2018 №10 (07) DOI of Article
2018 №10 (02)

Automatic Welding 2018 #10
Avtomaticheskaya Svarka (Automatic Welding), #10, 2018, с. 3-10

Mathematical modeling of the process of heating metal in flash-butt welding

S.I. Kuchuk-Yatsenko, A.S. Milenin, E.A. Velikoivanenko, E.V. Antipin, A.V. Didkovsky

E.O. Paton Electric Welding Institute of the NAS of Ukraine, 11, Kazimir Malevich str., 03150, Kiev, Ukraine. E-mail: office@paton.kiev.ua

In the last decade, an urgent and practically significant problem has been producing of high-quality joints of high-strength steels and alloys. For its solution the technologies are required which are distinguished by a high-concentration heating at a minimum energy input, including flash-butt welding of rails. To solve this problem, a mathematical model of the process of heating metal in flash-butt welding was developed. The model allows avoiding labor-consuming and expensive experiments and significantly expanding the range of searching the ways of optimizing at a multifactor control of welding parameters, affecting, in particular, the formation of the temperature field in flash-butt welding of rails. 8 Ref., 12 Fig.
Keywords: continuous flashing, single contact, mathematical modeling, flash-butt welding, current density, efficiency coefficient, crater depth, spark gap, rail

Received: 28.09.2018
Published: 25.10.2018

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