Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials

Giovanni Bonny; Inge Uytdenhouwen; Eberhard Altstadt; Pentti Arffman; Sergio Cicero; Florian Obermeier; Tom Petit; Pierrick François; Benoît Tanguy; Helen Swan; Hannah Wilcox

doi:10.1115/PVP2024-122258

Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials

Giovanni Bonny, Inge Uytdenhouwen, Eberhard Altstadt, Pentti Arffman, Sergio Cicero, Florian Obermeier, Tom Petit, Pierrick François, Benoît Tanguy, Helen Swan, Hannah Wilcox

BA4510 Fatigue and fracture mechanics

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Abstract

The FRACTESUS project aims to determine the effect of specimen size on the fracture toughness properties. The project has entered its last year and many preliminary data are available. In this contribution, we report on the status of the three main inter-laboratory round robins (RR) that have been completed: i) numerical round robin; ii) experimental round robin on unirradiated materials; and iii) experimental round robin on irradiated material. The numerical round robin is completed by nine different laboratories and shows that the different numerical tools and set-ups used by the different laboratories provide comparable and consistent results. The experimental round robin on six unirradiated materials is completed by 13 different laboratories (>480 fracture toughness tests). Except for the 73W weld material, the reference temperatures T0 obtained from MC(T) specimens by the different laboratories compares well to the ones obtained from large (mostly 1T-C(T)) specimens. The experimental round robin on the irradiated 73W weld material is performed by seven different laboratories (>112 fracture toughness tests). Similar to the unirradiated case, T0 obtained from the MC(T) data set largely underestimates T0 from large specimens by about the same amount.

Original language	English
Title of host publication	Codes and Standards; Computer Technology and Bolted Joints
Publisher	The American Society of Mechanical Engineers(ASME)
ISBN (Electronic)	9780791888476
DOIs	https://doi.org/10.1115/PVP2024-122258
Publication status	Published - 2024
MoE publication type	A4 Article in a conference publication
Event	ASME 2024 Pressure Vessels and Piping Conference, PVP 2024 - Bellevue, United States Duration: 28 Jul 2024 → 2 Aug 2024

Publication series

Series	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	1
ISSN	0277-027X

Conference

Conference	ASME 2024 Pressure Vessels and Piping Conference, PVP 2024
Country/Territory	United States
City	Bellevue
Period	28/07/24 → 2/08/24

Funding

This project has received funding from the Euratom research and training programme 2020-2024 under grant agreement No 900014 (H2020 FRACTESUS). The views and opinions expressed herein do not necessarily reflect those of the European Commission. The contributors enumerated in TABLE 7 are acknowledged for their support and data provision.

Keywords

finite element modelling
FRACTESUS
fracture toughness
master curve
mini compact tension
reactor pressure vessel

Access to Document

10.1115/PVP2024-122258

Cite this

Bonny, G., Uytdenhouwen, I., Altstadt, E., Arffman, P., Cicero, S., Obermeier, F., Petit, T., François, P., Tanguy, B., Swan, H., & Wilcox, H. (2024). Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials. In Codes and Standards; Computer Technology and Bolted Joints Article v001t01a057 The American Society of Mechanical Engineers(ASME). https://doi.org/10.1115/PVP2024-122258

Bonny, Giovanni ; Uytdenhouwen, Inge ; Altstadt, Eberhard et al. / Present Status of the FRACTESUS Project : Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials. Codes and Standards; Computer Technology and Bolted Joints. The American Society of Mechanical Engineers(ASME), 2024. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, Vol. 1).

