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The purpose of this article is to propose criteria for defining low-activation materials. These criteria take into account the three fundamental characteristics of the reactor which will be affected by the neutron-induced radioactivity: radioactive emissions in routine and off-normal conditions, maintenance operations after a shutdown, and waste management and disposal aspects. The activation of some typical candidate fusion reactor structural materials (reference steels, reduced activation steels and non-ferrous low-activation alloys) has been simulated in power reactor-relevant conditions. The compliance of the candidate materials with the proposed criteria has been examined. It is found that only non-ferrous materials can fulfil all the proposed low-activation requirements.

Additional information

Authors: ROCCO P, JRC Ispra (IT);ZUCCHETTI M, Politecnico di Torino, Dipartimento di Energetica (IT)
Bibliographic Reference: Article: Fusion Engineering and Design, Vol. 15 (1992), pp. 235-244
Record Number: 199210866 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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