Journal of Pressure Vessel Technology: Recent submissions
Now showing items 21-40 of 4408
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Primary Degradation Assessment of 12Cr1MoVG Steel by Flat Indentation and Electron Backscattered Diffraction Methods
(The American Society of Mechanical Engineers (ASME), 2025)Most of the allowable design strain in high-temperature component occurs in the primary creep stage, so the accumulation of creep strain in this stage must be considered. Performance degradation of 12Cr1MoVG steel during ... -
Study on Microstructure, Stress Corrosion Cracking Crack Propagation Paths, and Mechanical Field at the Tip of the Stationary-Propagating Crack of Pipeline Steel Girth Welded Joint
(The American Society of Mechanical Engineers (ASME), 2025)During the service life of oil and gas pipelines, welded joints are critical areas that are susceptible to failure or fracture. This study aims to investigate the influence of mechanical heterogeneity on the mechanical ... -
Improvements in Friction Stir Welding Strength Considering Design and Process Parameters by Using Aluminum Alloy AA7075-T6
(The American Society of Mechanical Engineers (ASME), 2025)Friction stir welding (FSW) is one of the leading joining processes used for aluminum and its alloys. This most recent joining process joins materials below the melting point which make it ahead of any other joining process. ... -
Fracture Analysis of Sharp Notches Under Mode III Loading: A Local Approach
(The American Society of Mechanical Engineers (ASME), 2025)In this study, an attempt is made to propose a local approach for fracture analysis of sharp notches under Mode III loading. Under the assumption that the stress concentration factor eigenvalue k* for V-notches under Mode ... -
Investigation of the Dynamic Response of Soil/Steel Composite Structures of Vacuum Explosion Containment Vessels
(The American Society of Mechanical Engineers (ASME), 2025)Vacuum explosive welding technology has better performance, lower production cost, more environmentally friendly and other advantages. In order to meet the industrial demand for production in the area of metal composite ... -
Evolution of Thermoelastic Stresses in a Finite-Width Slab or Thick Cylinder With a Growing or Receding Boundary
(The American Society of Mechanical Engineers (ASME), 2025)Semi-analytical thermoelastic stress solutions for a single phase, homogeneous, and finite-width slab or thick cylinder with a constant-velocity growing or receding boundary under unit-loading were derived. Initially, a ... -
Dynamic Behavior of Rectangular Tanks With Limited Freeboard Under Seismic Loads: Experimental, Analytical, and Machine Learning Investigations
(The American Society of Mechanical Engineers (ASME), 2025)One of the most common types of fluid storage tanks are rectangular concrete tanks placed on the ground. Ensuring the seismic performance of these tanks is crucial as, besides damage and losses during a crisis, they can ... -
Development of Local Ductile Failure Assessment Method and Its Application to Four Alloys—Part I: Stress–Strain Relation and Analysis Without the Effect of Lode Angle
(The American Society of Mechanical Engineers (ASME), 2025)In evaluating the margin against fracture under various loadings, resistance against initiation and propagation of fracture needs to be evaluated. Elastic-plastic finite element (FE) analysis serves as a powerful tool for ... -
Consistency Analysis of Burst Pressure in Corroded Pipelines
(The American Society of Mechanical Engineers (ASME), 2024)Due to the influence of the working environment and transport medium, corrosion defects inevitably occur on the inner and outer walls of the pipelines. Authors have often studied the effect of internal and external corrosion ... -
Study on Dynamic Postbuckling Stability of Fast Reactor Vessels Subjected to Vertical Vibration
(The American Society of Mechanical Engineers (ASME), 2024)As a lesson learned from the Fukushima nuclear accident, the importance of accident mitigation for beyond-design basis events (BDBEs) is recognized. Excessive earthquake is a typical BDBE. During such events, the fast ... -
Investigation on Failure Mode of Short Carbon Fiber-Reinforced Thermoplastic Composites Joints of Nonmetallic Pipeline
(The American Society of Mechanical Engineers (ASME), 2024)Pipe joints are weak points in nonmetallic pipeline systems, and their mechanical strength is essential for ensuring safe pipeline operation. By reinforcing with short carbon fiber-reinforced thermoplastic composites ... -
Residual Stress Calculation of Hydraulic Autofrettage Thick-Walled Tube Based on a Revised Kinematic Hardening Model
(The American Society of Mechanical Engineers (ASME), 2024)The current theoretical calculation methods for autofrettage of thick-walled tube do not adequately consider the change in the stress–strain relationship of the material with the maximum loading strain. This deficiency has ... -
Measurement of Steam-Generator-Tube Vibration Damping Caused by Anti-Vibration-Bar Supports
(The American Society of Mechanical Engineers (ASME), 2024)In 2013, Atomic Energy of Canada Limited (now Canadian Nuclear Laboratories) experimentally measured the damping of a straight tube with a variety of tube supports to examine low-frequency damping. These tests were motivated ... -
Research on the Accelerated Life Test Method for Gaskets and the Verification of the Accuracy of the Life Prediction
(The American Society of Mechanical Engineers (ASME), 2025)Bolted flanged connections are widely used in the petroleum and chemical industries. The gasket is the core component of bolted flanged connections. Accurate prediction of the gasket life is of great significance for the ... -
Development of Local Ductile Failure Assessment Method and Its Application to Four Alloys—Part II: Incorporation of the Effect of Lode Angle
(The American Society of Mechanical Engineers (ASME), 2025)In order to guarantee the presence of adequate margin against ultimate fracture, it is essential to establish a reliable methodology for estimating ductile fracture behavior of structures. Following the development of ... -
Defect Detection of Polyethylene Gas Pipeline Based on Convolutional Neural Networks and Image Processing
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, a method based on image recognition was proposed to detect the defects of polyethylene (PE) gas pipeline, especially the deformation due to the indentation. First, the pipeline -detection VGG (PD-VGG) model ... -
Proposal of a Nonlinear Spring Model on Piping Support Structures for an Elastoplastic Response Analysis Method
(The American Society of Mechanical Engineers (ASME), 2024)In probabilistic risk assessment against earthquakes for nuclear power plants, developing a realistic response analysis method for the fragility assessment of piping systems considering input seismic motions exceeding the ... -
Optimization of High-Vapor Pressure Condensate Pipeline Commissioning Schemes in Large Uplift Environments
(The American Society of Mechanical Engineers (ASME), 2025)A continuously undulating pipeline results in the accumulation of air at high points and liquid at low points during commissioning, hindering the process, and impacting oil product quality. Cavitation may occur at the ... -
Analysis of Factors Influencing Y-Ring Sealing Under Ultra-High-Pressure, High-Temperature, and Low-Temperature Conditions
(The American Society of Mechanical Engineers (ASME), 2024)To study the factors affecting the sealing performance of a Y-shaped sealing ring at the stem of a 140-MPa cage throttle valve under −46 °C, 25 °C, and 180 °C operating conditions, uniaxial tensile tests were conducted on ... -
Dynamics Modeling and Analysis of Small-Diameter Pipeline Inspection Gauge During Passing Through Elbow
(The American Society of Mechanical Engineers (ASME), 2024)With small diameters, numerous elbows, and complex internal environment, gathering and transportation pipelines are widely applied in the oil and gas pipeline network. To guarantee their safety, the pipeline inspection ...