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title = "Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials",

abstract = "The FRACTESUS project aims to determine the effect of specimen size on the fracture toughness properties. The project has entered its last year and many preliminary data are available. In this contribution, we report on the status of the three main inter-laboratory round robins (RR) that have been completed: i) numerical round robin; ii) experimental round robin on unirradiated materials; and iii) experimental round robin on irradiated material. The numerical round robin is completed by nine different laboratories and shows that the different numerical tools and set-ups used by the different laboratories provide comparable and consistent results. The experimental round robin on six unirradiated materials is completed by 13 different laboratories (>480 fracture toughness tests). Except for the 73W weld material, the reference temperatures T0 obtained from MC(T) specimens by the different laboratories compares well to the ones obtained from large (mostly 1T-C(T)) specimens. The experimental round robin on the irradiated 73W weld material is performed by seven different laboratories (>112 fracture toughness tests). Similar to the unirradiated case, T0 obtained from the MC(T) data set largely underestimates T0 from large specimens by about the same amount.",

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author = "Giovanni Bonny and Inge Uytdenhouwen and Eberhard Altstadt and Pentti Arffman and Sergio Cicero and Florian Obermeier and Tom Petit and Pierrick Fran{\c c}ois and Beno{\^i}t Tanguy and Helen Swan and Hannah Wilcox",

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booktitle = "Codes and Standards; Computer Technology and Bolted Joints",

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Bonny, G, Uytdenhouwen, I, Altstadt, E, Arffman, P, Cicero, S, Obermeier, F, Petit, T, François, P, Tanguy, B, Swan, H & Wilcox, H 2024, Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials. in Codes and Standards; Computer Technology and Bolted Joints., v001t01a057, The American Society of Mechanical Engineers(ASME), American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 1, ASME 2024 Pressure Vessels and Piping Conference, PVP 2024, Bellevue, United States, 28/07/24. https://doi.org/10.1115/PVP2024-122258

Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials. / Bonny, Giovanni; Uytdenhouwen, Inge; Altstadt, Eberhard et al.
Codes and Standards; Computer Technology and Bolted Joints. The American Society of Mechanical Engineers(ASME), 2024. v001t01a057 (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

TY - GEN

T1 - Present Status of the FRACTESUS Project

T2 - ASME 2024 Pressure Vessels and Piping Conference, PVP 2024

AU - Bonny, Giovanni

AU - Uytdenhouwen, Inge

AU - Altstadt, Eberhard

AU - Arffman, Pentti

AU - Cicero, Sergio

AU - Obermeier, Florian

AU - Petit, Tom

AU - François, Pierrick

AU - Tanguy, Benoît

AU - Swan, Helen

AU - Wilcox, Hannah

PY - 2024

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AB - The FRACTESUS project aims to determine the effect of specimen size on the fracture toughness properties. The project has entered its last year and many preliminary data are available. In this contribution, we report on the status of the three main inter-laboratory round robins (RR) that have been completed: i) numerical round robin; ii) experimental round robin on unirradiated materials; and iii) experimental round robin on irradiated material. The numerical round robin is completed by nine different laboratories and shows that the different numerical tools and set-ups used by the different laboratories provide comparable and consistent results. The experimental round robin on six unirradiated materials is completed by 13 different laboratories (>480 fracture toughness tests). Except for the 73W weld material, the reference temperatures T0 obtained from MC(T) specimens by the different laboratories compares well to the ones obtained from large (mostly 1T-C(T)) specimens. The experimental round robin on the irradiated 73W weld material is performed by seven different laboratories (>112 fracture toughness tests). Similar to the unirradiated case, T0 obtained from the MC(T) data set largely underestimates T0 from large specimens by about the same amount.

KW - finite element modelling

KW - FRACTESUS

KW - fracture toughness

KW - master curve

KW - mini compact tension

KW - reactor pressure vessel

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T3 - American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP

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ER -

Bonny G, Uytdenhouwen I, Altstadt E, Arffman P, Cicero S, Obermeier F et al. Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials. In Codes and Standards; Computer Technology and Bolted Joints. The American Society of Mechanical Engineers(ASME). 2024. v001t01a057. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, Vol. 1). doi: 10.1115/PVP2024-122258

Present Status of the FRACTESUS Project: Numerical and Experimental Round Robins on Irradiated and Unirradiated Materials

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