Fourth DONES Users Workshop

Small Specimen Test Technique to investigate neutron irradiation effects: development performed within EUROfusion project in 2021-2025

14 oct 2026, 9:55

15m

Main Auditorium (CIEMAT)

Qualification of materials for the fusion programme, DEMO and fusion power plant

Ponente

Dmitry Terentyev

Descripción

D. Terentyev1,2, E. Gaganidze3, Mario Walter3, M. Carrington4, K. Amjad4, D. Cinger5, A. Zinovev1, D. Bermudez1,6, M. Serrano7, R. Hernandez7, R. Molak8, G. Pintsuk9, G. Aiello10

1. Belgian Nuclear Research Centre, SCK CEN, Mol, 2400, Belgium
2. Ghent University, Department of Materials, Textiles and Chemical Engineering, Ghent, Belgium
3. Karlsruhe Institute of Technology (KIT), Institute for Applied Materials, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
4. United Kingdom Atomic Energy Authority, Culham Centre for Fusion Energy, Culham Science Centre, Abingdon, Oxon OX14 3DB, UK
   5 HUN-REN CER, KFKI Campus, 1121, Budapest, Konkoly-Thege Miklós út 29-33, Hungary
   6 Institute of Mechanics, Materials and Civil Engineering, UCLouvain, 1348 Louvain-la-Neuve, Belgium
5. CIEMAT. Avd. Complutense 40, 28040 Madrid, Spain
6. Warsaw University of Technology, Faculty of Materials Science and Engineering, Wołoska 141,
   02-507 Warsaw, Poland
7. Forschungszentrum Jülich GmbH, Institute of Fusion Energy and Nuclear Waste Management – Plasma Physics, 52425 Jülich, Germany
8. EUROfusion PMU, Boltzmannstraße 2, 85749, Garching, Germany

Within the EUROfusion programme, the Work Package “Materials”, among various objectives, pursues the development of validation of so-called “Small Specimen Test Techniques” (SSTT) to enable cost-efficient use of irradiation facilities. The main issue to be resolved is to elaborate a prudent approach for the inclusion of the sub-sized geometries of specimens, which are currently out validity range or not specified in the existing test standards. Six labs are contributing to this subject, focussing the efforts on:
(i) review on the currently available SSTT methods and samples geometries used in previous programmes;
(ii) identify and propose small size geometries for tensile, fatigue, creep and fracture tests;
(iii) execute experimental programs to validate (minimum) allowable size and transferability of the properties extracted using SSTT;
(iv) prepare the guidelines (and recommendations) to establish the basis for a standard of “fusion specific SSTT”;
(v) execute Pilot Run and Interlaboratory study on down-selected test configurations.

This contribution presents an overview of the current status, example of achieved tasks and near-term action plan.