Nuclear materials are studied for their specific utilisations under demanding temperature, pressure and irradiation environments. These materials act as barrier and their structural properties are investigated with emphasis on mechanical performances, durability, plasticity and stability. The Symposium N includes sessions dealing with materials ranging from structural components of fusion systems, advanced spallation or fission units, structural parts of thermal reactors, fuels and waste forms. Macro-properties such as thermodynamical, thermophysical and mechanical as well as microstructural analysis of these materials are discussed for example comparing properties prior and after irradiation.
- The component materials for advanced fusion systems are considered in a first session. The temperature as well as the energy and flux of particles are very high. This session is connected with research activities on structural materials for other systems.
- The liquid or solid targets for advanced units such as spallation sources or accelerator driven systems are treated in the second session.
- The component materials for advanced fission reactors are considered in the third session. The temperature as well as the energy and flux of particles are also very high. This session concerns research activities and R&D for high temperature gas reactors.
- The structural materials of thermal reactors such as cladding, assembly components, reactor internals and vessel or piping are treated in a specific session.
- The fuel materials include advanced oxides, nitrides, carbides or metals in homogeneous form or as composites such as cercer, cermet or metmet that can be used either as fuel or as target for transmutation.
- The waste form materials must be recognised for their durability, low solubility or leaching rate in environmental conditions over geological time scales. In all cases, irradiations with accelerators guide the investigator in choosing the optimal components prior to irradiation in the reactor. The challenge in this century will be to work with reliable or inert material that makes their use safer with respect to economical and ecological goals, making their utilisation more sustainable for nuclear systems. The manuscript submitted to this symposium and accepted for publication will be published in Journal of Nuclear Materials.
Harald Bolt, Max-Planck-Institut fuer Plasmaphysik, Garching/Greifswald, Germany; Dolores Gomez Briceño, CIEMAT, Madrid, Spain; Thomas Fanghänel, FZK, Karlsruhe, Germany; Hans Forsström, IAEA, Vienna, Austria; Wolfgang Hoffelner, PSI, Villigen, Switzerland; Jaap van der Laan, NRG, Petten, The Netherland; Gerard Lander, ITU, CEC; Clement Lemaignan, CEA, Grenoble, France; Bruno Riccardi, ENEA, Frascati, Italy; Eric Simoni, Université Paris Sud, France; Nadine Baluc, EPF, Lausanne, Switzerland; Lars Werme, SKB, Stockholm, Sweden; Wolfgang Wiesenack, NEA/HRP, Halden, Norway.
Claude Degueldre, PSI, Villigen, Switzerland, et al.
Paul Scherrer Institute
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