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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.1
- 수록면
- 311 - 318 (8page)
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초록· 키워드
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In modern power reactors, nuclear fuels have recently reached 55,000 MWd/MtU from the initial average burnup of
35,000 MWd/MtU to reduce the fuel cycle cost and waste volume. At such high burnups, a fuel pellet produces fission
products proportional to the burnup and creates a typical high burnup structure around the periphery region of the pellet,
producing the so called ‘rim effect’. This rim region of a highly burnt fuel is known to be ca. 200 μm in width and is known
to affect the fuel integrity. To characterize the local burnup in the rim region, solid sampling in the micro meter region by
laser ablation is needed so that the distribution of isotopes can be determined by ICP-MS. For this procedure, special
radiation shielding is required for personnel safety. In this study, we installed a radiation shielded laser ablation ICP-MS
system, and a performance test of the developed system was conducted to evaluate the safe operation of instruments.
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참고문헌 (17)
참고문헌 신청
C.D. Allemand / 1972 / Spectroscopy of single-spike lasergenerated plasmas / Spectrochimica Acta 27 : 185 ~
C.T. Walker / 1999 / Electron probe microanalysis of irradiated nuclear fuel: an overview / Journal of Analytical Atomic Spectrometry 14 : 447 ~
H. Kleykamp / 1988 / The chemical state of fission products in oxide fuels at different stages of the nuclear fuel cycle / Nuclear Technology 80 : 412 ~
H.U.Zwicky / 1989 / Evaluation of the radial distribution of gadolinium isotopes in nuclear fuel pins by secondary ion mass spectrometry / Radiochim. Acta 47 (9)
Hi. Matzke / 1997 / Formation of the rim structure in high burnup fuel / Journal of Nuclear Materials 248 : 170 ~
C.T. Walker / 1999 / Electron probe microanalysis of irradiated nuclear fuel: an overview / Journal of Analytical Atomic Spectrometry 14 : 447 ~
H. Kleykamp / 1988 / The chemical state of fission products in oxide fuels at different stages of the nuclear fuel cycle / Nuclear Technology 80 : 412 ~
H.U.Zwicky / 1989 / Evaluation of the radial distribution of gadolinium isotopes in nuclear fuel pins by secondary ion mass spectrometry / Radiochim. Acta 47 (9)
Hi. Matzke / 1997 / Formation of the rim structure in high burnup fuel / Journal of Nuclear Materials 248 : 170 ~
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