Influence of Cooling Intensity on Residual Stress State of TIG Dressing Zone for T-Joint Welded Toe

Kun Zhou; Chun Yuan Shi; Cheng Jin

doi:10.4028/www.scientific.net/AMM.148-149.1289

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 148-149Influence of Cooling Intensity on Residual Stress...

Influence of Cooling Intensity on Residual Stress State of TIG Dressing Zone for T-Joint Welded Toe

Abstract:

Using finite element method, the residual stress distribution of the TIG dressed welded toe followed by spray treatment with different cooling intensity was calculated. And the residual stresses of welded toe were also measured by using the blind-hole method. The results indicate that with the increase of cooling intensity, the longitudinal residual stresses in welded toe are gradually transited from tensile residual stresses to compressive ones, and there is no significant change for transverse residual stresses, and the depth of compressive stress layer increases at the welded toe region.

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Periodical:

Applied Mechanics and Materials (Volumes 148-149)

Pages:

1289-1294

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.148-149.1289

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Online since:

December 2011

Authors:

Kun Zhou, Chun Yuan Shi, Cheng Jin

Keywords:

Cooling Intensity, Residual Stress, TIG Dressing, T-Joint Welded Toe

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