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The U-tube heat exchanger is widely used in process industries. The cracking seems to occur predominantly on the elbow of the U-tube. It is recognized that the tensile residual stress in the tube is a major contributor to Stress Corrosion Cracking (SCC). The Finite Element Method (FEM) is herein used to predict the thermo-mechanical stresses including forming residual stresses. The results of numerical...
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