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Keywords: fracture mechanics
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Journal Articles
Article Type: Research-Article
J. Pressure Vessel Technol. February 2015, 137(1): 011204.
Paper No: PVT-13-1168
Published Online: September 15, 2014
... Pressurized Thermal Shock in Reactor Pressure Vessels ,” Fracture Mechanics , J. D. Landes, D. E. McCabe, and J. A. M. Boulet, eds., Vol. 24 , ASTM STP 1207, pp. 152 – 168 . [10] Anderson , T. L. , 2005 , Fracture Mechanics-Fundamentals and Applications , 3rd ed., CRC Press, Boca Raton, FL...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2012, 134(1): 011302.
Published Online: December 8, 2011
... measured temperatures showed that the modeling used is suitable to obtain enveloping results. Fracture mechanics analyses were carried out for circumferential flaw sizes in the weld joint near the core region and between the RPV shell and the flange, as well as for axial flaws in the nozzle corner. Stress...
Journal Articles
Article Type: Technical Briefs
J. Pressure Vessel Technol. October 2011, 133(5): 054501.
Published Online: July 11, 2011
...J. M. Alegre; I. I. Cuesta In order to calculate the fatigue life of cylinders subjected to internal pressure using the fracture mechanics approach, the stress intensity factors (SIFs) for internal semi-elliptical cracks are needed. Nowadays, the most accurate procedure for fatigue life calculation...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2011, 133(4): 041402.
Published Online: May 17, 2011
... can be used directly into strain based assessment. Moreover, they can be coupled with fracture mechanics to assess cracks for which the state of stress must be known in the location of crack tip, not necessarily found in the dent peak. Furthermore, probabilities derived from the statistical...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. June 2011, 133(3): 031302.
Published Online: April 7, 2011
... considered. The main purpose of the numerical thermal-hydraulic studies is to accurately estimate the distribution of fluid temperature in the downcomer and the heat transfer coefficients on the inner RPV surface for a fracture mechanics computation, which will subsequently assess the associated RPV safety...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2011, 133(2): 021002.
Published Online: February 9, 2011
... II (i.e., shear mode) fracture tests were undertaken with and without CNT applied locally at the joint interface. During the study, the image correlation technique was used to examine the fracture mechanisms altered by the introduction of CNT. The experimental study showed that CNT increased the...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2010, 132(4): 041203.
Published Online: August 5, 2010
... , Y. J. , Kim , J. S. , Park , Y. J. , and Kim , Y. J. , 2004 , “ Elastic-Plastic Fracture Mechanics Method for Finite Internal Axial Surface Cracks in Cylinders ,” Eng. Fract. Mech. 0013-7944 , 71 , pp. 925 – 944 . 10.1016/S0013-7944(03)00159-0 Moreno , J. , and...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2010, 132(4): 041404.
Published Online: July 23, 2010
... . 10.1098/rspa.1984.0116 Riedel , H. , and Rice , J. R. , 1980 , “ Tensile Cracks in Creeping Solids ,” Proceedings of the 12th Fracture Mechanics Conference , American Society for Testing Materials , Philadelphia, PA , pp. 112 – 130 . Shih , C. F. , 1983 , “ Singular Field...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2010, 132(4): 041401.
Published Online: July 23, 2010
... 01 02 2010 23 07 2010 23 07 2010 British Standards Institution , 1979 , “ Methods for Crack Opening Displacement (COD) Testing ,” BS5762. British Standards Institution , 1991 , “ Fracture Mechanics Toughness Tests. Method for Determination of KIC , Critical CTOD and...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2010, 132(1): 011403.
Published Online: December 15, 2009
...K. Ragupathy; K. Ramesh; D. Hall The failure assessment diagram (FAD) is a simplified and robust flaw assessment methodology, which simultaneously connects two dominant failure criteria: linear elastic fracture mechanics on one end and plastic collapse on the other end. This interaction is in the...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. December 2009, 131(6): 061402.
Published Online: October 1, 2009
... Stochastic Fracture Mechanics ,” Eng. Fract. Mech. 0013-7944 , 73 , pp. 2093 – 2109 . 10.1016/j.engfracmech.2006.04.010 Efron , B. , and Stein , C. , 1981 , “ The Jackknife Estimate of Variance ,” Ann. Stat. 0090-5364 , 9 , pp. 586 – 596 . 10.1214/aos/1176345462 Rabitz , H...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2009, 131(4): 041403.
Published Online: June 26, 2009
.... Also, brittle fracture experiments were performed on carbon steel plates with two nonaligned flaws. From these calculations and experiments, authors studied the effect of stress intensity factor interaction on fracture behavior and proposed a new alignment rule for linear elastic fracture mechanics...
Journal Articles
Article Type: Design Innovations
J. Pressure Vessel Technol. June 2009, 131(3): 035001.
Published Online: February 11, 2009
... formulas for thickness requirements and determination of peak stresses and stress distributions for fatigue and fracture mechanics analyses in thick blind ends. The use of these proposed design formulas provide a more accurate determination of the required thickness and fatigue life of blind ends. The...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2009, 131(2): 021408.
Published Online: January 23, 2009
... predictions. It was found that more realistic modeling of crack introduction had a major effect on the accuracy of failure predictions, with the effects of material hardening being of secondary importance. see Acknowledgment. failure (mechanical) fracture mechanics internal...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2009, 131(2): 021210.
Published Online: January 21, 2009
... a fracture mechanics framework. fatigue fracture mechanics steel 06 08 2007 08 11 2007 21 01 2009 European Committee for Standardization–CEN , 2002 , “ EN 13445: Unfired Pressure Vessels ,” European Standard. Miner , M. A. , 1945...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2009, 131(1): 011402.
Published Online: November 24, 2008
... method is an extension of probabilistic fracture mechanics approach but is capable of modeling crack initiation, crack propagation, and crack depth density distribution at a given cycle. To verify the methodology, crack depth distribution observed in thermal fatigue test specimens was evaluated, and it...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. November 2008, 130(4): 041212.
Published Online: October 14, 2008
... Manual, Hibbit, Karlsson and Sorensen, Inc. Anderson , T. L. , 1995 , “ Fracture Mechanics: Fundamentals and Applications ,” 2nd ed. , CRC , Boca Raton, FL . Atkins A. G. , and Mai Y.-W. , 1985 , “ Elastic and Plastic Fracture: Metals, Polymers, Ceramics, Composites...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2008, 130(3): 031403.
Published Online: June 6, 2008
... emergency core cooling was performed, and the leading leak size was determined. A fracture mechanics based assessment was carried out for extended circumferential flaws in the weld joint between the RPV shell and the flange, as well as for axial flaws in the nozzle corner. These flaw geometries postulated...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2008, 130(3): 031401.
Published Online: June 3, 2008
... monotonically, the midsection of the crack front will advance first, which will be followed by crack growth along the rest of the crack front, leading to the formation of a thumbnail shaped crack-front profile. From the viewpoint of fracture mechanics, crack tunneling will occur if the operating fracture...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. May 2008, 130(2): 021101.
Published Online: March 17, 2008
.... McIntyre , P. , and Pumphrey , P. H. , 1988 , private communication. boilers fatigue cracks fracture mechanics pressure vessels standards Vessel design parameters Design pressure 15,000 psi ( 103 MPa ) Design temperature 100 ° F ( 38...