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Keywords: welds
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Journal Articles
Article Type: Research-Article
J. Pressure Vessel Technol. February 2016, 138(1): 011402.
Paper No: PVT-15-1003
Published Online: August 26, 2015
...Shigeru Takaya This paper presents an evaluation method for the fatigue strength of similar and dissimilar welded joints of modified 9Cr–1Mo steel, which is a candidate structural material for demonstration of fast-breeder reactor being developed in Japan. The discontinuity of the mechanical...
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): 021404.
Published Online: January 13, 2012
... for the weld metal SFA-5.23 B9 (2004). For Grade 91 and Grade T92 using the highest tempering temperature permitted by ASME Code, 800 °C, would permit certain alloys conforming to the chemical composition specification to be tempered above their A 1 , thereby risking the formation of untempered martensite...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2012, 134(2): 021401.
Published Online: January 11, 2012
...Cédric Chauvy; Lionel Coudreuse; Patrick Toussaint During fabrication of Pressure Vessels, steels undergo several heat treatments that aim to confer the required properties on the entire equipment, including welds and base metal. Indeed, the production heat treatment of the base material, which...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2012, 134(1): 011403.
Published Online: December 20, 2011
... to characterize the fracture toughness of nonused coiled tubing, using nonstandard specimens due to difficulties with their small thickness and diameters. Different crack lengths and crack locations were tested to analyze the 2C 0 /W ratio and the influence of the longitudinal weld. The R curves obtained show...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2012, 134(1): 011209.
Published Online: December 7, 2011
...S. Feli; M. E. Aalami Aaleagha; M. Foroutan; E. Borzabadi Farahani In this paper, a finite element simulation, based on abaqus software is presented for analyzing the temperature history and the residual stress states in multipass welds in stainless steel pipe. The uncoupled thermal–mechanical...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2012, 134(1): 011203.
Published Online: December 1, 2011
...Tianbai Li; Haofeng Chen; Weihang Chen; James Ure This paper presents the ratchet limit analysis of a pipe with an axisymmetric circumferential crack in a mismatched weld by using the extended linear matching method (LMM). Two loading conditions are considered: (i) a cyclic temperature load...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. December 2011, 133(6): 061401.
Published Online: October 19, 2011
...Wenchun Jiang; B. Yang; J. M. Gong; S. T. Tu This paper used finite element method (FEM) to predict the residual stresses in repair weld of a stainless steel clad plate. The effects of clad metal thickness and base metal thickness on residual stresses have been investigated. The results show...
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): 031402.
Published Online: April 1, 2011
...Jinya Katsuyama; Kunio Onizawa Welding residual stress is one of the most important factors of stress corrosion cracking (SCC) for austenitic stainless steels of the pressure boundary piping in nuclear power plants. For the assessment of the integrity of piping particularly for a long-term...
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. 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: Research Papers
J. Pressure Vessel Technol. October 2010, 132(5): 051502.
Published Online: August 25, 2010
...P. R. Vaidya; D. Narain; Sunil Kumar Tube-to-tube-sheet (TTS) welds, occurring in heat exchangers, condensers, and steam generators, are exempted from volumetric nondestructive examination, such as radiography or ultrasonic tests, due to their geometry. An approach of stricter quality control...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2010, 132(4): 041404.
Published Online: July 23, 2010
...Masataka Yatomi; Akio Fuji; Masaaki Tabuchi; Yasushi Hasegawa; Ken-ichi I. Kobayashi; Toshimitsu Yokobori; Takeo Yokobori High Cr ferritic heat resisting steels have been widely used for boiler components in ultrasupercritical thermal power plants operated at about 600 ° C . In the welded joint...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2010, 132(2): 021205.
Published Online: March 30, 2010
...Wei Jiang; Kadda Yahiaoui Welded, thick-walled piping intersections are widely used in many engineering applications including the offshore and nuclear power industries. These components are often fabricated by multipass welding, which inevitably introduces undesirable residual stresses...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2010, 132(1): 011502.
Published Online: January 4, 2010
...Anna M. Paradowska; John W. H. Price; Trevor R. Finlayson; Ulrich Lienert; Raafat Ibrahim This paper explores the use of neutron and synchrotron diffractions for the evaluation of residual stresses in welded components. It has been shown that it is possible to achieve very good agreement between...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2010, 132(1): 011402.
Published Online: December 9, 2009
...John Goldak; Mahyar Asadi; Jianguo Zhou; Stanislav Tchernov; Dan Downey An overlay weld repair procedure on a 1066.8 × 1066.8 mm 2 square plate 25.4 mm thick was simulated to compute the 3D transient temperature, microstructure, strain, stress, and displacement of the overlay weld repair procedure...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. December 2009, 131(6): 061406.
Published Online: October 28, 2009
...M. Turski; M. C. Smith; P. J. Bouchard; L. Edwards; P. J. Withers Application of electronic speckle pattern interferometry (ESPI) is described to measure the spatial variation in monotonic tensile stress-strain properties along “cross-weld” specimens machined from a stainless steel three-pass...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. December 2009, 131(6): 061405.
Published Online: October 13, 2009
...Stefan Holmström; Juhani Rantala; Anssi Laukkanen; Kari Kolari; Heikki Keinänen; Olli Lehtinen Structures operating in the creep regime will consume their creep life at a greater rate in locations where the stress state is aggravated by triaxiality constraints. Many structures, such as the welded...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. October 2009, 131(5): 051502.
Published Online: September 3, 2009
...Xiang Ling; Gang Ma High tensile weld residual stress is an important factor contributing to stress corrosion cracking (SCC). Ultrasonic impact treatment (UIT) can produce compressive stresses on the surface of welded joints that negate the tensile stresses to enhance the SCC resistance of welded...