Asymmetry in steel welds with dissimilar amounts of sulfur

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

doi:10.1016/j.scriptamat.2015.06.024

Asymmetry in steel welds with dissimilar amounts of sulfur

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

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

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 language	English (US)
Article number	10700
Pages (from-to)	88-91
Number of pages	4
Journal	Scripta Materialia
Volume	108
DOIs	https://doi.org/10.1016/j.scriptamat.2015.06.024
State	Published - Nov 1 2015

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2015.06.024

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title = "Asymmetry in steel welds with dissimilar amounts of sulfur",

abstract = "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.",

author = "Wei, {H. L.} and S. Pal and V. Manvatkar and Lienert, {T. J.} and T. DebRoy",

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AU - Wei, H. L.

AU - Pal, S.

AU - Manvatkar, V.

AU - Lienert, T. J.

AU - DebRoy, T.

PY - 2015/11/1

Y1 - 2015/11/1

N2 - 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.

AB - 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.

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ER -

Asymmetry in steel welds with dissimilar amounts of sulfur

Abstract

All Science Journal Classification (ASJC) codes

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