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RISStrategy of Considering Microstructure Effect on Weld Residual Stress Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Welding generates thermal distortion and residual stress, and it is well known that they affect the performance of welded structures by contributing to brittle fracture, fatigue, buckling ...
Weld Distortion Control During Welding Process With Reverse-Side Heating
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An in-process method for controlling welding distortion in fillet welds is developed. It particularly reduces angular distortion by performing reverse-side Tungsten inert gas (TIG) heating of the ...
Prediction of Ductile-to-Brittle Transition Under Different Strain Rates in Undermatched Welded Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A welded joint generally has heterogeneity of strength, material, and fracture toughness. It is important to understand the characteristics of the strength and fracture of welded joints while ...
Thermal Elastic-Plastic Analysis Considering Temperature Rise by Rapid Plastic Deformation in Undermatched Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The characteristics of dynamic strength and fracture in structural steels and their welded joints particularly for pipelines should be evaluated based on the effects of the strain rate and ...
Modified Equation To Predict Leak/Rupture Criteria For Axially Through-Wall Notched X80 and X100 Linepipes Having a Higher Charpy Energy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method of predicting the leak/rupture criteria for API 5L X80 and X100 line pipes was evaluated based on the results of hydrostatic full-scale tests for X60, X65, X80, and X100 line pipes ...
Significance of Fracture Toughness Test Results of Beam Welds in Evaluation of Brittle Fracture Performance of Girth Welded Pipe Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High power beam welds, such as electron beam welds or laser welds, sometimes provide fracture path deviation (FPD) in standardized Charpy V-notch fracture toughness testing due to narrow bead ...
Evaluation of Leak-Before-Break (LBB) Behavior For Axially Notched X65 and X80 Line Pipes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Leak-before-break (LBB) behavior was evaluated for two series of API 5L X65 line pipes and three series of X80 line pipes with various levels of Charpy V-notch (CVN) absorbed energy. Full-scale ...
Analytical Study of Appropriate Design for High-Grade Induction Bend Pipes Subjected to Large Ground Deformation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to clarify the significant parameters to control the deformability of high-grade induction bend pipes, finite element analyses simulating the deformation behavior subjected to an internal ...
Effect of Material Stress-Strain Behavior and Pipe Geometry on the Deformability of High-Grade Pipelines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, the deformability of high-grade pipelines subjected to an axial compressive deformation was experimentally and analytically discussed. Six cases of axial compression experiments with ...
Tensile Properties of Cold Bends for Line Pipes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To comprehensively investigate the tensile properties of cold bends, full-scale cold bending experiments, tensile tests using prestrained small-scale specimens, and finite element (FE) analyses of ...