Compatibility of materials for fusion reactors with Pb–17Li

Tungsten and SiC f/SiC composite are materials considered for fusion reactors. It is therefore required to assess the corrosion behavior of these materials in contact with Pb–17Li. Corrosion tests of tungsten and SiC f/SiC composites in the presence of isothermal stagnant liquid Pb–17Li have been pe...

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Bibliographic Details
Published in:Journal of nuclear materials 2002-12, Vol.307, p.1351-1354
Main Authors: Barbier, F., Deloffre, Ph, Terlain, A.
Format: Article
Language:English
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Summary:Tungsten and SiC f/SiC composite are materials considered for fusion reactors. It is therefore required to assess the corrosion behavior of these materials in contact with Pb–17Li. Corrosion tests of tungsten and SiC f/SiC composites in the presence of isothermal stagnant liquid Pb–17Li have been performed. Under the tested conditions, in the 450–800 °C temperature range, the dissolution of tungsten is very limited. Furthermore, no formation of reaction products and no liquid metal penetration have been observed. As far as the SiC f/SiC composite is concerned, no reaction with the liquid has been observed at 800 °C. A Pb–17Li penetration has been detected in the open porosity of the cut material.
ISSN:0022-3115
1873-4820
DOI:10.1016/S0022-3115(02)00987-X