A modelling study of the inter-diffusion layer formation in U-Mo/Al dispersion fuel plates at high power

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A modelling study of the inter-diffusion layer formation in U-Mo/Al dispersion fuel plates at high power. / Ye, Bei; Hofmann, Gerard L.; Leenaers, Ann; Bergeron, Aurélien; Kuzminov, Vadim; Van den Berghe, Sven; Kim, Yeon Soo.

In: Journal of Nuclear Materials, Vol. 499, 01.02.2018, p. 191-203.

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Ye, Bei; Hofmann, Gerard L.; Leenaers, Ann; Bergeron, Aurélien; Kuzminov, Vadim; Van den Berghe, Sven; Kim, Yeon Soo / A modelling study of the inter-diffusion layer formation in U-Mo/Al dispersion fuel plates at high power.

In: Journal of Nuclear Materials, Vol. 499, 01.02.2018, p. 191-203.

Research output: Contribution to journalArticle

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@article{a8007cae9aa2461b8ddb49162e1ae768,
title = "A modelling study of the inter-diffusion layer formation in U-Mo/Al dispersion fuel plates at high power",
keywords = "U-Mo dispersion fuel, U-Mo/Al inter-diffusion, Fuel performance modelling",
author = "Bei Ye and Hofmann, {Gerard L.} and Ann Leenaers and Aurélien Bergeron and Vadim Kuzminov and {Van den Berghe}, Sven and Kim, {Yeon Soo}",
note = "Score=10",
year = "2018",
month = "2",
doi = "10.1016/j.jnucmat.2017.11.035",
volume = "499",
pages = "191--203",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",

}

RIS - Download

TY - JOUR

T1 - A modelling study of the inter-diffusion layer formation in U-Mo/Al dispersion fuel plates at high power

AU - Ye,Bei

AU - Hofmann,Gerard L.

AU - Leenaers,Ann

AU - Bergeron,Aurélien

AU - Kuzminov,Vadim

AU - Van den Berghe,Sven

AU - Kim,Yeon Soo

N1 - Score=10

PY - 2018/2/1

Y1 - 2018/2/1

N2 - Post irradiation examinations of full-size U-Mo/Al dispersion fuel plates fabricated with ZrN- or Sicoated U-Mo particles revealed that the reaction rate of irradiation-induced U-Mo-Al inter-diffusion, an important microstructural change impacting the performance of this type of fuel, transited at a threshold temperature/fission rate. The existing inter-diffusion layer (IL) growth correlation, which does not describe the transition behavior of IL growth, was modified by applying a temperature-dependent multiplication factor that transits around a threshold fission rate. In-pile irradiation data from four tests in the BR2 reactors, including FUTURE, E-FUTURE, SELEMIUM, and SELEMIUM-1a, were utilized to determine and validate the updated IL growth correlation. Irradiation behavior of the plates was simulated with the DART-2D computational code. The general agreement between the calculated and measured fuel meat swelling and constituent volume fractions as a function of fission density demonstrated the plausibility of the updated IL growth correlation. The simulation results also suggested the temperature dependence of the IL growth rate, similar to the temperature dependence of the intermixing rate in ion-irradiated bi-layer systems.

AB - Post irradiation examinations of full-size U-Mo/Al dispersion fuel plates fabricated with ZrN- or Sicoated U-Mo particles revealed that the reaction rate of irradiation-induced U-Mo-Al inter-diffusion, an important microstructural change impacting the performance of this type of fuel, transited at a threshold temperature/fission rate. The existing inter-diffusion layer (IL) growth correlation, which does not describe the transition behavior of IL growth, was modified by applying a temperature-dependent multiplication factor that transits around a threshold fission rate. In-pile irradiation data from four tests in the BR2 reactors, including FUTURE, E-FUTURE, SELEMIUM, and SELEMIUM-1a, were utilized to determine and validate the updated IL growth correlation. Irradiation behavior of the plates was simulated with the DART-2D computational code. The general agreement between the calculated and measured fuel meat swelling and constituent volume fractions as a function of fission density demonstrated the plausibility of the updated IL growth correlation. The simulation results also suggested the temperature dependence of the IL growth rate, similar to the temperature dependence of the intermixing rate in ion-irradiated bi-layer systems.

KW - U-Mo dispersion fuel

KW - U-Mo/Al inter-diffusion

KW - Fuel performance modelling

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/34241188

U2 - 10.1016/j.jnucmat.2017.11.035

DO - 10.1016/j.jnucmat.2017.11.035

M3 - Article

VL - 499

SP - 191

EP - 203

JO - Journal of Nuclear Materials

T2 - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

ER -

ID: 5194140