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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Michael, Klimenkov
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2020New insights into microstructure of irradiated beryllium based on experiments and computer simulationscitations
- 2018Expanding the operation window of RAFM steels by optimized chemical compositions and heat treatments
- 2017Ductilisation of tungsten (W): Tungsten laminated compositescitations
- 2017Assessment of industrial nitriding processes for fusion steel applicationscitations
- 2005Present development status of EUROFER and ODS-EUROFER for application in blanket concepts
- 2004Creep of the austenitic steel AISI 316 L(N). Experiments and models
Places of action
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document
Present development status of EUROFER and ODS-EUROFER for application in blanket concepts
Abstract
Metals & Ceramic Division, ORNL Oak Ridge, Tennessee April 22, 2005 Within the European Union, the two major breeding blanket concepts presently being developed are the Helium Cooled Pebble Bed (HCPB), and the Helium Cooled Lithium Lead (HCLL) blankets. For both concepts, different conceptual designs are being discussed with temperature windows in the range 250-550°C for conservative approaches based on reduced activation ferritic-martensitic (RAFM) steels, and in the range 250-650°C for more advanced versions, taking into account Oxide Dispersion Strengthened (ODS) steels. As a final result of a systematic development of RAFMsteels in Europe, the 9% CrWVTa alloy EUROFER was specified and produced in an industrial scale with a variety of product forms. A large characterisation program is being performed including irradiation in materials test reactors between 60 and 450°C (≤15 dpa), and in a fast breeder reactor at 330°C up to 30 dpa. EUROFER is resistant to high temperature ageing, and the existing creep-rupture data (~30,000 h, 450 - 600°C) indicate long-term stability and predictability. The ODS variant of EUROFER shows superior tensile and creep properties compared to EUROFER. Applying a new production route has diminished the problem of lower ductility and inferior impact properties. Analytical TEM studies, which correlate microstructure and mechanical properties, will be presented. A reliable technique for the joining of ODS and RAFM steels employing diffusion welding was successfully developed.