Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2441-2460 of 4506
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Axial Leakage Flow-Induced Vibration of a Thin Cylindrical Shell With Respect to Lateral Vibration
(The American Society of Mechanical Engineers (ASME), 2003)In this paper, the stability of a thin cylindrical shell subjected to axial leakage flow is discussed. In this paper, the second part of a study of the axial leakage flow-induced vibration ... -
Fatigue Crack Propagation Properties of Welded Joints at 300°C
(The American Society of Mechanical Engineers (ASME), 2003)Fatigue crack propagation properties of welded joints were investigated on steel plate for boilers and other pressure vessels. The fatigue crack propagation properties at 300°C became similar ... -
The Use of “Fitness for Service” Assessment Procedures to Establish Critical Flaw Sizes in High-Pressure Gas Cylinders
(The American Society of Mechanical Engineers (ASME), 2003)Typical flaws that can occur in high-pressure seamless gas cylinders during service are: corrosion pits, line corrosion, gouges, local thin areas of corrosion, and cracks. The required periodic ... -
Active Vibration Control for the Measurement of Fluidelastic Effects
(The American Society of Mechanical Engineers (ASME), 2003)A new method based on active vibration control is proposed to investigate fluidelastic coupling effects beyond fluidelastic instability. This active control method allows to extend the range of ... -
3-D Finite Element Modeling of the Welding Process Using Element Birth and Element Movement Techniques
(The American Society of Mechanical Engineers (ASME), 2003)The modeling and simulation of the welding process has been of main concern for different fields of applications. Most of the modeling of such a problem has been mainly in 2-D forms that ... -
Axial Leakage Flow-Induced Vibration of a Thin Cylindrical Shell With Respect to Axisymmetric Vibration
(The American Society of Mechanical Engineers (ASME), 2003)In this paper, the stability of a thin cylindrical shell subjected to axial leakage flow is discussed. In this paper, the first part of a study of the axial leakage flow-induced vibration ... -
Determination of Constraint-Modified J-R Curves for Carbon Steel Storage Tanks
(The American Society of Mechanical Engineers (ASME), 2003)Mechanical testing of A285 carbon steel, a storage tank material, was performed to develop fracture properties based on the constraint theory of fracture mechanics. A series of single edge-notched ... -
Vibration Control of Toroidal Shells With Parallel and Diagonal Piezoelectric Actuators
(The American Society of Mechanical Engineers (ASME), 2003)Effective control of toroidal shells, e.g., cooling tubes, space colonies, inflatable space structures, etc., enhances their operational precision, accuracy, and reliability. Dynamics and control ... -
Comparison of Methods for Calculating Stress Intensity Factors for the Thread of a Pressure Vessel Closure and of a Gun Breech Ring
(The American Society of Mechanical Engineers (ASME), 2003)Non-mandatory Appendix D of Section VIII, Division 3 of the ASME Boiler and Pressure Vessel Code provides a method for calculating the stress intensity factors for the region of a thread root ... -
Experimental Data, Numerical Fit and Fatigue Life Calculations Relating to the Bauschinger Effect in High Strength Armament Steels
(The American Society of Mechanical Engineers (ASME), 2003)The uniaxial Bauschinger effect has been evaluated in several high strength steels being considered for armament application. The steels investigated include ASTM A723 (1130 and 1330 MPa), PH ... -
ASME Boiler & Pressure Vessel Code Requirements for Prevention of Brittle Fracture
(The American Society of Mechanical Engineers (ASME), 2003)Ferritic materials used in the fabrication of both nuclear and non-nuclear pressure vessels are required to be ductile and resistant to brittle fracture over the entire range of expected service ... -
Application of Laser Pulse Heating to Simulate Thermomechanical Damage at Gun Bore Surfaces*
(The American Society of Mechanical Engineers (ASME), 2003)Laser pulse heating (LPH) experiments were performed to provide insights into the thermomechanical damage effects that occur at the surface of coated and uncoated gun steel under cyclic, rapid ... -
Influence of the “Critical Velocity” Phenomenon on Chromium-Plated Gun Barrels
(The American Society of Mechanical Engineers (ASME), 2003)A experimental 120 mm L55 tank gun barrel showed heavy loss of the chromium plating at the muzzle region. Experimental and theoretical studies led to the conclusion that high frequency ... -
A Numerical Study of Swage Autofrettage
(The American Society of Mechanical Engineers (ASME), 2003)This paper describes a numerical analysis of the swaging autofrettage of a gun barrel by forcing an oversize mandrel (or “swage”) through the barrel. Analyses are conducted on a two pass ... -
Numerical Analysis of the Effect of Machining on the Depth of Yield, Maximum Firing Pressure and Residual Stress Profile in an Autofrettaged Gun Tube
(The American Society of Mechanical Engineers (ASME), 2003)A multi-linear kinematic, two dimensional finite element model incorporating Bauschinger effect, developed using ANSYS commercial software is used to determine the effect of machining both at the ... -
Crack Propagation in a Gun Barrel Due to the Firing Thermo-Mechanical Stresses
(The American Society of Mechanical Engineers (ASME), 2003)The thermo-mechanical effects of firing induce very considerable stresses on the internal surface of the gun barrels. Consequently, micro-cracks appear very soon in the life of the tube. So it ... -
Thermal Damage, Cracking and Rapid Erosion of Cannon Bore Coatings
(The American Society of Mechanical Engineers (ASME), 2003)Thermal damage observed at the bore of fired cannons has increased noticeably in the past decade, due to the use of higher combustion gas temperatures for improved cannon performance. Current ... -
Actual Unloading Behavior and Its Significance on Residual Stress in Machined Autofrettaged Tubes
(The American Society of Mechanical Engineers (ASME), 2003)A simple method for obtaining actual unloading behavior of high strength steels is proposed. Based on this method loading-unloading stress-strain curves for NiCrMoV125 steel is obtained. It is ... -
Finite Element Simulation of Crack Compliance Experiments to Measure Residual Stresses in Thick-Walled Cylinders
(The American Society of Mechanical Engineers (ASME), 2003)A comparative study to map the residual strain/stress states through the walls of autofrettaged thick-walled high-strength steel cylinders has been conducted with neutron diffraction, Sachs boring, ... -
Hydraulic Versus Swage Autofrettage and Implications of the Bauschinger Effect
(The American Society of Mechanical Engineers (ASME), 2003)A hybrid method is presented which permits calculation of residual stresses in a swage autofrettaged tube including Bauschinger effect. The results are generally supported by three types of ...