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Keywords: welding
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Journal Articles
Article Type: Research-Article
J. Pressure Vessel Technol. April 2022, 144(2): 021504.
Paper No: PVT-20-1168
Published Online: August 18, 2021
... behavior of weld seams is among the most stringent requirements. The microstructural characteristics and fatigue performance double-side-welded AISI 321 plate having 6 mm thickness was evaluated in this work. AISI 321 was welded with double-side-gas tungsten arc welding (DS-GTAW) process. The fatigue...
Journal Articles
Article Type: Research-Article
J. Pressure Vessel Technol. December 2014, 136(6): 061403.
Paper No: PVT-13-1024
Published Online: September 4, 2014
... received January 28, 2014; published online September 4, 2014. Assoc. Editor: Maher Y. A. Younan. 29 01 2013 28 01 2014 In this study, for the hard-facing of spring-loaded pressure relief valve seats, the residual stress distributions after the tungsten inert gas welding, (TIG...
Journal Articles
Article Type: Research-Article
J. Pressure Vessel Technol. December 2012, 134(6): 061406.
Published Online: November 21, 2012
..., 2012; published online November 21, 2012. Assoc. Editor: Frederick W. Brust. 25 08 2011 30 05 2012 Residual stresses and deformation in the butt welding of an ultrathick tube-sheet in a large scale reactor are predicted by finite element method. The effect of applied load...
Journal Articles
Article Type: Technical Briefs
J. Pressure Vessel Technol. June 2012, 134(3): 034503.
Published Online: May 18, 2012
...M. Foroutan; M. E. Aalami-Aleagha; S. Feli; S. Nikabadi In this paper, the effect of hydrostatic testing internal pressure on the residual stresses of circumferentially butt-welded steel pipes is investigated by a three dimensional finite elements simulation based on ansys 11 code. Residual...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2012, 134(2): 021212.
Published Online: March 13, 2012
...Christopher Bayley; John Goldak Weld build-up or weld cladding is a welding process in which weld metal can be deposited in order to reclaim the material thickness. In certain applications, welding induced distortions must be controlled while simultaneously minimizing welding induced residual...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2012, 134(2): 021102.
Published Online: February 16, 2012
... into the B31.1 Power Piping Code (other than Creates, D. H., 2009, “A Procedure to Evaluate a B31.1 Welding End Transition Joint to Include the Fatigue Effects of Thermal Gradients for Design and Plant Life Extension,” PVP2009-77148, Proceedings of the ASME 2009 Pressure Vessels and Piping Conference, Volume 3...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2012, 134(2): 021406.
Published Online: January 30, 2012
...) equipment and research on safety assessment of electrofusion (EF) joints of PE pipes. According to the geometrical characteristics and ultrasonic response, defects in EF joints can be divided into four categories, i.e., poor fusion interface, voids, structural deformity, and over welding. The defect...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2012, 134(1): 011402.
Published Online: December 2, 2011
...Foroogh Hosseinzadeh; Muhammed Burak Toparli; Peter John Bouchard Welding is known to introduce complex three-dimensional residual stresses of substantial magnitude into pressure vessels and pipe-work. For safety-critical components, where welded joints are not stress-relieved, it can be of vital...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. December 2011, 133(6): 061209.
Published Online: October 31, 2011
...H. F. Wang; Z. F. Sang; G. E. O. Widera The fabrication of stainless steel tube-to-tubesheet joints of heat exchangers consists of welding after hydraulic expansion. Here, this process is simulated by use of the finite element method, which is carried out in a sequentially decoupled analysis...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. October 2011, 133(5): 051403.
Published Online: August 24, 2011
...Jianfeng Shi; Jinyang Zheng; Weican Guo Cold welding is the most dangerous defect in the electrofusion joint of polyethylene (PE) pipes. A proprietary method was developed to detect the degree of cold welding by using an Eigen-line, which was discovered in our previous study. To understand when...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2011, 133(4): 041701.
Published Online: May 17, 2011
...Aiman Al-Showaiter; Farid Taheri; Shawn Kenny The aim of the present study is to develop numerical modeling procedures to simulate and study the effect of girth weld induced residual stresses and geometric imperfections on the behavior of conventional carbon steel oil and gas pipelines. The effect...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. June 2011, 133(3): 031701.
Published Online: April 4, 2011
...Tomasz Tkaczyk; Noel P. O’Dowd; Kamran Nikbin The reel-lay method is a cost efficient alternative to the S-lay and J-lay methods for small to medium size steel offshore pipelines. The quality of the pipeline construction is enhanced by on-shore welding and inspection under controlled conditions...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. June 2011, 133(3): 031401.
Published Online: March 29, 2011
...Masahito Mochizuki; Masao Toyoda 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 considering the heterogeneous effect. In particular, the material behavior...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2011, 133(2): 021403.
Published Online: March 14, 2011
...Jun-Seok Yang; Chi-Yong Park; Nam-Su Huh The present paper addresses the mechanical characteristics of the stainless steel narrow gap weld (NGW) for the leak-before-break (LBB) application to the main loop piping of a nuclear power plant. Recently, in Korea, the connection with the reactor coolant...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2011, 133(2): 021401.
Published Online: February 9, 2011
... of large diameter piping due to this damage took place recently in a thermal power plant. In order to update the design method and develop life estimation method for this kind of piping system with axial weld, the creep rupture data of base metal and welded joints have been collected and analyzed...
Journal Articles
Article Type: Technical Briefs
J. Pressure Vessel Technol. February 2011, 133(1): 014504.
Published Online: January 21, 2011
...Wenchun Jiang; Z. B. Wang; J. M. Gong; G. C. Li This paper presents a study of the residual stress in the welding connection between hydrogen nozzle and spherical head in a hydrofining reactor. A sequential coupling finite element program is developed to analyze the residual stress in nozzle...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. December 2010, 132(6): 061205.
Published Online: October 15, 2010
...G. H. Farrahi; S. A. Faghidian; D. J. Smith Welding process is widely used in manufacturing of many important engineering components. For such structures, the most important problem is the development of residual stresses and distortion due to welding. Welding tensile residual stresses have...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. October 2010, 132(5): 051503.
Published Online: October 1, 2010
...Anna M. Paradowska; John W. H. Price; Trevor R. Finlayson; Ronald B. Rogge; Ronald L. Donaberger; Raafat Ibrahim In this research, the neutron diffraction technique was used to investigate the residual stress distributions in constrained carbon steel welds. Two full penetration welds were studied...
Journal Articles
Article Type: Design Innovations
J. Pressure Vessel Technol. October 2010, 132(5): 055001.
Published Online: September 23, 2010
... are more and more interested in extending the life of power plants beyond their original design life. This article takes the first step in addressing the pressing need to address this additional fatigue damage by quantifying thermal gradients in the prevalent B31.1 welding end transitions in Fig. 127.4.2...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. October 2010, 132(5): 051701.
Published Online: August 31, 2010
...Jeroen Van Wittenberghe; Patrick De Baets; Wim De Waele Threaded pipe couplings are used to join pipelines when they have to be uncoupled frequently or as an easy to assemble alternative to welding. A large variety of patented coupling modifications are available, but little is known about...