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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 597 - 609 (13page)
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Accident Tolerant Fuels have beenwidely studied since the Fukushima-Daiichi accident in 2011 as one of the options on how to further enhance the safety of nuclear power plants. Deposition of protective coatings on nuclear fuel claddings has been considered as a near-term concept that will reduce the hightemperature oxidation rate and enhance accidental tolerance of the cladding while providing additional benefits during normal operation and transients. This study focuses on experimental testing of Zr-based alloys coated with Cr-based coatings using Physical Vapour Deposition. The results of long-term corrosion tests, as well as tests simulating postulated accidents, are presented. Zre1%Nb alloy used as nuclear fuel cladding serves as a substrate and Cr, CrN, CrxNy layers are deposited by unbalanced magnetron sputtering and reactive magnetron sputtering. The deposition procedures are optimized in order to improve coating properties. Coated as well as reference uncoated samples were experimentally tested. The presented results include standard long-term corrosion tests at 360+C in WWER water chemistry, burst (creep) tests and mainly single and double-sided high-temperature steam oxidation tests between 1000 and 1400+C related to postulated Loss-of-coolant accident and Design extension conditions. Coated and reference samples were characterized pre- and post-testing using mechanical testing (microhardness, ring compression test), Thermal Evolved Gas Analysis analysis (hydrogen, oxygen concentration), optical microscopy, scanning electron microscopy (EDS, WDS, EBSD) and X-ray diffraction.
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참고문헌 (45)
참고문헌 신청
N. OECD / 2018 / State-of-the-Art Report on Light Water Reactor Accident-Tolerant Fuels
S. J. Zinkle / 2013 / Accident tolerant fuels for LWRs: a perspective 448(1):374~379
K.A. Terrani / Accident tolerant fuel cladding development: promise, status, and challenges
L. Braase / Enhanced accident tolerant LWR fuels national metrics workshop report
IAEA / Accident tolerant fuel concepts for light water reactors
S. J. Zinkle / 2013 / Accident tolerant fuels for LWRs: a perspective 448(1):374~379
K.A. Terrani / Accident tolerant fuel cladding development: promise, status, and challenges
L. Braase / Enhanced accident tolerant LWR fuels national metrics workshop report
IAEA / Accident tolerant fuel concepts for light water reactors
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