MATEC Web Conf.
Volume 298, 2019International Conference on Modern Trends in Manufacturing Technologies and Equipment: Mechanical Engineering and Materials Science (ICMTMTE 2019)
|Number of page(s)||5|
|Published online||18 November 2019|
Electro-slag heating of parts surfaces by welding of protective coatings by the method of immersion
IME - Subdivision of FIC KazanSC of RAS, 420111, Kazan, Russia
2 Kazan National Research Technical University named after A.N. Tupolev-KAI, 420111, Kazan, Russia
3 Kazan State Energy University, 420066, Kazan, Russia
* Corresponding author: V.L.Fedyaev@yandex.ru
One of the effective methods of surfacing protective coatings on large areas, as well as the formation of permanent joints is the method of immersion (dipping) of parts into the melt. In order to increase the productivity of this method, the quality of surfacing is proposed to heat the work surfaces of the parts with an electroslag method. The rational regimes for its realization are determined by calculation. A mathematical model is proposed for heating the contacting layers of a solid body, slag and melt, taking into account the Joule heat released during the passage of an electric current. The corresponding problem is solved numerically with the help of the method of finite differences. The results are discussed, practical recommendations are presented.
© The Authors, published by EDP Sciences, 2019
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