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Erschienen in: Journal of Materials Engineering and Performance 1/2011

01.02.2011

Tensile and Impact Toughness Properties of Gas Tungsten Arc Welded and Friction Stir Welded Interstitial Free Steel Joints

verfasst von: A. K. Lakshminarayanan, V. Balasubramanian

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 1/2011

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Abstract

Welded regions of interstitial free (IF) steel grades in the vicinity of weld center exhibits larger grains because of the prevailing thermal conditions during weld metal solidification. This often causes inferior weld mechanical properties. In the present study, tensile properties, charpy impact toughness, microhardness, microstructure, lowest hardness distribution profile, and fracture surface morphology of the gas tungsten arc welded (GTAW) and friction stir welded joints were evaluated, and the results are compared. From this investigation, it is found that friction stir welded joint of IF steel showed superior tensile and impact properties compared with GTAW joint, and this is mainly due to the formation of very fine, equiaxed microstructure in the weld zone.

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Metadaten
Titel
Tensile and Impact Toughness Properties of Gas Tungsten Arc Welded and Friction Stir Welded Interstitial Free Steel Joints
verfasst von
A. K. Lakshminarayanan
V. Balasubramanian
Publikationsdatum
01.02.2011
Verlag
Springer US
Erschienen in
Journal of Materials Engineering and Performance / Ausgabe 1/2011
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-010-9649-6

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