[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.4150/KPMI.2004.11.4.314

Elastic Modulus Measurement of a Dry Process Fuel Pellet by Resonant Ultrasound Spectroscopy

류호진 (한국원자력연구소)
강권호 (한국원자력연구)
문제선 (한국원자력연구)
송기찬 (한국원자력연구)
정현규 (한국원자력연구)
정용무 (한국원자력연구소)

Publication Information

Journal of Powder Materials / v.11, no.4, 2004 , pp. 314-321 More about this Journal

Abstract

The elastic moduli of simulated dry process fuels with varying composition and density were measured in order to analyze the mechanical properties of a dry process fuel pellet. Resonant ultrasound spectroscopy(RUS) which can determine all elastic moduli with one set of measurements for a rectangular parallelepiped sample was used to measure the elastic moduli of UO $_{2}$ and simulated dry process fuel. The simulated dry process fuel showed a higher value of Young's modulus than UO $_2$ due to the presence of metallic precipitates and solid solution elements in the UO $_{2}$ matrix. The correlation between Young's modulus and porosity(P) of simulated dry process fuel was found to be 231.4-651.8 P (GPa) at room temperature. Dry process fuel with a higher burnup showed higher Young's modulus because total content of fission product element was increased.

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KSCI

Elastic Modulus Measurement of a Dry Process Fuel Pellet by Resonant Ultrasound Spectroscopy 초음파 공진 분석법을 이용한 건식공정 핵연료 소결체의 탄성계수 측정

Elastic Modulus Measurement of a Dry Process Fuel Pellet by Resonant Ultrasound Spectroscopy