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Название: Recent Advances in Protective Coatings for Accident Tolerant Zr-Based Fuel Claddings
Авторы: Kashkarov, Egor Borisovich
Afornu, Bright Kwame
Sidelev, Dmitry Vladimirovich
Krinitsyn, Maksim Germanovich
Gouws, Veronica Kgabisang
Lider, Andrey Markovich
Ключевые слова: защитные покрытия; высокотемпературное окисление; коррозии; сплавы; топливо; protective coatings; high temperature oxidation; corrosion; fuel claddings; zirconium-based alloys; accident tolerant fuel; interdiffusion; barrier layers
Дата публикации: 2021
Издатель: MDPI AG
Библиографическое описание: Recent Advances in Protective Coatings for Accident Tolerant Zr-Based Fuel Claddings / E. B. Kashkarov, B. K. Afornu, D. V. Sidelev [et al.] // Coatings. — 2021. — Vol. 11, iss. 5. — [557, 32 p.].
Аннотация: Zirconium-based alloys have served the nuclear industry for several decades due to their acceptable properties for nuclear cores of light water reactors (LWRs). However, severe accidents in LWRs have directed research and development of accident tolerant fuel (ATF) concepts that aim to improve nuclear fuel safety during normal operation, operational transients and possible accident scenarios. This review introduces the latest results in the development of protective coatings for ATF claddings based on Zr alloys, involving their behavior under normal and accident conditions in LWRs. Great attention has been paid to the protection and oxidation mechanisms of coated claddings, as well as to the mutual interdiffusion between coatings and zirconium alloys. An overview of recent developments in barrier coatings is introduced, and possible barrier layers and structure designs for suppressing mutual diffusion are proposed.
URI: http://earchive.tpu.ru/handle/11683/69107
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