Investigation of the corrosion resistance of fuel micropellet cladding made of silicon carbide and pyrolytic carbon for the operating conditions of light-water reactors in nuclear power plants

The results of experimental and theoretical investigations of the corrosion of outer protective coatings, made of silicon carbide and pyrolytic carbon, of fuel microspherules in high-pressure water and water vapor in the range 350-950C are presented. The tests lasted for times ranging from 300 to 11...

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Veröffentlicht in:	Atomic energy (New York, N.Y.) N.Y.), 2006-10, Vol.101 (4), p.722-729
Hauptverfasser:	FILIPPOV, G. A, GRISHANIN, E. I, KONDITEROV, M. V, MASTYUKIN, V. P, MEL'KIN, V. I, TRUBACHEV, V. M, FAL'KOVSKII, L. N, FONAREV, B. I, MOMOT, G. V
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon Coatings Corrosion Corrosion resistance Fuels Nuclear engineering Nuclear power generation Nuclear power plants Nuclear reactor components Nuclear reactors Protective coatings Reactors Silicon Silicon carbide Water vapor
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Beschreibung
Zusammenfassung:	The results of experimental and theoretical investigations of the corrosion of outer protective coatings, made of silicon carbide and pyrolytic carbon, of fuel microspherules in high-pressure water and water vapor in the range 350-950C are presented. The tests lasted for times ranging from 300 to 11800 h were conducted for the operating conditions of light-water reactors. A comparative estimate is given of the corrosion resistance of two types of coatings. The temperature-time curves, which make it possible to determine by interpolation and extrapolation the degree of corrosion of the protective coatings for different operating regimes of the reactor, are obtained.
ISSN:	1063-4258 1573-8205
DOI:	10.1007/s10512-006-0159-4