STRUctural MATerials research for safe Long Term Operation of LWR NPPs

Project Information

STRUMAT-LTO

Grant agreement ID: 945272

DOI

10.3030/945272

Project closed

EC signature date 19 May 2020

Start date 1 September 2020

End date 31 August 2024

Funded under

• Euratom

Total cost

€ 4 466 997,50

EU contribution

€ 3 965 029,25

Coordinated by

HUN-REN ENERGIATUDOMANYI KUTATOKOZPONT
Hungary

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Deliverables

Documents, reports (25)

Report on influence of high fluence irradiation on DBTT properties of RPV steels
Report on modelling methods used to predict FT results of mini-CT specimen before/after high fluence irradiation

A report on modelling methods used to predict FT results of mini-CT specimen before/after high fluence irradiation

A report on master curve testing results of Charpy and half-thick Charpy specimens from LYRA-10
Full characterization of the irradiated microstructure
2nd Newsletter
4th Newsletter
Evaluation of consistency of test results from Lyra-10 irradiation with existing ETE for tested materials (VVER-1000 welds and PWR steels) and their possible extension beyond 60 years of operation
1st Newsletter
Correlation with mechanical properties and identification of synergetic effects of Ni, Mn and Si
Report on results obtained from supplementary tests.
Final report on small specimen results including best practices and lessons learned from small specimen technique
Final report on WP6 activities
A report on influence of high fluence irradiation on tensile properties of RPV steels and effectiveness of annealing in PWR and VVER 1000 steels
Full characterization of the initial microstructure
Report on determined lower boundary fracture toughness curve for high-fluence materials
Report on the state-of-the-art on existing ETEs
Report on factors affecting fracture toughness at high fluences and selection of suitable materials/methods for analysis of high-fluence materials
Applicability of existing ETE to embrittlement results in LYRA-10
Report on the analysis showing the correlation between conventional TK shifts from Charpy testing and T0 values from sub-size specimens

A report on the analysis showing the correlation between conventional TK shifts from Charpy testing and T0 values from sub-size specimens

Report on dissemination WSs (final one)
Report on the state-of-the-art of small specimen use
Report on summer school holding
Report on results obtained from SPT specimens
3rd Newsletter
Evaluation of MC suitability for high-fluence miniature specimens

Publications

Peer reviewed articles (7)

Effectiveness of Thermal Annealing in Recovery of Tensile Properties of Compositionally Tailored PWR Model Steels Irradiated in LYRA-10

Author(s): Laot, M., Naziris, F., Bakker, T., D'Agata, E., Martin, O., Kolluri, M.
Published in: Metals, Issue vol. 904, no. 6, 2022, Page(s) p.12, ISSN 1996-1944
Publisher: MDPI Open Access Publishing
DOI: 10.3390/met12060904

Small Punch Test Setup for In-Cell Testing of Irradiated Materials

Author(s): Welschen, R., Naziris, F., Pierick, P. t., Kolluri, M.
Published in: Materials Performance and Characterization, Issue vol. 11, no. 3, 2022., 2022, ISSN 2165-3992
Publisher: ASTM
DOI: 10.1520/mpc20210113

Investigation of Irradiation Hardening and Effectiveness of Post-Irradiation Annealing on the Recovery of Tensile Properties of VVER-1000 Realistic Welds Irradiated in the LYRA-10 Experiment

Author(s): Mathilde Laot, Viviam Marques Pereira, Theo Bakker, Elio d’Agata, Oliver Martin, Murthy Kolluri
Published in: Metals, Issue 14, 2024, Page(s) 887, ISSN 2075-4701
Publisher: Metals
DOI: 10.3390/met14080887

Positron annihilation study of the reactor pressure vessel model steels irradiated in the high flux reactor

Author(s): Vladimir Krsjak, Stanislav Sojak, Martin Petriska, Branislav Stribrnsky, Robert Hinca, Matus Huska, Vladimir Slugen, Murthy Kolluri, Oliver Martin, Jarmila Degmova
Published in: Journal of Nuclear Materials, Issue Volume 584, 2023., 2023, ISSN 0022-3115
Publisher: Elsevier BV
DOI: 10.1016/j.jnucmat.2023.154563

The Main Results of Structural Materials Research for Safe Long-Term Operation of LWR NPPs from the Viewpoint of Dissemination Activities

Author(s): Shugailo, O., Kolluri, M., Gillemot, F., Ulbricht, U., & Brumovsky, M.
Published in: Nuclear and Radiation Safety, Issue March № 1(97) (2023), 2023, ISSN 2073-6231
Publisher: Odessa National Polytechnic Institute, Nuclear physics and energy
DOI: 10.32918/nrs.2023.1(97).05

Small-angle neutron scattering study of neutron-irradiated and post-irradiation annealed VVER-1000 reactor pressure vessel weld material

Author(s): Ulbricht A, Dykas J, Chekhonin P, Altstadt E and Bergner F
Published in: Frontiers in Nuclear Engineering, Issue Volume 2 - 2023, 2023, ISSN 2813-3412
Publisher: Frontiers Media S.A.
DOI: 10.3389/fnuen.2023.1176288

Structural MATerias research on parameters influencing the material properties of RPV steels for safe long-term operation of PWR NPPs

Author(s): M. Kolluri, O. Martin, F. Naziris, E. D'Agata, F. Gillemot, M. Brumovsky, A. Ulbricht, J-M. Autio, O. Shugailo, A. Horvath
Published in: Nuclear Engineering and Design, Issue Volume 406, 2023, 112236, 2023, ISSN 0029-5493
Publisher: Elsevier BV
DOI: 10.1016/j.nucengdes.2023.112236