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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Bibliographic Details
Published in:Atomic energy (New York, N.Y.) N.Y.), 2006-10, Vol.101 (4), p.722-729
Main Authors: 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: Article
Language:English
Subjects:
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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Summary: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