Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2241-2260 of 4506
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Second Phase Precipitation in As-Welded and Solution Annealed Alloy 22 Welds
(The American Society of Mechanical Engineers (ASME), 2006)The precipitation characteristics of tetrahedrally close-packed (TCP) phases during the welding and the subsequent solution annealing process of Alloy 22 1 1∕2in. thick plate double-U prototypical ... -
Residual Stresses Evaluation in Welds and Implications for Design for Pressure Vessel Applications
(The American Society of Mechanical Engineers (ASME), 2006)Welding residual stresses have important consequences on the performance of engineering components. High residual stresses may lead to loss of performance in corrosion, fatigue, and fracture but ... -
Thermoelastic Stresses in Thick-Walled Vessels Under Thermal Transients via the Inverse Route
(The American Society of Mechanical Engineers (ASME), 2006)A common threat to thick-walled vessels and pipes is thermal shock from operational steady state or transient thermoelastic stresses. As such, boundary conditions must be known or determined in ... -
Metallurgical Failure Analysis of a Rotating Blade in the Compressor Section of a Gas Turbine
(The American Society of Mechanical Engineers (ASME), 2006)A metallurgical failure analysis was performed for the stage 17 gas turbine rotating blade and stationary vane. Four pieces, including the failed rotating and stationary blades, were removed ... -
Elastic Stresses of Pressurized Cylinders With Hillside Nozzle
(The American Society of Mechanical Engineers (ASME), 2006)The purpose of this work is to investigate the elastic stress and deformation of pressurized cylinders with a hillside nozzle. Two full-scale test models were designed and fabricated specially ... -
Modified Equation To Predict Leak/Rupture Criteria For Axially Through-Wall Notched X80 and X100 Linepipes Having a Higher Charpy Energy
(The American Society of Mechanical Engineers (ASME), 2006)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 ... -
Time-Dependent Fracture and Defect Assessment of Welded Structures at High Temperature
(The American Society of Mechanical Engineers (ASME), 2006)The present work reports several new insights into creep crack growth performance and defect assessment of welded structures at elevated temperature. First of all, an equivalent homogeneous model ... -
Prediction of Fracture Appearance Transition Temperature of 2.25Cr-1Mo Steel Used in Hot-Wall Hydrofining Reactors
(The American Society of Mechanical Engineers (ASME), 2006)A kinetics model for temper embrittlement was employed as the basis for predicting the fracture appearance transition temperature (FATT) of 2.25Cr-1Mo steel used for hot-wall hydrofining reactors. ... -
A Structural Integrity Assessment Methodology for Pressurized Vessels
(The American Society of Mechanical Engineers (ASME), 2006)Pressurized vessels such as a steam drum in a typical power plant can often experience in-service cracking. Structural integrity assessment methodology can be a useful tool to determine the ... -
Application of Constraint Corrected J-R Curves to Fracture Analysis of Pipelines
(The American Society of Mechanical Engineers (ASME), 2006)Fracture properties of an API X80 pipeline steel have been developed using a set of single edge notched bend (SENB) and single edge notched tension (SENT) specimens with shallow and deep ... -
Effect of Thread Pitch and Initial Tension on the Self-Loosening of Threaded Fasteners
(The American Society of Mechanical Engineers (ASME), 2006)A mathematical model and an experimental procedure are presented to study the self-loosening phenomenon of threaded fasteners that are subjected to cyclic transverse loads. The study investigates ... -
Probabilistic Integrity Assessment of Corroded Gas Pipelines
(The American Society of Mechanical Engineers (ASME), 2006)Pressurized gas pipelines are subject to harmful effects from both the surrounding environments and the materials passing through them. Reliable assessment procedures, including fracture mechanics ... -
An Investigation of an Impact Vibration Absorber With Hysteresis Damping
(The American Society of Mechanical Engineers (ASME), 2006)The dynamic vibration absorber is a device for reducing the vibration of many structures and mechanical equipment. It consists of a small mass which is attached to the primary vibrating system ... -
Fundamental Study on the Super-Long-Period Active Isolation System
(The American Society of Mechanical Engineers (ASME), 2006)Background: Since the Hanshin-Awaji Earthquake Disaster, the number of isolated structures has been greatly increased. The natural period of the isolation system is designed around 3s, because ... -
A Study of Acoustic Resonance in a Staggered Tube Array
(The American Society of Mechanical Engineers (ASME), 2006)Experimental laboratory research was performed to study the effect of test section width on the magnitude of acoustic resonance generated in a small pitch ratio staggered tube bank. Three ... -
Ratcheting Study of Pressurized Elbows Subjected to Reversed In-Plane Bending
(The American Society of Mechanical Engineers (ASME), 2006)With a multi-axial test machine, ratcheting was studied experimentally for pressurized low carbon steel elbows under reversed bending. The maximum ratcheting strain occurred mainly in the hoop ... -
A Stable Fluid-Structure-Interaction Algorithm: Application to Industrial Problems
(The American Society of Mechanical Engineers (ASME), 2006)Fluid-structure interactions occur in a wide range of industrial applications, including vibration of pipe-work, flow meters, and positive displacement systems as well as many flow control devices. ... -
Modeling of Earthquake Motions for Seismic Design of Critical Facilities: Revision of Licensing Criteria of NPP
(The American Society of Mechanical Engineers (ASME), 2006)This papers deals with the importance of input ground motions for the seismic safety design of nuclear power plants, especially for their failure, in relation to the current revision works in Japan. -
Experimental Investigation Into the Fracture Toughness of Polyethylene Pipe Material
(The American Society of Mechanical Engineers (ASME), 2005)The mechanical behavior of the recently produced gas pipes material PE100 is investigated and compared to the commonly used material PE80 to determine their relative advantages. The two materials ... -
Fluidelastic Instability and Work-Rate Measurements of Steam-Generator U-Tubes in Air–Water Cross-Flow
(The American Society of Mechanical Engineers (ASME), 2005)The dynamic response of U-tubes to two-phase cross-flow has been studied in tests involving a simplified U-tube bundle with a set of flat-bar supports at the apex, subjected to air–water ...