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In situ imaging of corrosion processes in nuclear fuel cladding

Alice Laferrere, Robert Burrows, Carol Glover, Ronald Nuuchin Clark, Oliver Payton, Loren Picco, Stacy Moore, Geraint Williams

Corrosion Engineering, Science and Technology, Volume: 52, Issue: 8, Pages: 596 - 604

Swansea University Authors: Carol Glover, Geraint Williams

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DOI (Published version): 10.1080/1478422X.2017.1344038

Abstract

Spent nuclear fuel in the U.K. is stored within ponds dosed with NaOH in order to inhibit corrosion and, to ensure the efficiency of storage regimes, there is a need to define and quantify the corrosion processes involved during immersion of fuel cladding. In this project, state-of-the-art character...

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Published in: Corrosion Engineering, Science and Technology
ISSN: 1478-422X 1743-2782
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa34526
first_indexed 2017-06-29T20:15:58Z
last_indexed 2020-05-28T18:46:51Z
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spelling 2020-05-28T14:54:46.6544457 v2 34526 2017-06-29 In situ imaging of corrosion processes in nuclear fuel cladding f1c17580848e7967d7c2111d4cb3516c Carol Glover Carol Glover true false 0d8fc8d44e2a3c88ce61832f66f20d82 Geraint Williams Geraint Williams true false 2017-06-29 Spent nuclear fuel in the U.K. is stored within ponds dosed with NaOH in order to inhibit corrosion and, to ensure the efficiency of storage regimes, there is a need to define and quantify the corrosion processes involved during immersion of fuel cladding. In this project, state-of-the-art characterisation techniques were employed to image the corroding surfaces of two nuclear fuel cladding materials: stainless steel and Magnox. Advanced gas-cooled reactor fuel cladding consists of 20Cr-25Ni-Nb stabilised stainless steel and during irradiation the microstructure of the cladding undergoes significant changes, including grain boundary element depletion and segregation. High-speed atomic force microscopy with nanoscale resolution, enabled precipitates and pit initiation in stainless steel to be imaged. Magnox is a magnesium–aluminium alloy and during irradiation in a reactor the outer metal surface oxidises, forming an adherent passive layer which subsequently hydrates when exposed to water. Corrosion processes encompass breakdown of passivity and filiform-like corrosion, both of which were imaged in situ using the scanning vibrating electrode technique. Journal Article Corrosion Engineering, Science and Technology 52 8 596 604 1478-422X 1743-2782 Nuclear, filiform corrosion, intergranular corrosion, stainless steel, Magnox, advanced gas-cooled reactor, high-speed atomic force microscopy, scanning vibrating electrode 31 12 2017 2017-12-31 10.1080/1478422X.2017.1344038 COLLEGE NANME COLLEGE CODE Swansea University 2020-05-28T14:54:46.6544457 2017-06-29T13:59:05.0736518 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Alice Laferrere 1 Robert Burrows 2 Carol Glover 3 Ronald Nuuchin Clark 4 Oliver Payton 5 Loren Picco 6 Stacy Moore 7 Geraint Williams 8 0034526-29062017140045.pdf laferrere2017.pdf 2017-06-29T14:00:45.9600000 Output 1359104 application/pdf Accepted Manuscript true 2018-10-09T00:00:00.0000000 true eng
title In situ imaging of corrosion processes in nuclear fuel cladding
spellingShingle In situ imaging of corrosion processes in nuclear fuel cladding
Carol Glover
Geraint Williams
title_short In situ imaging of corrosion processes in nuclear fuel cladding
title_full In situ imaging of corrosion processes in nuclear fuel cladding
title_fullStr In situ imaging of corrosion processes in nuclear fuel cladding
title_full_unstemmed In situ imaging of corrosion processes in nuclear fuel cladding
title_sort In situ imaging of corrosion processes in nuclear fuel cladding
author_id_str_mv f1c17580848e7967d7c2111d4cb3516c
0d8fc8d44e2a3c88ce61832f66f20d82
author_id_fullname_str_mv f1c17580848e7967d7c2111d4cb3516c_***_Carol Glover
0d8fc8d44e2a3c88ce61832f66f20d82_***_Geraint Williams
author Carol Glover
Geraint Williams
author2 Alice Laferrere
Robert Burrows
Carol Glover
Ronald Nuuchin Clark
Oliver Payton
Loren Picco
Stacy Moore
Geraint Williams
format Journal article
container_title Corrosion Engineering, Science and Technology
container_volume 52
container_issue 8
container_start_page 596
publishDate 2017
institution Swansea University
issn 1478-422X
1743-2782
doi_str_mv 10.1080/1478422X.2017.1344038
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 1
active_str 0
description Spent nuclear fuel in the U.K. is stored within ponds dosed with NaOH in order to inhibit corrosion and, to ensure the efficiency of storage regimes, there is a need to define and quantify the corrosion processes involved during immersion of fuel cladding. In this project, state-of-the-art characterisation techniques were employed to image the corroding surfaces of two nuclear fuel cladding materials: stainless steel and Magnox. Advanced gas-cooled reactor fuel cladding consists of 20Cr-25Ni-Nb stabilised stainless steel and during irradiation the microstructure of the cladding undergoes significant changes, including grain boundary element depletion and segregation. High-speed atomic force microscopy with nanoscale resolution, enabled precipitates and pit initiation in stainless steel to be imaged. Magnox is a magnesium–aluminium alloy and during irradiation in a reactor the outer metal surface oxidises, forming an adherent passive layer which subsequently hydrates when exposed to water. Corrosion processes encompass breakdown of passivity and filiform-like corrosion, both of which were imaged in situ using the scanning vibrating electrode technique.
published_date 2017-12-31T08:22:12Z
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score 11.089469

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