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Keywords: fracture toughness
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Proceedings Papers

Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A057, July 13–15, 2021
Paper No: PVP2021-60755
...Abstract Abstract Fracture toughness is an important material property used to characterize material resistance against crack tearing. In ASTM E1820 standard fracture toughness test method developed for metallic materials, the elastic unloading compliance method is recommended for measuring...
Proceedings Papers

Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A037, July 13–15, 2021
Paper No: PVP2021-63030
... fitness-for-service mechanical properties fracture toughness carbon steel wet H 2 S cracking hydrogen induced cracking (HIC) sulfide stress cracking (SSC) sour service hydrogen sulfide (H 2 S) Proceedings of the ASME 2021 Pressure Vessels & Piping Conference PVP2021 July 13-15, 2021...
Proceedings Papers

Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A066, July 13–15, 2021
Paper No: PVP2021-61906
... miniature compact tension master curve fracture toughness reactor pressure vessel Proceedings of the ASME 2021 Pressure Vessels & Piping Conference PVP2021 July 13-15, 2021, Virtual, Online PVP2021-61906 FRACTESUS PROJECT: GENERAL FRAMEWORK OF MATERIALS SELECTION AND TESTING PROCESSES Tomasz Brynk...
Proceedings Papers

Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A057, July 13–15, 2021
Paper No: PVP2021-61725
... Proceedings of the ASME 2021 Pressure Vessels & Piping Conference PVP2021 July 13-15, 2021, Virtual, Online PVP2021-61725 EFFECT OF PLASTIC CONSTRAINT AND CLADDING ON SEMI-ELLIPTICAL SHAPED CRACK IN FRACTURE TOUGHNESS EVALUATION FOR A REACTOR PRESSURE VESSEL STEEL Masaki Shimodaira1*, Tohru...
Proceedings Papers

Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A025, July 13–15, 2021
Paper No: PVP2021-62040
... Proceedings of the ASME 2021 Pressure Vessels & Piping Conference PVP2021 July 13-15, 2021, Virtual, Online PVP2021-62040 DETERMINATION OF EUROFER97 FRACTURE TOUGHNESS BY TESTING SMALL C(T) SPECIMENS David Andres1, Marta Serrano2, Rebeca Hernandez2, Yiqiang Wang1, Mark Richardson1 1UK Atomic...
Proceedings Papers

Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A058, July 13–15, 2021
Paper No: PVP2021-61892
...Abstract Abstract The Japanese Electric Association Code 4206-2016 requires that the semi-elliptical crack sized 10 mm in depth × 60 mm in length shall be postulated near the inner surface of a reactor pressure vessel (RPV) in pressurized thermal shock events. The fracture toughness...
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. PVP2020, Volume 6: Materials and Fabrication, V006T06A008, August 3, 2020
Paper No: PVP2020-21169
..., accurately obtaining the fracture toughness is very essential for the safety assessment of the crack-containing pipelines. However, the fracture toughness is not a material intrinsic parameter, but heavily depends on the constraint. To obtain the accurate relationship between the constraint and the fracture...
Proceedings Papers

Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A018, August 3, 2020
Paper No: PVP2020-21748
... in the modern regulatory method for radiation embrittlement assessment of the Ukrainian WWER-1000 RPVs. reactor pressure vessel radiation embrittlement fracture toughness critical temperature of brittleness surveillance programme weld metal statistical analysis chemical factor synergetic effect...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A038, August 3, 2020
Paper No: PVP2020-21515
... FRACTURE TOUGHNESS CHARACTERIZATION IN THE TRANSITION AND DUCTILE REGIME OF AN A508 TYPE WELD METAL WITH THE MINI-CT GEOMETRY BEFORE AND AFTER IRRADIATION Marlies Lambrecht1, Rachid Chaouadi1, Inge Uytdenhouwen1 and Robert Gérard2 1 SCK CEN, Boeretang 200, 2400 Mol, Belgium 2 Tractebel-ENGIE...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A049, August 3, 2020
Paper No: PVP2020-21441
... For structural integrity assessment of the reactor pressure vessel (RPV) in JEAC 4206-2016, it is required that the fracture toughness (KJc) be higher than the stress intensity factor at the crack tip of a postulated under-clad crack (UCC) near the inner surface of RPV steel under the pressurized thermal shock...
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 1: Codes and Standards, V001T01A059, August 3, 2020
Paper No: PVP2020-21312
...Abstract Abstract In this study, we performed fracture toughness characterization of ten neutron-irradiated Eurofer97 variants using precracked miniature multi-notch bend bar (M4CVN) specimens based on the Master Curve method in the ASTM E1921 standard. The neutron irradiation was performed...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A060, August 3, 2020
Paper No: PVP2020-21513
... gradients from the outside to the center of the cylindrical blocks, the latter were limited in size. Only tensile and fracture toughness data could therefore be obtained with mini-tensile and mini-CT specimens. The results show that no influence of the temperature gradient could be found on the tensile...
Proceedings Papers

Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A071, August 3, 2020
Paper No: PVP2020-21141
... mechanisms must be understood and managed adequately. It has been recognized that there are knowledge and data gaps in the existing information and technical bases for long-term operation and aging management. In particular, post-irradiation data on fracture toughness and crack growth rate are lacking...
Proceedings Papers

Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A082, August 3, 2020
Paper No: PVP2020-21857
... that high carbon content due to carbon macro-segregation can affect the mechanical properties of steels, leading to decreases in ductility and fracture toughness. In this study, possible effects of carbon macro-segregation have been examined using a large-scale forged steel “bottom head dome” of a reactor...
Proceedings Papers

Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A102, August 3, 2020
Paper No: PVP2020-21481
... safely be used in the safety assessment of RPVs. In addition, the results will establish a basis to assess results from international projects regarding sub-sized fracture mechanics specimens. reactor pressure vessel brittle fracture fracture toughness fracture mechanics irradiation induced...
Proceedings Papers

Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A076, August 3, 2020
Paper No: PVP2020-21445
... pressurized thermal shock (PTS) events. austenitic cladding fracture toughness reactor pressure vessel vessel integrity lifetime PROPERTIES OF CLADDING WITH RESPECT TO RPV INTEGRITY Milan Brumovský ÚJV e a.s. , 250 68 e , Czech Republic Keywords: austenitic cladding, fracture toughness...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A005, July 14–19, 2019
Paper No: PVP2019-93709
...HYDROGEN EFFECTS ON FRACTURE TOUGHNESS OF ADDITIVELY MANUFACTURED TYPE 304L STAINLESS STEEL Anthony McWilliams1, Michael Morgan, Paul Korinko Savannah River National Laboratory Aiken, SC ABSTRACT Rectangular blocks of Type 304L stainless steel were additively manufactured (AM) using the directed...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A012, July 14–19, 2019
Paper No: PVP2019-93660
...EFFECTS OF IN-PLANE AND OUT-OF-PLANE CONSTRAINT ON FRACTURE TOUGHNESS IN AUSTENITIC STAINLESS STEEL Iain Palmer 1, Mehdi Mokhtarishirazabad 2*, Andrew Moffat 1, Mahmoud Mostafavi 2 1Frazer-Nash Consultancy Ltd, Bristol, UK 2Department of Mechanical Engineering, University of Bristol, Bristol, UK...