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Theoretical model of the submerged arc welding process

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Abstract

Expressions for the direct current and melting rate of wire electrodes in the submerged arc welding process are derived via the principles of irreversible thermodynamics. The melting rate of the consumable wire electrode under quasi steady state conditions consists of eight contributions: 1) Peltier heating effect, 2) Arc heating effect, 3) Contact resistance effect, 4) Radiation heat transfer effect, 5) Joule heating effect, 6) Heat conduction effect, 7) Melting rate effect of electrolyte flux, 8) Melting rate effect of the sublayer zone. Application of the general theoretical melting rate to a limiting case of practical interest reveals good agreement between theoretical predictions and experimental results. The affect of polarity reversal on melting rate is explained in terms of thermionic emission phenomena.

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Authors and Affiliations

  1. Department of Metallurgy, University of Aston, Birmingham, England

    Barry T. Rubin (Gillette International Research Fellow)

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  1. Barry T. Rubin
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Rubin, B.T. Theoretical model of the submerged arc welding process. Metall Trans B 6, 175–182 (1975). https://doi.org/10.1007/BF02825692

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  • DOI: https://doi.org/10.1007/BF02825692

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