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Microstructure and phase transformations in duplex 316 manual metal arc weld metals: the role of carbon

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Abstract

The nature and kinetics of the phase transformation of metastable δ-ferrite in two duplex stainless steel manual metal arc weld metals has been studied at two carbon levels. 0.042 and 0.076 w t%. The lean deposit exhibited a rapid transformation to intermetallic phases on post-weld heat treatment, whilst the higher carbon deposit retained sable δ-ferrite after similar heat treatment. These results appear to be consistent with previously published transformation models for similar materials.

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Authors and Affiliations

  1. Department of Mechanical Engineering, The University of Southampton, Hampshire, UK

    R. A. Farrar

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  1. R. A. Farrar
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Farrar, R.A. Microstructure and phase transformations in duplex 316 manual metal arc weld metals: the role of carbon. J Mater Sci 22, 363–373 (1987). https://doi.org/10.1007/BF01160594

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  • DOI: https://doi.org/10.1007/BF01160594

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