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Keywords: toughness
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Proceedings Papers

Proc. ASME. IPC2022, Volume 2: Pipeline and Facilities Integrity, V002T03A008, September 26–30, 2022
Paper No: IPC2022-86904
... flaws, but deviated from the FE-based solution with both larger flaw depths and lengths. In addition to the new procedure, we included the use of the J-R curve for surface cracks which has been found to be a function of the surface crack a/t in pipe and SEN(T) tests, i.e., toughness is not a constant...
Proceedings Papers

Proc. ASME. IPC2022, Volume 1: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain-Based Design and Assessment; Risk and Reliability; Emerging Fuels and Greenhouse Gas Emissions, V001T08A016, September 26–30, 2022
Paper No: IPC2022-87359
... a broader understanding of material compatibility. hydrogen fatigue toughness fitness for service Proceedings of the 2022 14th International Pipeline Conference IPC2022 September 26-30, 2022, Calgary, Alberta, Canada IPC2022-87359 DEVELOP STANDARD TESTING APPROACH FOR EVALUATION OF MATERIALS...
Topics: Hydrogen, Testing
Proceedings Papers

Proc. ASME. IPC2022, Volume 2: Pipeline and Facilities Integrity, V002T03A037, September 26–30, 2022
Paper No: IPC2022-87302
... Abstract Vintage pipelines often pose unique potential threats compared to modern pipelines, especially as they relate to material properties and construction. Material toughness is a critical parameter governing the resistance of these early pipelines to fracture initiation and propagation...
Proceedings Papers

Proc. ASME. IPC2022, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A020, September 26–30, 2022
Paper No: IPC2022-80723
... Abstract Toughness values of pipe steel and welds are key mechanical properties for material specification and integrity assurance. Toughness is influenced by crack size (deep vs. shallow), loading mode (bending vs. tension), crack orientation and sampled microstructure (notch location...
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A015, September 28–30, 2020
Paper No: IPC2020-9323
... MA characteristics, such as size and cementite fraction, were also very similar among the steels. bainite martensite-austenite constituent coarse grained HAZ prior austenite grainsize toughness EFFECTS OF NIOBIUM ON MICROSTRUCTURE AND HARDNESS OF BASE PLATE AND COARSE GRAINED HAZ OF HIGH...
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A035, September 28–30, 2020
Paper No: IPC2020-9721
...Abstract Abstract Owing to recent concerns regarding pipeline field girth weld performance, particularly heat affected zone (HAZ) softening and toughness, EVRAZ North America has initiated a research program to evaluate the response of API grade line pipe to the current field girth welding...
Proceedings Papers

Proc. ASME. IPC2012, Volume 4: Pipelining in Northern and Offshore Environments; Strain-Based Design; Risk and Reliability; Standards and Regulations, 221-231, September 24–28, 2012
Paper No: IPC2012-90289
... resistance, T R . In general, toughness decreases with increase in initial crack length. J values and tearing resistance are found to be influenced by loading mode; toughness is higher in tension, SE(T), than in bending, SE(B) for a given crack length and test temperature. toughness facture resistance...
Proceedings Papers

Proc. ASME. IPC2012, Volume 2: Pipeline Integrity Management, 335-343, September 24–28, 2012
Paper No: IPC2012-90091
... NOTARIANNI GRTgaz / CTE / DRE Transmission Company 6 rue Raoul Nordling, 92277 Bois-Colombes Cedex - France KEYWORDS Buried transportation steel pipelines, non-destructive mechanical characterization, mechanical properties, yield strength, ultimate tensile strength, toughness, charpy impact energy. ABSTRACT...
Proceedings Papers

Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 4, 175-185, September 27–October 1, 2010
Paper No: IPC2010-31385
... 1 © Her Majesty the Queen in Right of Canada, represented by the Minister of Natural Resources, 2010 Proceedings of the 8th International Pipeline Conference IPC 2010 September 27 - October 1, 2010, Calgary, Alberta, Canada IPC2010-31385 TOUGHNESS CONSIDERATIONS FOR STRAIN-BASED DESIGN Yong-Yi...
Proceedings Papers

Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 2, 393-400, September 29–October 3, 2008
Paper No: IPC2008-64267
... and toughness of the material are estimated. As the depth of the indenter displacement in steel is about 300 μm with no creation of micro-cracks, the test is considered as non-destructive. Hence, measurement can be made on operating pipelines without cut or interruption of gas transit. Gaz de France’s R&D...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 1291-1302, October 4–8, 2004
Paper No: IPC2004-0665
... of ductile fracture referenced to peak pressure and hold-time, and then contrasts these to the response in low-toughness situations. Fracture properties typical of an early-vintage electrical-resistance weld (ERW) seam were determined and used as the basis to simulate the response at toughness levels typical...
Proceedings Papers

Proc. ASME. IPC2006, Volume 3: Materials and Joining; Pipeline Automation and Measurement; Risk and Reliability, Parts A and B, 251-259, September 25–29, 2006
Paper No: IPC2006-10256
... was greater than 15 degree, it was effective to the toughness behavior. pipeline steel effective grain size toughness phase composition micro structural characteristic parameters Proceedings of IPC 2006 6th International Pipeline Conference September 25 - 29, 2006, Calgary, Alberta, Canada...
Proceedings Papers

Proc. ASME. IPC2006, Volume 3: Materials and Joining; Pipeline Automation and Measurement; Risk and Reliability, Parts A and B, 261-267, September 25–29, 2006
Paper No: IPC2006-10257
... regarding strength and toughness we presented. Furthermore the analysis of tensile test results regarding the influence of specimen type, anisotropy and the effect of thermal treatment (low temperature ageing) on the stress-strain curve will be discussed. X100 strength toughness anisotropy ageing...