3D reconstructions of irradiated U7Mo fuel to understand breaching effects in ZrN diffusion barriers

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3D reconstructions of irradiated U7Mo fuel to understand breaching effects in ZrN diffusion barriers. / Miller, Brandon D.; Keiser, Dennis D.; Abir, Muhammad; Aitkaliyeva, Assel; Leenaers, Ann; Hernandez, Brandon J.; Van Renterghem, Wouter; Winston, Alexander.

In: Journal of Nuclear Materials, Vol. 510, 10.08.2018, p. 431-436.

Research output: Contribution to journalArticlepeer-review

Harvard

Miller, BD, Keiser, DD, Abir, M, Aitkaliyeva, A, Leenaers, A, Hernandez, BJ, Van Renterghem, W & Winston, A 2018, '3D reconstructions of irradiated U7Mo fuel to understand breaching effects in ZrN diffusion barriers', Journal of Nuclear Materials, vol. 510, pp. 431-436. https://doi.org/10.1016/j.jnucmat.2018.08.016

APA

Miller, B. D., Keiser, D. D., Abir, M., Aitkaliyeva, A., Leenaers, A., Hernandez, B. J., Van Renterghem, W., & Winston, A. (2018). 3D reconstructions of irradiated U7Mo fuel to understand breaching effects in ZrN diffusion barriers. Journal of Nuclear Materials, 510, 431-436. https://doi.org/10.1016/j.jnucmat.2018.08.016

Vancouver

Miller BD, Keiser DD, Abir M, Aitkaliyeva A, Leenaers A, Hernandez BJ et al. 3D reconstructions of irradiated U7Mo fuel to understand breaching effects in ZrN diffusion barriers. Journal of Nuclear Materials. 2018 Aug 10;510:431-436. https://doi.org/10.1016/j.jnucmat.2018.08.016

Author

Miller, Brandon D. ; Keiser, Dennis D. ; Abir, Muhammad ; Aitkaliyeva, Assel ; Leenaers, Ann ; Hernandez, Brandon J. ; Van Renterghem, Wouter ; Winston, Alexander. / 3D reconstructions of irradiated U7Mo fuel to understand breaching effects in ZrN diffusion barriers. In: Journal of Nuclear Materials. 2018 ; Vol. 510. pp. 431-436.

Bibtex - Download

@article{3ef39155d0634c66995f74c4134a5013,
title = "3D reconstructions of irradiated U7Mo fuel to understand breaching effects in ZrN diffusion barriers",
abstract = "To understand interaction layer behavior in UeMo fuel kernels coated with physical vapor deposition (PVD) ZrN barriers, two cubes of irradiated fuel were serial sectioned and imaged in 50 and 200 nm increments using a focused ion beam (FIB) instrument. Locally, the fuel underwent a burnup of 52% U235 or a fission density of 4.0 1021 fissions/cm3. 3D reconstructions were created from the serial sectioned images. 3D reconstructions revealed the morphology of multiple locations where UeMo/Al interaction layer formed between the Al matrix and the UeMo fuel. These locations are associated with breaches in the ZrN barrier and not from diffusion of Al through the ZrN barrier. When not compromised, the ZrN barrier successfully impedes UeMo fuel interaction with Al cladding. The ZrN barrier has decreased from a nominal pre-irradiated thickness of 1.16 mm to a thickness of 0.69 mm. A ZrN-rich phase adjacent to the ZrN barrier was observed on the Al matrix side of the coating. This phase is likely the original ZrN barrier and Al matrix that decomposed with increasing burnup as a result of fission recoil induced mixing. Nominally, the thickness of the irradiated ZrN barrier and the ZrN-rich Al matrix is 1.36 mm.",
keywords = "UMo, Research reactor fuel, ZrN, Slice and view technique",
author = "Miller, {Brandon D.} and Keiser, {Dennis D.} and Muhammad Abir and Assel Aitkaliyeva and Ann Leenaers and Hernandez, {Brandon J.} and {Van Renterghem}, Wouter and Alexander Winston",
note = "Score=10",
year = "2018",
month = aug,
day = "10",
doi = "10.1016/j.jnucmat.2018.08.016",
language = "English",
volume = "510",
pages = "431--436",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",

}

RIS - Download

TY - JOUR

T1 - 3D reconstructions of irradiated U7Mo fuel to understand breaching effects in ZrN diffusion barriers

AU - Miller, Brandon D.

AU - Keiser, Dennis D.

AU - Abir, Muhammad

AU - Aitkaliyeva, Assel

AU - Leenaers, Ann

AU - Hernandez, Brandon J.

AU - Van Renterghem, Wouter

AU - Winston, Alexander

N1 - Score=10

PY - 2018/8/10

Y1 - 2018/8/10

N2 - To understand interaction layer behavior in UeMo fuel kernels coated with physical vapor deposition (PVD) ZrN barriers, two cubes of irradiated fuel were serial sectioned and imaged in 50 and 200 nm increments using a focused ion beam (FIB) instrument. Locally, the fuel underwent a burnup of 52% U235 or a fission density of 4.0 1021 fissions/cm3. 3D reconstructions were created from the serial sectioned images. 3D reconstructions revealed the morphology of multiple locations where UeMo/Al interaction layer formed between the Al matrix and the UeMo fuel. These locations are associated with breaches in the ZrN barrier and not from diffusion of Al through the ZrN barrier. When not compromised, the ZrN barrier successfully impedes UeMo fuel interaction with Al cladding. The ZrN barrier has decreased from a nominal pre-irradiated thickness of 1.16 mm to a thickness of 0.69 mm. A ZrN-rich phase adjacent to the ZrN barrier was observed on the Al matrix side of the coating. This phase is likely the original ZrN barrier and Al matrix that decomposed with increasing burnup as a result of fission recoil induced mixing. Nominally, the thickness of the irradiated ZrN barrier and the ZrN-rich Al matrix is 1.36 mm.

AB - To understand interaction layer behavior in UeMo fuel kernels coated with physical vapor deposition (PVD) ZrN barriers, two cubes of irradiated fuel were serial sectioned and imaged in 50 and 200 nm increments using a focused ion beam (FIB) instrument. Locally, the fuel underwent a burnup of 52% U235 or a fission density of 4.0 1021 fissions/cm3. 3D reconstructions were created from the serial sectioned images. 3D reconstructions revealed the morphology of multiple locations where UeMo/Al interaction layer formed between the Al matrix and the UeMo fuel. These locations are associated with breaches in the ZrN barrier and not from diffusion of Al through the ZrN barrier. When not compromised, the ZrN barrier successfully impedes UeMo fuel interaction with Al cladding. The ZrN barrier has decreased from a nominal pre-irradiated thickness of 1.16 mm to a thickness of 0.69 mm. A ZrN-rich phase adjacent to the ZrN barrier was observed on the Al matrix side of the coating. This phase is likely the original ZrN barrier and Al matrix that decomposed with increasing burnup as a result of fission recoil induced mixing. Nominally, the thickness of the irradiated ZrN barrier and the ZrN-rich Al matrix is 1.36 mm.

KW - UMo

KW - Research reactor fuel

KW - ZrN

KW - Slice and view technique

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/34239671

U2 - 10.1016/j.jnucmat.2018.08.016

DO - 10.1016/j.jnucmat.2018.08.016

M3 - Article

VL - 510

SP - 431

EP - 436

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

ER -

ID: 5194107