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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 ...
Summertime Evolution of Decadal Sea Surface Temperature Anomalies in the Midlatitude North Pacific
Publisher: American Meteorological Society
Abstract: To clarify the summertime evolution of decadal sea surface temperature (SST) anomalies and related physical processes in the midlatitudes of the North Pacific, numerical solutions of a three-dimensional bulk mixed layer ...
Numerical Analysis of the Flow in an Annular-Conical Passage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of this paper is to bring new insights into the flow phenomena in an annular-conical passage, which—as previously disclosed experimentally—forms a toroidal-vortex street. 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 ...
The Effects of Residual Stress Distribution and Component Geometry on the Stress Intensity Factor of Surface Cracks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stress intensity factor estimated by the appropriate modeling of components is essential for the evaluation of crack growth behavior in stress corrosion cracking. For the appropriate modeling ...
Seasonality of Decadal Sea Surface Temperature Anomalies in the Northwestern Pacific
Publisher: American Meteorological Society
Abstract: The seasonality of the decadal sea surface temperature (SST) anomalies and the related physical processes in the northwestern Pacific were investigated using a three-dimensional bulk mixed layer model. In the Kuroshio?Oyashio ...
Numerical Analysis of Welding Residual Stress and Its Verification Using Neutron Diffraction Measurement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Direct measurements and computed distributions of through-thickness residual stress in a pipe butt-welded joint and a pipe socket-welded joint are compared. The analytical evaluation methods used ...
Residual Stress Reduction and Fatigue Strength Improvement by Controlling Welding Pass Sequences
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of residual stress on fatigue strength at a weld toe in a multi-pass fillet weld joint were evaluated. The residual stresses in the weld joints were varied by controlling the ...
Effects of Rib Arrangements on Pressure Drop and Heat Transfer in a Rib-Roughened Channel With a Sharp 180 deg Turn
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of this study was to investigate, through experiments, the combined effects of a sharp 180 deg turn and rib patterns on the pressure drop performance and distributions of the ...