... Industry (CRIEPI), 2-6-1, Nagasaka, Yokosuka-shi, Kanagawa-ken, 2400196, Japan ABSTRACT The present paper provides a summary of an inter-laboratory round robin on the fracture toughness testing and Master Curve application on unirradiated materials. First, a validation exercise was performed...

... the different nuclear components are subjected, with the reactor pressure vessel being one of the most critical. In this sense, the use of the mini-CT specimen (a compact tension 4 mm thick specimen) constitutes a promising alternative that has been widely studied together with the Master Curve approach...

... of these studies is the generation of a code that can implement hydraulic models that replace the time and resource-demanding CFD and FEM analysis. PTS CFD CHT FEM master curve crack Proceedings of the ASME 2023 Pressure Vessels & Piping Conference PVP2023 July 16-21, 2023, Atlanta, Georgia PVP2023...

... were investigated by means of fracture toughness curves based on RT NDT , master curve method, instrument indentation method and convention fracture toughness test, applicability of these methods is studied by comparing with actual-measured fracture toughness values and charpy impact test results...

.../ASME FFS-1. We present the results from a comparative study of the two adjustment methods using four sets of test data recently published in the literature. Keywords: Constraint effects, fracture toughness, T-stress, Master Curve, ductile-brittle transition NOMENCLATURE a crack depth B specimen...

...Proceedings of the ASME 2022 Pressure Vessels & Piping Conference PVP2022 July 17-22, 2022, Las Vegas, Nevada, USA PVP2022-83867 IMPACT OF ELEVATED LOADING RATES ON THE SHAPE OF THE MASTER CURVE (ASTM E1921) FOR A GERMAN RPV STEEL Johannes Tlatlik Fraunhofer-Institute for Mechanics of Materials IWM...

...Proceedings of the ASME 2022 Pressure Vessels & Piping Conference PVP2022 July 17-22, 2022, Las Vegas, Nevada, USA PVP2022-78263 ON THE VALIDITY OF THE WEIBULL PARAMETERS USED IN THE MASTER CURVE IN FERRITIC STEELS CONTAINING NOTCHES Sergio Cicero Sergio Arrieta LADICIM, University of Cantabria...

... Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas, Avenida Complutense 22, Madrid, Spain ABSTRACT The H2020 FRACTESUS project is aimed at the validation of miniaturized compact tension (MCT) specimen. More specifically the usage of the MCT with the Master Curve (MC) oriented fracture...

... performed using the Master Curve method in the ASTM E1921-19 standard. After size correction to 1T size using the Master Curve method, no specimen size effect was observed between the 4 mm miniCT and 0.5T CT specimens for the Master Curve reference temperature T 0Q , while the bend bars yielded a higher T...

... 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...

... in the computational costs compared to a full 3D analysis. The analyses were given a probabilistic view by using the Master Curve approach for determining the material(s) fracture toughness. In parallel with these activities, a literature review work was carried out at NRG. The single temperature dependence...

... reference temperature (ASTM E1921 [5]) has been successfully achieved by testing small compact tension (C(T)) specimens (W = 8mm, B = 4mm) of non-irradiated and irradiated pressure vessel materials. However, some concerns exist regarding the use of the Master Curve (MC) on ferritic-martensitic steels...

... 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 in the flux...

... toughness properties. The specimen size and geometry on the fracture toughness results was analyzed and discussed. The effect of irradiation temperature on the tensile properties and the transition temperature as determined by the master curve approach on the mini-CT samples is discussed. NOMAD...

...) and fine-grain HAZ (FGHAZ) were also prepared based on the thermal histories calculated by finite element analysis. For un-irradiated materials, a part of simulated HAZ materials showed a higher reference temperature of the master curve method than that of the base metal (BM). The irradiation hardening...

...MASTER CURVE FRACTURE TOUGHNESS CHARACTERIZATION OF EUROFER97 STEEL VARIANTS USING MINIATURE MULTI-NOTCH BEND BAR SPECIMENS FOR FUSION APPLICATIONS1 Xiang Chen1, Mikhail A. Sokolov1, Arunodaya Bhattacharya1, Logan N. Clowers1, Tim Graening2, Yutai Katoh1, Michael Rieth2 1Oak Ridge National...

... from belt line region by effort of ORNL and provided to CRIEPI under the USA - Japan collaborative agreement on civil nuclear research framework called CNWG. Through-wall fracture toughness distribution was characterized by means of the Master Curve method utilized by 4mm thickness C(T) “Mini-C(T...

... duplex specimen ASTM E1221 Master Curve 1 Copyright © 2013 by ASME Proceedings of the ASME 2013 Pressure Vessels and Piping Conference PVP2013 July 14-18, 2013, Paris, France PVP2013-97954 CRACK ARREST TEST RESULTS OF UNIRRADIATED AND IRRADIATED GERMAN RPV STEELS Florian Obermeier AREVA GmbH Paul...

.... In the lower ductile-brittle transition region the quasi-static Master Curve (MC) reference temperature T 0 is evaluated according to ASTM E 1921-08ae1 and the dynamic MC T 0 according to the Swiss guideline HSK-AN-425, which is compared with a modified ASTM E 1921-08ae1 approach. The ductile behaviour...

... Plasticity RPV Components Transgranular Cleavage Brittle Intergranular Fracture Master Curve Crack-tip Constraint E Proceedings of ASME PVP 2007: 2007 ASME Pressure Vessels and Piping Conference San Antonio, Texas, July 22-26, 2007 MA PV E eth mbH rman Plan Sys lan conventional empirical methods used...