Titlebook: Residual Stress and Its Effects on Fatigue and Fracture; Proceedings of a Spe A.G. Youtsos Conference proceedings 2006 Springer Science+Bus

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Conference proceedings 2006ed cracks, manufacturing flaws, service-induced cracking or suspected degradation of engineering components under normal and abnormal service loads. In many cases, welded joints are the regions most likely to contain original fabrication defects or cracks initiating and growing during service operat

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Sensitivity of Predicted Residual Stresses To Modelling Assumptionsffect the magnitude of predicted stresses, and to identify the limitations of the various modelling techniques. This paper describes how variations of the heat source representation and the material cyclic hardening behaviour affect the predicted residual stresses in an austenitic single weld bead-on-plate specimen.

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Interaction of Residual Stress with Mechanical Loading in a Ferritic Steel. has been also used to estimate the combined crack driving force during loading to fracture of the specimens containing tensile residual stresses ahead of a crack/notch. It is shown that by having more accurate estimates of driving force created by the residual stresses leads to increased agreement between experiments and assessment.

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Finite Element Simulation Of Welding In Pipes: A Sensitivity Analysisneration in and around welds. A multi-pass weld joining two pipes made of different materials is simulated using 2-D axi-symmetric finite element analysis. The proposed methodology for weld simulation incorporates the well-known birth of elements technique and follows the prescribed temperature appr

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Residual Stress Prediction In Letterbox-Type Repair Weldst work. The repair is performed on a 2?CrMo low alloy ferritic steel plate, containing a machined central groove of 9. depth, 200. length and 14. width. Three weld beads are deposited in the groove using AL CROMO S 225 2? CrMo electrodes. The repaired region is considerably long and narrow to enable

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