Zur chemischen Stabilität bei innovativen Kernreaktoren : Korrosion von graphitischen Strukturen durch Wasser und Luft, Konzepte zum inhärenten Schutz vor schweren Schäden

摘要

Nuclear energy probably will not contribute significantly to the future worldwide energy supply until it can be made $mathbf{catastrophe-free}$. Therefore it has to be shown, that the consequences of even largest accidents will have no major impact an the environment of a power plant. In this paper one of the basic conditions for such a nuclear technology is discussed. Using mainly the pebble-bed high-temperature reactor as an example, experimental and theoretical results and the level of knowledge as given today in graphite corrosion processes and their consequences are described. Questions open today and resulting requirements for future activities are discussed. Today's knowledge allows the conclusion, that a $mathbf{catastrophe-free}$ nuclear technology with respect to chemical stability can be realized.