Structure-property relationships and residual stress quantification of a friction stir spot welded magnesium alloy

Kiran Solanki; J. B. Jordon; W. Whittington; H. Rao; C. R. Hubbard

doi:10.1016/j.scriptamat.2012.02.011

Structure-property relationships and residual stress quantification of a friction stir spot welded magnesium alloy

Kiran Solanki, J. B. Jordon, W. Whittington, H. Rao, C. R. Hubbard

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

20 Scopus citations

Abstract

Structure-property relationships and spatial residual stress distribution in a friction stir spot welded magnesium alloy (AZ31) sheet was investigated to elucidate the incipient deformation mechanisms and welding process parameters. Experimental results revealed a decrease in the tensile and compressive yield strengths, as well as an increase in ductility and grain size, as the tool rotational speed and shoulder depth increased. Residual stresses were measured using neutron diffraction, and a strong dependency was found between the grain size, residual stress and the welding parameters.

Original language	English (US)
Pages (from-to)	797-800
Number of pages	4
Journal	Scripta Materialia
Volume	66
Issue number	10
DOIs	https://doi.org/10.1016/j.scriptamat.2012.02.011
State	Published - May 1 2012

Keywords

Friction stir spot weld
Magnesium alloys
Residual stress
Structure-property

ASJC Scopus subject areas

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

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abstract = "Structure-property relationships and spatial residual stress distribution in a friction stir spot welded magnesium alloy (AZ31) sheet was investigated to elucidate the incipient deformation mechanisms and welding process parameters. Experimental results revealed a decrease in the tensile and compressive yield strengths, as well as an increase in ductility and grain size, as the tool rotational speed and shoulder depth increased. Residual stresses were measured using neutron diffraction, and a strong dependency was found between the grain size, residual stress and the welding parameters.",

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AU - Solanki, Kiran

AU - Jordon, J. B.

AU - Whittington, W.

AU - Rao, H.

AU - Hubbard, C. R.

PY - 2012/5/1

Y1 - 2012/5/1

N2 - Structure-property relationships and spatial residual stress distribution in a friction stir spot welded magnesium alloy (AZ31) sheet was investigated to elucidate the incipient deformation mechanisms and welding process parameters. Experimental results revealed a decrease in the tensile and compressive yield strengths, as well as an increase in ductility and grain size, as the tool rotational speed and shoulder depth increased. Residual stresses were measured using neutron diffraction, and a strong dependency was found between the grain size, residual stress and the welding parameters.

AB - Structure-property relationships and spatial residual stress distribution in a friction stir spot welded magnesium alloy (AZ31) sheet was investigated to elucidate the incipient deformation mechanisms and welding process parameters. Experimental results revealed a decrease in the tensile and compressive yield strengths, as well as an increase in ductility and grain size, as the tool rotational speed and shoulder depth increased. Residual stresses were measured using neutron diffraction, and a strong dependency was found between the grain size, residual stress and the welding parameters.

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KW - Magnesium alloys

KW - Residual stress

KW - Structure-property

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