Abstract
1. Chang PH, Teng TL. Numerical and experimental investigations on the residual stresses of the butt-welded joints. Computational Materials Science. 2004;29(4):511–522. https://doi.org/10.1016/j.comm... ;. CrossRef Google Scholar
Highlights
Welding is a fabrication process, widely used in the aeronautical, naval and metalworking fields, that merges two parts through a cord of molten material
We report a coordinated F.E.M. study on residual stresses and Computer Vision measurements to monitor part deformations
3.5 Results of Transient Thermal Analysis (TTA) The thermal profile implemented in the numerical analysis was obtained according to the nominal heat outflowing from the welding head
Summary
Welding is a fabrication process, widely used in the aeronautical, naval and metalworking fields, that merges two parts through a cord of molten material. The Tungsten Inert Gas (TIG) welding process consists of the union of two parts by means of a tungsten electrode immersed in an atmosphere of Argon gas. In this process, the pieces instantly switch from room to very high temperature. One of the major issues after welding process, is the residual stress of the resulting piece and the reticular distortion due to local heating [3]. An important factor to consider is the plastic deformation in the base metal and the filler metal used in welding process It depends solely on the structure of the material after manufacture [4,5].
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