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The optimization of welding regime parameters at shielded metal arc welding (SMAW) by mathematical modeling

V. Petrescu ; Lucian Blaga University of Sibiu, Romania
G. Paraschiv ; Polytechnic University of Bucharest, Romania
D. Dobrotă ; “Constantin Brâncuşi” University of Târgu-Jiu, Romania

Puni tekst: engleski pdf 131 Kb

str. 217-220

preuzimanja: 1.168



The realized researches followed the determining of mathematical models that allow the optimization of the welding process in order to obtain welded joints with certain values of the mechanical characteristics. Thus, there were established mathematical models of dependence of mechanical characteristics of welded joints (Rm, Rp02, Z, A, KCV 20°C) of each parameter of welding regime (Iw, Uw), and also, mathematical models that offer cumulative dependence of mechanical characteristics of both parameters of welding regime.The researches have been carried out using steel E 36-4 as base material and as filler material basic electrodes, type E7018 and the applied welding procedure was the process: shielded metal arc welding (SMAW).

Ključne riječi

SMAW; steel; welding regime parameters; mechanical characteristics; optimization

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