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Keywords: weld
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Proceedings Papers

Proc. ASME. PVP2022, Volume 4A: Materials and Fabrication, V04AT06A034, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-83819
... Abstract Project BRUTE has investigated weld materials extracted from the decommissioned Barsebäck 2 reactor pressure vessel. The materials investigated originate from the pressure vessel head (RPVH) and beltline regions. The performed mechanical testing include tensile, Charpy impact...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A102, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21077
... of 528°C at almost a half pressure (0.46 Kg/mm2 vs. 1.06 Kg/mm2). X-ray diffraction (XRD) technique applied close to the weld highlighted anomalously high stress-level on the outer surface for all four butt-joint samples tested. Residual-stress over 400 MPa observed along the cylinder s tangential...
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A101, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93429
... Abstract Previous study carried out residual stress characterization for the welds of the high-temperature-section (superheater / reheater) lower headers of the bottom-supported heat-recovery steam generator (HRSG). Modeling the gas-tungsten arc, manual welding process considered only weld-lay...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A034, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93228
... creep creep - cyclic plasticity interaction creep-fatigue damage LMM residual stress weld Abstract To meet the growing energy demands, the power sector continuously strives at enhancing the efficiency of its power plants by increasing the operating temperature. Under cyclic loading...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A061, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93869
... Grade 91 in-service crack weld weldment high energy piping time to failure creep damage Abstract After a power piping system has begun commercial operation, it is recommended that the initial nondestructive examination (NDE) of the welds should be developed and executed to reveal...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A001, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93022
...JAPANESE WELDING GUIDELINE FOR DUPLEX STAINLESS STEELS Dr. Hiroyuki IWAMOTO Prof. Dr. Eng., Fumiyoshi MINAMI GM, Chiyoda Corporation Director, Joining & Welding Research Institute 4-6-2, Minatomirai Nishi-ku Yokohama (JWRI) Osaka University 220-8765, Japan 11-1, Mihogaoka, Ibaraki, Osaka, 567-0047...
Proceedings Papers

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 3-9, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57145
... Axial buckling critical load of large welded steel tanks is very sensitive to initial circumferential weld geometric imperfections on the tank walls. It is worth noting that some local geometric imperfections are also existed in the following service time. It is meaningful to explore effect...
Topics: Buckling, Steel
Proceedings Papers

Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 759-765, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77236
... weld shell brittle-to-ductile transition temperature Charpy specimens Study of weld metal and shell metal of VVER-1000 reactor is carried out. Metal of the control welded joint performed to the welds Nos. 3 and 4 and metal of the test ring of supporting shell is used. For each...
Proceedings Papers

Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 899-907, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71208
... Steady-state Eulerian analysis on thermal simulation of welds using moving coordinates is known as a very computationally efficient method. This paper presents a method of Eulerian analysis that uses commercial computational fluid dynamics (CFD) code. In order to show the practical availability...
Proceedings Papers

Proc. ASME. PVP2006-ICPVT-11, Volume 1: Codes and Standards, 459-465, July 23–27, 2006
Publisher: American Society of Mechanical Engineers
Paper No: PVP2006-ICPVT-11-93808
... the structural integrity of cracked pressure vessels or piping systems than Level 1 Assessment. One of the notable revisions of Level 1 and the additions in Level 2 are the weld residual stress assessment of welded components. In the Level 1 assessment, the simplified residual stress distribution was defined...