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Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock

Llion Evans Orcid Logo, T. Minniti, M. Fursdon, M. Gorley, T. Barrett, F. Domptail, E. Surrey, W. Kockelmann, A. v. Müller, F. Escourbiac, A. Durocher

Fusion Engineering and Design, Volume: 134, Pages: 97 - 108

Swansea University Author: Llion Evans Orcid Logo

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DOI (Published version): 10.1016/j.fusengdes.2018.06.017

Abstract

Within a tokamak fusion energy device, the performance and lifespan of a divertor monoblock under high heat flux cycles is of particular interest. Key to this is the quality of manufacture, especially the material joining interfaces. Presented here is a comparative study between X-ray and neutron to...

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Published in: Fusion Engineering and Design
ISSN: 0920-3796
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa40777
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first_indexed 2018-06-20T19:30:26Z
last_indexed 2023-02-15T03:50:10Z
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spelling 2023-02-14T15:42:13.0927276 v2 40777 2018-06-20 Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock 74dc5084c47484922a6e0135ebcb9402 0000-0002-4964-4187 Llion Evans Llion Evans true false 2018-06-20 MECH Within a tokamak fusion energy device, the performance and lifespan of a divertor monoblock under high heat flux cycles is of particular interest. Key to this is the quality of manufacture, especially the material joining interfaces. Presented here is a comparative study between X-ray and neutron tomography to investigate the quality of manufactured monoblocks. Tungsten is a high attenuator of X-rays, thus X-ray tomography was performed on ‘region of interest’ samples where the majority of the tungsten armour was removed to reduce the attenuation path. Neutron tomography was performed on the full monoblock samples for non-destructive testing and on the ‘region of interest’ samples for direct comparison. Both techniques were shown to be capable of imaging the samples but having their own advantages and disadvantages relating to image accuracy and logistical feasibility. The techniques discussed are beneficial for either the research and development cycle of fusion component design or in quality assurance of manufacturing. Journal Article Fusion Engineering and Design 134 97 108 0920-3796 Tomography, Tungsten, Monoblock, Manufacturing, Qualification, Non-destructive testing 30 9 2018 2018-09-30 10.1016/j.fusengdes.2018.06.017 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2023-02-14T15:42:13.0927276 2018-06-20T15:24:54.8639761 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Llion Evans 0000-0002-4964-4187 1 T. Minniti 2 M. Fursdon 3 M. Gorley 4 T. Barrett 5 F. Domptail 6 E. Surrey 7 W. Kockelmann 8 A. v. Müller 9 F. Escourbiac 10 A. Durocher 11 40777__17796__200ea83ee6034b9fa4fa20ff2c316b03.pdf evans2018.pdf 2020-07-27T11:24:01.8508979 Output 1692918 application/pdf Accepted Manuscript true 2019-08-24T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true eng
title Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock
spellingShingle Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock
Llion Evans
title_short Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock
title_full Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock
title_fullStr Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock
title_full_unstemmed Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock
title_sort Comparison of X-ray and neutron tomographic imaging to qualify manufacturing of a fusion divertor tungsten monoblock
author_id_str_mv 74dc5084c47484922a6e0135ebcb9402
author_id_fullname_str_mv 74dc5084c47484922a6e0135ebcb9402_***_Llion Evans
author Llion Evans
author2 Llion Evans
T. Minniti
M. Fursdon
M. Gorley
T. Barrett
F. Domptail
E. Surrey
W. Kockelmann
A. v. Müller
F. Escourbiac
A. Durocher
format Journal article
container_title Fusion Engineering and Design
container_volume 134
container_start_page 97
publishDate 2018
institution Swansea University
issn 0920-3796
doi_str_mv 10.1016/j.fusengdes.2018.06.017
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 Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description Within a tokamak fusion energy device, the performance and lifespan of a divertor monoblock under high heat flux cycles is of particular interest. Key to this is the quality of manufacture, especially the material joining interfaces. Presented here is a comparative study between X-ray and neutron tomography to investigate the quality of manufactured monoblocks. Tungsten is a high attenuator of X-rays, thus X-ray tomography was performed on ‘region of interest’ samples where the majority of the tungsten armour was removed to reduce the attenuation path. Neutron tomography was performed on the full monoblock samples for non-destructive testing and on the ‘region of interest’ samples for direct comparison. Both techniques were shown to be capable of imaging the samples but having their own advantages and disadvantages relating to image accuracy and logistical feasibility. The techniques discussed are beneficial for either the research and development cycle of fusion component design or in quality assurance of manufacturing.
published_date 2018-09-30T03:51:55Z
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score 11.016258

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