Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2041-2060 of 4506
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Computational and Experimental Studies of High Temperature Crack Initiation in the Presence of Residual Stress
(The American Society of Mechanical Engineers (ASME), 2008)Residual stresses have been introduced into a notched compact tension specimen of a 347 weld material by mechanical compression. The required level of compressive load has previously been ... -
Determination of J-Integral Using the Load-COD Record for Circumferential Through-Wall Cracked Pipes
(The American Society of Mechanical Engineers (ASME), 2008)The present paper provides experimental J estimation equation based on the load-crack opening displacement (COD) record for testing the circumferential through-wall cracked pipe under combined ... -
Effect of High-Pressure Hydrogen Gas on Fracture of Austenitic Steels
(The American Society of Mechanical Engineers (ASME), 2008)Applications requiring the containment and transportation of hydrogen gas at pressures greater than 70MPa are anticipated in the evolving hydrogen economy infrastructure. Since hydrogen is known ... -
Harmonic Analysis of a Cylinder Cluster in Square Confinement With Position-Dependent Fluid Damping
(The American Society of Mechanical Engineers (ASME), 2008)The vibration of cylinder clusters in axial flow is a classical engineering problem, with applications to nuclear fuel rods and steam generator tubes. The classical method of solution to this ... -
A 3-D Model for Evaluating the Residual Stress Field Due to Swage Autofrettage
(The American Society of Mechanical Engineers (ASME), 2008)In order to maximize the performance of modern gun barrels in terms of strength-to-weight ratio and total fatigue life, favorable compressive residual stresses are introduced to the inner portion ... -
The Assessment of Residual Stress Effects on Ductile Tearing Using Continuum Damage Mechanics
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents the results of a numerical study undertaken to assess the influence of residual stresses on the ductile tearing behavior of a high strength low toughness aluminum alloy. ... -
Structural Integrity Assessment of Steam Generator Tube by the Use of Heterogeneous Finite Element Method
(The American Society of Mechanical Engineers (ASME), 2008)Aging steam generator tubes have been experiencing a variety of degradations such as pitting, fretting wear, erosion-corrosion, thinning, cracking, and denting. To assist with steam generator life ... -
Failure Modes of Perforated Material Under Finite Deformation
(The American Society of Mechanical Engineers (ASME), 2008)Local deformation due to the interaction of small scale features such as voids or hard particles is expected to have a significant influence on the failure mode of a material. To this end, ... -
General Variable Material Property Formulation for the Solution of Autofrettaged Thick-Walled Tubes With Constant Axial Strains
(The American Society of Mechanical Engineers (ASME), 2008)In this paper a general variable material property (VMP) formulation for the solution of thick-walled tubes with constant axial strains was developed and compared with the alternative VMP method ... -
Characteristics of the Suppression of Sloshing in a Vessel by a Bulkhead
(The American Society of Mechanical Engineers (ASME), 2008)This paper investigates the characteristics of the suppression of sloshing in a vessel by a bulkhead that divides the vessel vertically into two sections but allows communication between two ... -
Study of Plastic Limit Load on Pressurized Cylinders With Lateral Nozzle
(The American Society of Mechanical Engineers (ASME), 2008)The objective of this work is to study the plastic limit load of cylindrical vessels with different lateral angles θ under increasing internal loadings. Three full size test vessels with ... -
J-Resistance Properties of Narrow Gap GTAW Welds for Ferritic Primary Loop Piping
(The American Society of Mechanical Engineers (ASME), 2008)J-resistance properties of automatic narrow gap gas tungsten arc welds (NGGTAWs) for ferritic primary loop piping were investigated. The piping diameter is 1066mm, and its thickness is 76mm. The ... -
Elastoplastic Analysis of a Miniature Circular Disk Bending Specimen
(The American Society of Mechanical Engineers (ASME), 2008)The miniature disk bending test is used to evaluate the mechanical behavior of irradiated materials and their properties (e.g., yield stress and strain hardening exponent) to determine mainly ... -
An Inverse Method for the Determination of Thermal Stress-Intensity Factors Under Arbitrary Thermal-Shocks
(The American Society of Mechanical Engineers (ASME), 2008)The analysis of stress-intensity factors is of immense importance when designing vessels, pipes, and end-caps as well as supporting structures and plates seen in high-temperature applications. ... -
A Novel and Simple Approach for Predicting Creep Life Based on Tertiary Creep Behavior
(The American Society of Mechanical Engineers (ASME), 2008)The creep of materials is a research topic of major significance in the life assessment and design of many modern engineering components of advanced technology such as power generation plant, ... -
Study of Parameter Effects on Residual Stresses and Thermal Deformation of Brazed Plate-Fin Structure Using Finite Element Method
(The American Society of Mechanical Engineers (ASME), 2008)The brazed plate-fin structure is the key component of a compact plate-fin heat exchanger. The residual stresses and thermal deformation induced by vacuum brazing may bring negative effects on ... -
Finite Element Analysis of the Effect of Brazed Residual Stress on Creep for Stainless Steel Plate-Fin Structure
(The American Society of Mechanical Engineers (ASME), 2008)This paper presented a finite element analysis of the effect of brazed residual stress on creep for stainless steel plate-fin structure using finite element code ABAQUS . The as-brazed residual ... -
Modeling the Effects of Initial Tube-Tubesheet Clearance, Wall Reduction and Material Strain Hardening on Rolled Joint Strength
(The American Society of Mechanical Engineers (ASME), 2008)The tube-to-tubesheet joint strength is measured in terms of residual contact pressure between the tube’s outer surface and tubesheet hole surfaces. The joint integrity is affected by several ... -
Development of an Improved Methodology for Predicting Airblast Pressure Relief on a Directly Loaded Wall
(The American Society of Mechanical Engineers (ASME), 2007)The interaction of an airblast wave with a structure, and the blast wave propagation around and over the structure is of significant importance. In order to protect a structure from the ... -
Selecting Suitable Probes Distances for Sizing Deep Surface Cracks Using the DCPD Technique
(The American Society of Mechanical Engineers (ASME), 2007)In this study, the way to enhance the sensitivity of evaluating deep surface cracks by DCPD technique using four probes is considered. The potential drops across two-dimensional cracks having ...