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Journal of KWJS. 2009;27(4):38-43. Published online September 14, 2009.
- On the Fillet Weld-Induced Deformation Control by Applying the Tensioning Method
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Joo-Sung Lee, Cheul-Ho Kim
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- Abstract
- As it has been well appreciated, the weld-induced deformation control is one of the most important issues from view point of efficiency in ship production. The weld-induced deformation is more serious in the case of thin plate block than in the case of relatively thick plate block, since, for example, heat affect zone of thin plates is wider than that of thick plates for the same heat input. Among weld-induced deformation, buckling deformation due to shrinkage and residual stress in weld line direction is one of the most serious deformation type. This paper is concerned with the controling the buckling deformation of thin plate fillet weld by applying the tensioning method. Weld experiments have been carried out for specimens with varying the magnitude and direction of tension load. The results are graphically represented to show the effect of tensioning method upon reducing the weld-induced deformation. From the present findings, its has been seen that tensioning method is one of the useful ways to control the weld-induced deformation of fillet weld of thin plates.
Keywords :Buckling deformation;Buckling mode;Residual stress;Tension load;Tensioning method;Thin plate;Fillet weld;Weld-induced deformation
