Asymmetry in steel welds with dissimilar amounts of sulfur

H. L. Wei, S. Pal, V. Manvatkar, T. J. Lienert, T. DebRoy

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


During welding of steels containing dissimilar amounts of sulfur, the weld pool is shifted laterally from the original joint interface and rotated at an angle with the interface. The mechanism for this unusual behavior is not known. Here, we show for the first time through comparison of numerically calculated and experimental results that Marangoni convection causes these rotational and translational asymmetries and the reported arc shift is a consequence of asymmetric melting rather than its cause.

Original languageEnglish (US)
Article number10700
Pages (from-to)88-91
Number of pages4
JournalScripta Materialia
StatePublished - Nov 1 2015

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys


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