionally applied ones using film and video cameras with shadow principle of registration of heat-mass transfer characteristics are shown. Fast processes were studied with application of high-speed video recording with illumination of the arc gap by Cu–Br laser beam, improving visualization of the studied object — the process of melting and transfer of each drop of electrode metal under the conditions of intensive light of the electric arc. The paper contains explanatory diagrams, control algorithms, video frames of a separate welding microcycle, examples of oscillogram-recording and graphical representations of changes in their quantitative values. 13 Ref., 1 Table, 14 Figures.
Keywords: welding, surfacing, video filming, melting, heat-mass transfer, laser, control, stability, electric arc, consumable electrode welding
Received:                27.06.18
Published:               01.10.18
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