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Keywords: J-R curve
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Proceedings Papers

Proc. ASME. PVP2020, Volume 5: High Pressure Technology, V005T05A008, August 3, 2020
Paper No: PVP2020-21478
... in terms of fracture toughness. Two different testing methods, slow rising displacement and incremental step loading testing, were used to generate J-R curves and determine the fracture toughness. The tests were performed at 40°F in air and simulated sea water (3.5 wt.% NaCl) with applied CP of −1050 mV...
Proceedings Papers

Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A006, August 3, 2020
Paper No: PVP2020-21124
... to meet the stringent fracture toughness criteria and integrity must be verified through static J-R curve testing using the compliance method, one of the measurement techniques for fracture toughness. The measured and estimated values for the crack extension length during the test should also match...
Proceedings Papers

Proc. ASME. PVP2012, Volume 6: Materials and Fabrication, Parts A and B, 97-107, July 15–19, 2012
Paper No: PVP2012-78729
..., USA ABSTRACT: The J-integral resistance curve (or J-R curve) has been widely used as material property in fracture mechanics methods for structural integrity assessment. ASTM E1820 provides the standard fracture toughness test methods to measure JIc and J-R curves. The conventional J-R curve utilizes...
Proceedings Papers

Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 1239-1246, July 17–21, 2011
Paper No: PVP2011-57174
... testing. J -integral J-R curve experimental estimation fracture test ASTM E1820 Copyright © 2011 by ASME 1 Advances in Development of J-Integral Experimental Estimation, Testing and Standardization Xian-Kui Zhu Battelle Memorial Institute 505 King Avenue Columbus, Ohio 43201, USA...
Proceedings Papers

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 97-106, July 18–22, 2010
Paper No: PVP2010-25267
... used in structural integrity assessment. ASTM E1820 is a commonly used fracture toughness test standard for measuring the critical value of J- integral at the onset of ductile fracture and J-R curve. The recommended test procedure is the elastic unloading compliance method where multiple points...
Proceedings Papers

Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 1219-1224, July 26–30, 2009
Paper No: PVP2009-78089
... The normalization method is adopted in this paper to determine J-R curves for X60 pipeline steel using single-edge notched tension (SENT) specimens. A resistance curve procedure associated with the normalization method is developed to estimate crack extension, calculate crack growth corrected...
Topics: Pipelines, Steel
Proceedings Papers

Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 61-68, July 27–31, 2008
Paper No: PVP2008-61219
... 24 07 2009 Fracture toughness and J-R curves of ductile materials are often measured under the guidance of ASTM standard E1820 using the single specimen technique and the elastic unloading compliance method. For the standard single-edge notched bend [SENB] specimens, the load, load...
Proceedings Papers

Proc. ASME. PVP2004, Experience With Creep-Strength Enhanced Ferritic Steels and New and Emerging Computational Methods, 169-184, July 25–29, 2004
Paper No: PVP2004-2581
... selected based on similar triaxiality level as that of piping components, which are to be analysed. Present paper verifies the importance of stress triaxility while selecting the specimen J-R curve and discusses the extrapolation of specimen J-R curve. The applicability of the proposed numerical...
Proceedings Papers

Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 601-616, July 17–21, 2005
Paper No: PVP2005-71310
... cyclic loading and safe number of load cycles in the LBB assessment. Cyclic tearing Reverse cyclic loading LBB assessment J-R curve Proceedings of PVP2005 2005 ASME Pressure Vessels and Piping Division Conference Proceedings of PVP2005 2005 ASME Pressure Vessels and iping Division Conference...
Proceedings Papers

Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 197-204, July 17–21, 2005
Paper No: PVP2005-71485
... 04 08 2008 The crack tip opening displacements and angles (CTOD/CTOA) are calculated with finite element method based on the test data of a set of constraint-dependent J-R curves for A285 carbon steel. The values of the CTOD/CTOA are initially high at initiation, but rapidly decrease...