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Keywords: creep testing
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. October 2010, 132(5): 051204.
Published Online: August 23, 2010
... pressure creep tests were conducted on P91 steel longitudinal welded tubes to characterize the evolution of creep damage with time and to evaluate a life prediction method. Interrupted creep tests were performed for damage observation in addition to rupture tests. Three dimensional finite element creep...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. June 2009, 131(3): 031403.
Published Online: April 7, 2009
... to a standard procedure ( 13 ) and were observed. The observed images at the two defects could be useful for quantifying the conservatism of the assessment procedures. 16 03 2008 03 10 2008 07 04 2009 austenitic stainless steel creep creep testing fatigue cracks fatigue...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2009, 131(2): 021406.
Published Online: January 6, 2009
... the processes and mechanisms of Type IV creep damage using Mod.9Cr–1Mo (ASME Grade 91) steel weldments. Long-term creep tests for base metal, simulated fine-grained HAZ, and welded joints were conducted at 550 ° C , 600 ° C , and 650 ° C . Furthermore, creep tests of thick welded joint specimens were...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2009, 131(2): 021401.
Published Online: December 9, 2008
...S. Peravali; T. H. Hyde; K. A. Cliffe; S. B. Leen Past studies from creep tests on uniaxial specimens and Bridgman notch specimens, for a P91 weld metal, showed that anisotropic behavior (more specifically transverse isotropy) occurs in the weld metal, both in terms of creep (steady-state) strain...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2009, 131(1): 011403.
Published Online: November 25, 2008
.... Positive nonlinear rate sensitivity was observed in monotonic loading. Creep response was found to be significantly influenced by prior stress rate. The effect of loading history on creep was studied in stepwise creep tests, where specimens were subjected to a constant stress rate loading followed...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. August 2007, 129(3): 454–459.
Published Online: September 21, 2006
... similar to those used for creep testing). At 500 – 600 ° C , 2.25 Cr - 1 Mo steels showed a superior oxidation resistance than 1.25 Cr - 0.5 Mo steels. However, at 700 ° C , the oxidation resistance of 1.25 Cr - 0.5 Mo and 2.25 Cr - 1 Mo steels was similar. Multilayer oxide formation was observed to occur...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. November 2007, 129(4): 713–718.
Published Online: July 14, 2006
.... For the precise creep damage prediction, it will be necessary to have a database from the real boiler piping as well as for creep test specimens. The parameter fluctuation becomes small after the middle stage of the creep damage process. It is considered that the creep damage becomes a dominant indication...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2006, 128(1): 46–48.
Published Online: October 10, 2005
...-reduction factors based on creep testing of weldments or use default values, which are specified for use in the absence of more applicable data. It is hoped that the requirement for weld joint strength-reduction factors will lead to improved technology in this area. Increased focus on this issue...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. May 2004, 126(2): 194–201.
Published Online: May 5, 2004
... creep elastoplasticity finite element analysis creep testing geometry pressure vessels Assessment of failure strength for a pipe with local wall thinning is an issue in many pipeline industries, such as gas industries and nuclear power plant industries. Accordingly a number of guidelines...
Journal Articles
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2001, 123(1): 105–111.
Published Online: October 23, 2000
.... Zamrik. 23 July 2000 18 October 2000 23 October 2000 boilers pressure vessels creep testing fatigue testing steel alloy steel molybdenum alloys chromium alloys elasticity plasticity tensile strength Creep cavity and crack initiation incidents in boiler weldment...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2000, 122(4): 413–420.
Published Online: July 17, 2000
... fracture mechanical engineering computing mechanical testing creep testing strain measurement With the availability today of powerful personal computers and the easier access to inelastic finite element programs, pressure component designers now have the ability to tackle problems involving...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2000, 122(4): 482–487.
Published Online: July 6, 2000
... . Manuscript received by the PVP Division, April 8, 1998; revised manuscript received July 6, 2000. Technical Editor: S. Y. Zamrik. 08 April 1998 06 July 2000 creep creep testing pressure vessels Creep Larson-Miller Parameter Data Analysis Life Distribution Least-Squares Method...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. August 2000, 122(3): 273–280.
Published Online: May 17, 2000
... 2000 17 May 2000 materials testing creep testing welding petroleum industry finite element analysis pressure vessels life testing For over a decade many petroleum companies have taken advantage of new tools developed for life assessment of components in the creep range. Dubbed...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2000, 122(1): 66–71.
Published Online: October 19, 1999
... are repeated or cyclic, relax with time, and have been known to cause failure. thermal stresses stress relaxation turbines high-temperature effects creep testing stainless steel failure analysis pressure vessels fracture toughness 01 August 1999 15 August 1999 19 October...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2000, 122(1): 15–21.
Published Online: October 11, 1999
... creep testing high-temperature techniques finite element analysis stress relaxation notch testing heat treatment In many components operating at high temperatures, there are inevitably geometrical discontinuities. These discontinuities have a strong effect on the material fatigue life due...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2000, 122(1): 22–26.
Published Online: October 11, 1999
... in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY . Manuscript received by the PVP Division, May 21, 1998; revised manuscript received October 11, 1999. Associate Technical Editor: J. Pan. 21 May 1998 11 October 1999 finite element analysis creep testing pressure vessels modelling welding...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. May 2000, 122(2): 121–124.
Published Online: October 11, 1999
... in design of process piping is to limit the deflection to 1/2 in. (13 mm). pressure vessels high-temperature effects creep testing supports austenitic stainless steel bending elastic deformation 2000 ASME ...