Thermal stability of fission gas bubble superlattice in irradiated U-10Mo fuel

Jian Gan; D. D. Keiser; B. D. Miller; A. B. Robinson; D. M. Wachs; M. K. Meyer

doi:10.1016/j.jnucmat.2015.04.023

Thermal stability of fission gas bubble superlattice in irradiated U-10Mo fuel

Jian Gan
, D. D. Keiser
, B. D. Miller
, A. B. Robinson
, D. M. Wachs
, M. K. Meyer

Materials and Fuels Complex

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

To investigate the thermal stability of the fission gas bubble superlattice, a key microstructural feature in both irradiated U-7Mo dispersion and U-10Mo monolithic fuel plates, a focused ion beam-transmission electron microscopy (FIB-TEM) sample of irradiated U-10Mo fuel with a local fission density of 3.5 × 10²¹ fissions/cm³ was used for an in-situ heating TEM experiment. The temperature of the heating holder was raised at a ramp rate of approximately 10°C/min up to ∼700°C, kept at that temperature for about 34 min and further increased to 850°C with a reduced rate of 5°C/min. The result shows a high thermal stability of the fission gas bubble superlattice. The implication of this observation on the fuel microstructural evolution and performance under irradiation is discussed.

Original language	English
Pages (from-to)	1-5
Number of pages	5
Journal	Journal of Nuclear Materials
Volume	464
DOIs	https://doi.org/10.1016/j.jnucmat.2015.04.023
State	Published - Apr 21 2015

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10.1016/j.jnucmat.2015.04.023

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title = "Thermal stability of fission gas bubble superlattice in irradiated U-10Mo fuel",

abstract = "To investigate the thermal stability of the fission gas bubble superlattice, a key microstructural feature in both irradiated U-7Mo dispersion and U-10Mo monolithic fuel plates, a focused ion beam-transmission electron microscopy (FIB-TEM) sample of irradiated U-10Mo fuel with a local fission density of 3.5 × 1021 fissions/cm3 was used for an in-situ heating TEM experiment. The temperature of the heating holder was raised at a ramp rate of approximately 10°C/min up to ∼700°C, kept at that temperature for about 34 min and further increased to 850°C with a reduced rate of 5°C/min. The result shows a high thermal stability of the fission gas bubble superlattice. The implication of this observation on the fuel microstructural evolution and performance under irradiation is discussed.",

author = "Jian Gan and Keiser, \{D. D.\} and Miller, \{B. D.\} and Robinson, \{A. B.\} and Wachs, \{D. M.\} and Meyer, \{M. K.\}",

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TY - JOUR

T1 - Thermal stability of fission gas bubble superlattice in irradiated U-10Mo fuel

AU - Gan, Jian

AU - Keiser, D. D.

AU - Miller, B. D.

AU - Robinson, A. B.

AU - Wachs, D. M.

AU - Meyer, M. K.

PY - 2015/4/21

Y1 - 2015/4/21

N2 - To investigate the thermal stability of the fission gas bubble superlattice, a key microstructural feature in both irradiated U-7Mo dispersion and U-10Mo monolithic fuel plates, a focused ion beam-transmission electron microscopy (FIB-TEM) sample of irradiated U-10Mo fuel with a local fission density of 3.5 × 1021 fissions/cm3 was used for an in-situ heating TEM experiment. The temperature of the heating holder was raised at a ramp rate of approximately 10°C/min up to ∼700°C, kept at that temperature for about 34 min and further increased to 850°C with a reduced rate of 5°C/min. The result shows a high thermal stability of the fission gas bubble superlattice. The implication of this observation on the fuel microstructural evolution and performance under irradiation is discussed.

AB - To investigate the thermal stability of the fission gas bubble superlattice, a key microstructural feature in both irradiated U-7Mo dispersion and U-10Mo monolithic fuel plates, a focused ion beam-transmission electron microscopy (FIB-TEM) sample of irradiated U-10Mo fuel with a local fission density of 3.5 × 1021 fissions/cm3 was used for an in-situ heating TEM experiment. The temperature of the heating holder was raised at a ramp rate of approximately 10°C/min up to ∼700°C, kept at that temperature for about 34 min and further increased to 850°C with a reduced rate of 5°C/min. The result shows a high thermal stability of the fission gas bubble superlattice. The implication of this observation on the fuel microstructural evolution and performance under irradiation is discussed.

UR - https://www.scopus.com/pages/publications/84929085193

U2 - 10.1016/j.jnucmat.2015.04.023

DO - 10.1016/j.jnucmat.2015.04.023

M3 - Article

AN - SCOPUS:84929085193

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VL - 464

SP - 1

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JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

ER -

Thermal stability of fission gas bubble superlattice in irradiated U-10Mo fuel

Abstract

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