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Slag Metal Reactions during Submerged Arc Welding of Alloy Steels

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Abstract

The transfer of Cr, Si, Mn, P, S, C, Ni, and Mo between the slag and the weld pool has been studied for submerged arc welds made with calcium silicate and manganese silicate fluxes. The results show a strong interaction between Cr and Si transfer but no interaction with Mn. The manganese silicate flux produces lower residual sulfur while the calcium silicate fluxes are more effective for removal of phosphorus. The effective oxygen reaction temperature lies between 1700 and 2000 °C for all elements studied. Evidence of Cr and Mn loss by metal vaporization is also presented.

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Authors and Affiliations

  1. Intel Corporation, Livermore, CA

    U. Mitra (Senior Process Engineer)

  2. Massachusetts Institute of Technology, 02139, Cambridge, MA

    T. W. Eagar (Associate Professor of Materials Engineering)

Authors
  1. U. Mitra
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  2. T. W. Eagar
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Formerly Graduate Student in the Department of Materials Science and Engineering at Massachusetts Institute of Technology.

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Mitra, U., Eagar, T.W. Slag Metal Reactions during Submerged Arc Welding of Alloy Steels. Metall Trans A 15, 217–227 (1984). https://doi.org/10.1007/BF02644404

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  • DOI: https://doi.org/10.1007/BF02644404

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