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Evaluation of Some Low-Activation Structural Materials for Minimizing Radioactive Waste Production by Future Nuclear Fusion Power Plants

Published online by Cambridge University Press:  01 January 1992

Aldo Donato
Aldo Donato*
Affiliation:
Associazione EURATOM-ENEA sulla Fusione, Centro Ricerche Energia Frascati, C.P. 65 - 00044 Frascati, (Rome), Italy
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Abstract

Taking into account the neutron activation (Bq/kWht) and the environmental impact in terms of Ingestion Toxic Potential IT (m3 H2O/kWht) of radioactive wastes coming from several low-activation structural material candidates for future nuclear fusion power reactors, the contribution of the material chemical composition elements and impurities to the overall radioactivity and IT has been assessed. The chemical impurities, also at very low concentrations, have been ascertained to give, in many cases, a considerable contribution to the radwastes environmental impact, as in the case of SiC/SiC fiber composites materials or low-activation martensitic steels.

The orign of impurities origin has been identified and efforts to use this information in the material production processes for nuclear fusion application are suggested.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 294: Symposium V – Scientific Basis for Nuclear Waste Management XVI , 1992 , 235
Copyright
Copyright © Materials Research Society 1993

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References

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