Impact of water ingress on deuterium release, oxidation, and dust generation in beryllium plasma-facing components
Beryllium samples from the JET ITER-like wall limiter tiles with either co-deposits or surface cracks caused by melt damage, were immersed into boiling water for 4 h 15 min to simulate and assess the impact of coolant water ingress into a tokamak on the state of Be components. Microscopy of the wate...
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2023-06-01
|
| Series: | Nuclear Materials and Energy |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2352179123000765 |
| _version_ | 1797801075011485696 |
|---|---|
| author | Y. Zayachuk N. Catarino C. Smith I. Jepu C. Ayres A. Widdowson E. Alves M. Rubel |
| author_facet | Y. Zayachuk N. Catarino C. Smith I. Jepu C. Ayres A. Widdowson E. Alves M. Rubel |
| author_sort | Y. Zayachuk |
| collection | DOAJ |
| description | Beryllium samples from the JET ITER-like wall limiter tiles with either co-deposits or surface cracks caused by melt damage, were immersed into boiling water for 4 h 15 min to simulate and assess the impact of coolant water ingress into a tokamak on the state of Be components. Microscopy of the water-treated surfaces and the lack of residue in the water revealed that no thermomechanical damage (cracking or exfoliation) occurred to the samples during the exposure. Ion beam analysis showed no measurable release of deuterium from the samples. Combined ion beam analysis and Raman spectroscopy indicated only some degree of surface oxidation, but no thick oxide films were formed. |
| first_indexed | 2024-03-13T04:44:54Z |
| format | Article |
| id | doaj.art-e17d5f31c2ef492d9b9de951247e552e |
| institution | Directory Open Access Journal |
| issn | 2352-1791 |
| language | English |
| last_indexed | 2024-03-13T04:44:54Z |
| publishDate | 2023-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Nuclear Materials and Energy |
| spelling | doaj.art-e17d5f31c2ef492d9b9de951247e552e2023-06-19T04:28:29ZengElsevierNuclear Materials and Energy2352-17912023-06-0135101437Impact of water ingress on deuterium release, oxidation, and dust generation in beryllium plasma-facing componentsY. Zayachuk0N. Catarino1C. Smith2I. Jepu3C. Ayres4A. Widdowson5E. Alves6M. Rubel7UK Atomic Energy Authority, Culham Science Centre, Abingdon, OX14 3DB Oxfordshire, UKIPFN, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, PortugalUK Atomic Energy Authority, Culham Science Centre, Abingdon, OX14 3DB Oxfordshire, UKUK Atomic Energy Authority, Culham Science Centre, Abingdon, OX14 3DB Oxfordshire, UKUK Atomic Energy Authority, Culham Science Centre, Abingdon, OX14 3DB Oxfordshire, UKUK Atomic Energy Authority, Culham Science Centre, Abingdon, OX14 3DB Oxfordshire, UKIPFN, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, PortugalKTH Royal Institute of Technology, Fusion Plasma Physics, 100 44 Stockholm, SwedenBeryllium samples from the JET ITER-like wall limiter tiles with either co-deposits or surface cracks caused by melt damage, were immersed into boiling water for 4 h 15 min to simulate and assess the impact of coolant water ingress into a tokamak on the state of Be components. Microscopy of the water-treated surfaces and the lack of residue in the water revealed that no thermomechanical damage (cracking or exfoliation) occurred to the samples during the exposure. Ion beam analysis showed no measurable release of deuterium from the samples. Combined ion beam analysis and Raman spectroscopy indicated only some degree of surface oxidation, but no thick oxide films were formed.http://www.sciencedirect.com/science/article/pii/S2352179123000765JET-ILWWater interactionThermomechanical damageOxidationIBARaman spectroscopy |
| spellingShingle | Y. Zayachuk N. Catarino C. Smith I. Jepu C. Ayres A. Widdowson E. Alves M. Rubel Impact of water ingress on deuterium release, oxidation, and dust generation in beryllium plasma-facing components Nuclear Materials and Energy JET-ILW Water interaction Thermomechanical damage Oxidation IBA Raman spectroscopy |
| title | Impact of water ingress on deuterium release, oxidation, and dust generation in beryllium plasma-facing components |
| title_full | Impact of water ingress on deuterium release, oxidation, and dust generation in beryllium plasma-facing components |
| title_fullStr | Impact of water ingress on deuterium release, oxidation, and dust generation in beryllium plasma-facing components |
| title_full_unstemmed | Impact of water ingress on deuterium release, oxidation, and dust generation in beryllium plasma-facing components |
| title_short | Impact of water ingress on deuterium release, oxidation, and dust generation in beryllium plasma-facing components |
| title_sort | impact of water ingress on deuterium release oxidation and dust generation in beryllium plasma facing components |
| topic | JET-ILW Water interaction Thermomechanical damage Oxidation IBA Raman spectroscopy |
| url | http://www.sciencedirect.com/science/article/pii/S2352179123000765 |
| work_keys_str_mv | AT yzayachuk impactofwateringressondeuteriumreleaseoxidationanddustgenerationinberylliumplasmafacingcomponents AT ncatarino impactofwateringressondeuteriumreleaseoxidationanddustgenerationinberylliumplasmafacingcomponents AT csmith impactofwateringressondeuteriumreleaseoxidationanddustgenerationinberylliumplasmafacingcomponents AT ijepu impactofwateringressondeuteriumreleaseoxidationanddustgenerationinberylliumplasmafacingcomponents AT cayres impactofwateringressondeuteriumreleaseoxidationanddustgenerationinberylliumplasmafacingcomponents AT awiddowson impactofwateringressondeuteriumreleaseoxidationanddustgenerationinberylliumplasmafacingcomponents AT ealves impactofwateringressondeuteriumreleaseoxidationanddustgenerationinberylliumplasmafacingcomponents AT mrubel impactofwateringressondeuteriumreleaseoxidationanddustgenerationinberylliumplasmafacingcomponents |