The speciation of niobium in the oxide layer of an irradiated Low-Tin ZIRLO nuclear material

J. Hawes; P. Warnicke; P. Burr; D. Ferreira Sanchez; D. Grolimund; J. Partezana; Y. L. Chiu; S. Abolhassani

doi:10.1016/j.corsci.2021.109630

The speciation of niobium in the oxide layer of an irradiated Low-Tin ZIRLO nuclear material

J. Hawes, P. Warnicke, P. Burr, D. Ferreira Sanchez, D. Grolimund, J. Partezana, Y. L. Chiu, S. Abolhassani^*

^*Corresponding author for this work

Metallurgy and Materials

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Abstract

In this study the oxidation state of niobium, within the oxide layer of a low-tin ZIRLO¹ irradiated in a nuclear reactor, is examined using synchrotron. The unique set up allows simultaneous acquisition of X-ray florescence (XRF) and X-ray diffraction (XRD) maps. A gradual oxidation and evolution of niobium is observed and quantified which is then compared with the information on the distribution of oxide phases revealed by XRD. The results are discussed with the aim to better understand the hydrogen uptake mechanism for this material, particularly the cause of the increased resistance to hydrogen uptake seen in niobium containing alloys.

Original language	English
Article number	109630
Number of pages	12
Journal	Corrosion Science
Volume	190
Early online date	16 Jun 2021
DOIs	https://doi.org/10.1016/j.corsci.2021.109630
Publication status	Published - Sept 2021

Bibliographical note

Funding Information:
The authors wish to acknowledge swissnuclear for the support of the HyUp research project, from financial and technical point of view. The sample has been provided by Westinghouse and within the frame of the MUZIC-3 working group activities. The authors acknowledge the sample preparation by Dr. Pia Tijeland and her team. Prof. Adrien Couet is acknowledged for the supply of NbO (2+) spectra. Mr Go Sajiki and Prof. Kiyotaka Asakura are thanked for the supply of Nb2O3 (3+) spectra. Sensitivity analysis of the quality of fit of the XANES results was performed with the assistance of resources and services from the Australian National Computational Infrastructure, MASSIVE, the Pawsey Supercomputing Centre and by Intersect Australia Ltd.

Publisher Copyright:
© 2021 Elsevier Ltd

Keywords

Hydrogen uptake
Irradiated
Niobium
XANES
XRD
Zirconium based fuel cladding

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Materials Science

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10.1016/j.corsci.2021.109630

HawesJ2021ThespecFinal published version, 6.69 MBLicence: Creative Commons: Attribution (CC BY)

Cite this

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title = "The speciation of niobium in the oxide layer of an irradiated Low-Tin ZIRLO nuclear material",

abstract = "In this study the oxidation state of niobium, within the oxide layer of a low-tin ZIRLO1 irradiated in a nuclear reactor, is examined using synchrotron. The unique set up allows simultaneous acquisition of X-ray florescence (XRF) and X-ray diffraction (XRD) maps. A gradual oxidation and evolution of niobium is observed and quantified which is then compared with the information on the distribution of oxide phases revealed by XRD. The results are discussed with the aim to better understand the hydrogen uptake mechanism for this material, particularly the cause of the increased resistance to hydrogen uptake seen in niobium containing alloys.",

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author = "J. Hawes and P. Warnicke and P. Burr and {Ferreira Sanchez}, D. and D. Grolimund and J. Partezana and Chiu, {Y. L.} and S. Abolhassani",

note = "Funding Information: The authors wish to acknowledge swissnuclear for the support of the HyUp research project, from financial and technical point of view. The sample has been provided by Westinghouse and within the frame of the MUZIC-3 working group activities. The authors acknowledge the sample preparation by Dr. Pia Tijeland and her team. Prof. Adrien Couet is acknowledged for the supply of NbO (2+) spectra. Mr Go Sajiki and Prof. Kiyotaka Asakura are thanked for the supply of Nb2O3 (3+) spectra. Sensitivity analysis of the quality of fit of the XANES results was performed with the assistance of resources and services from the Australian National Computational Infrastructure, MASSIVE, the Pawsey Supercomputing Centre and by Intersect Australia Ltd. Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

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language = "English",

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AU - Hawes, J.

AU - Warnicke, P.

AU - Burr, P.

AU - Ferreira Sanchez, D.

AU - Grolimund, D.

AU - Partezana, J.

AU - Chiu, Y. L.

AU - Abolhassani, S.

N1 - Funding Information: The authors wish to acknowledge swissnuclear for the support of the HyUp research project, from financial and technical point of view. The sample has been provided by Westinghouse and within the frame of the MUZIC-3 working group activities. The authors acknowledge the sample preparation by Dr. Pia Tijeland and her team. Prof. Adrien Couet is acknowledged for the supply of NbO (2+) spectra. Mr Go Sajiki and Prof. Kiyotaka Asakura are thanked for the supply of Nb2O3 (3+) spectra. Sensitivity analysis of the quality of fit of the XANES results was performed with the assistance of resources and services from the Australian National Computational Infrastructure, MASSIVE, the Pawsey Supercomputing Centre and by Intersect Australia Ltd. Publisher Copyright: © 2021 Elsevier Ltd

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N2 - In this study the oxidation state of niobium, within the oxide layer of a low-tin ZIRLO1 irradiated in a nuclear reactor, is examined using synchrotron. The unique set up allows simultaneous acquisition of X-ray florescence (XRF) and X-ray diffraction (XRD) maps. A gradual oxidation and evolution of niobium is observed and quantified which is then compared with the information on the distribution of oxide phases revealed by XRD. The results are discussed with the aim to better understand the hydrogen uptake mechanism for this material, particularly the cause of the increased resistance to hydrogen uptake seen in niobium containing alloys.

AB - In this study the oxidation state of niobium, within the oxide layer of a low-tin ZIRLO1 irradiated in a nuclear reactor, is examined using synchrotron. The unique set up allows simultaneous acquisition of X-ray florescence (XRF) and X-ray diffraction (XRD) maps. A gradual oxidation and evolution of niobium is observed and quantified which is then compared with the information on the distribution of oxide phases revealed by XRD. The results are discussed with the aim to better understand the hydrogen uptake mechanism for this material, particularly the cause of the increased resistance to hydrogen uptake seen in niobium containing alloys.

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The speciation of niobium in the oxide layer of an irradiated Low-Tin ZIRLO nuclear material

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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