A. V. Serov, R. A. Latypov, N. V. Serov, V. V. Chernov
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Computation-Experimental Estimation of the Resistance of the Welding Zone during Electrocontact Welding with an Intermediate Layer
Abstract—The results of a computation-experimental estimation of the resistance of the welding zone during electrocontact welding (ECW) of a metal tape through an intermediate layer are presented. Characteristic resistance zones are determined, and the stages of joint formation and the state of resistance during ECW are considered. The influence of the compressive force on the resistance of the joint zone, the welding current, and the heat released in the welding zone at each contact site is analyzed, and dependences for calculating these quantities are presented with allowance for shunting and heating of the materials to be joined. The optimum compressive forces at each ECW stage are determined. Recommendations are given for adjusting the welding current during transitions to the next welding stages.
期刊介绍：
Russian Metallurgy (Metally) publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.
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