SPE kick-off meeting
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Europe/Berlin
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Welcome and introduction to WP PWIESpeakers: Michael Reinhart (FZJ), Sebastijan Brezinsek (FZJ)
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Sample availability/cutting plans/logisticsSpeaker: Ionut Jepu
- Ionut presented all the JET tiles and components removed during 2017 shutdown that are available for post-mortem analyses
- not all tiles/components will be analysed under SPE
- shipping of divertor tiles to VTT on the way
- tile piece 1X18-C3 with RE damage will be shipped to IAP soon for cutting
- Marek: comment on D retention in melt zones of tile 3A8 and on IWC inserts that is a small project only
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CU activities in 2022: LIBS experiments of JET samples at VTT/FZJ – plans and capabilitiesSpeaker: Alicia Marín Roldán
- no beryllium samples can be analysed at CU
- limit for tritium amount in the samples to be checked
- planning of LIBS experiments at VTT is on-going
- joint LID-QMS experiments with FZJ
- measurement non-Be samples at CU depending on available samples (e.g. W lamellae)
- analysis capabilities at CU: depth profiling, quantification using CF-LIBS, fuel retention
- Anna: no tritium free JET samples available, T content in W lamellae low, though
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FZJ activities in 2022: Fuel retention analysis by TDS and LID-QMS – plans and capabilitiesSpeaker: Timo Dittmar (FZJ)
- FREDIS device: designed for handling full size JET tiles, LID, TDS
- LIBS system not in hot cells
- sample cutting & metallurgy
- Be compatible
- limited T amounts
- dry or wet cutting
- epoxy embeding & polishing
- FZJ has several JET2 samples
- interested in C39 baking cycle experiment
- planning:
- Fuel retention studies with LID-QMS & TDS
- Baking experiments
- LIBS & metallurgy on W-divertor lamella
- T imaging plate measurements on LID-QMS samples jointly with Japan
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IAP activities in 2022: Sample preparation and TDS and GDOES analysis of JET samples- plans and capabilitiesSpeakers: Dr Corneliu Porosnicu (IAP), Edi Grigore
- cutting of Be tiles and sample preparation
- cutting of W lamellae
- TDS: quadrupole mass spec, max annealing temperature 1300K
- other capabilities: SEM, nanoindentation, XPS, ICPOES, surface tritium monitor, sample tritiation
- GDOES for depth profiling and fuel retention studies
- GDOES sample requirements: diam= 7mm and h=10mm
- XRD for phase analysis measurements and crystallite size measurements
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IPPLM activities in 2022: Electron microscopy of JET PFCs – plans and capabilitiesSpeaker: Elzbieta Fortuna-Zalesna (IPPLM)
- under WP JET2: analysis of mirrors and dust, microscopy of spatial blocks, QMB covers,
W-CFC core samples, filters, nanoindentation of W lamellae - several electron microscopes (SEM, TEM), FIB
- other equipment: XRD, profilometer, tribometer
- Be contaminated samples can be handled but not flaking samples
- planning:
- microstructure of Langmuir probes and W lamellae
- under WP JET2: analysis of mirrors and dust, microscopy of spatial blocks, QMB covers,
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ISPP_UL activities in 2022: Tritium and composition analysis of JET samples – plans and capabilitiesSpeaker: Elina Pajuste
- different concepts of tritium measurements: dissolution/etching, thermal desorption, full combustion
- chemical/electrochemical etching: Be, W, Inconel
- combustion: all the materials that are combustible (carbon based, metals)
- TDS: all solid materials
- combination of the methods: coatings, mixed materials
- planning:
- W lamellae, louvre clips
- participation in simulation of C39 baking experiment
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IST activities in 2022: IBA analysis of JET PFCs – plans and capabilitiesSpeaker: Norberto Catarino
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MPG activities in 2022: IBA analysis of JET PFCs – plans and capabilitiesSpeaker: Matej Mayer (IPP)
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NCSRD activities in 2022: IBA analysis of JET PFCs – plans and capabilitiesSpeaker: Tassos Lagoyannis
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VR activities in 2022: IBA analysis of JET PFCs – plans and capabilitiesSpeakers: Marek Rubel (VR / Royal Institute of Technology, Stockholm, Sweden), Per Petersson (VR)
- four accelerators with different energy ranges at VR
- LEIS, MEIS, AMS
- 1250C TDS with in-situ implantation & IBA
- magnetrons, evaporation cells
- sputter guns
- clean room
- dual beam spectro-photometry
- profilometry
- microscopy
- optical
- SEM
- FIB
- STEM
- AFM
- D-T neutron source: NESSA (June 2022)
- samples sectioned at VTT from divertor Tiles 0 and 1
- Langmuir probes
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UKAEA activities in 2022: TDS analysis of JET PFCs – plans and capabilitiesSpeaker: Yevhen Zayachuk
- capabilities
- TDS – combined with IBA in collaboration
- MRF facility at UKAEA.
• sample preparation – cutting and polishing.
• microstructural study: SEM, EBSD.
• micromechanical study: nanoindentation.
• possibly IBA – microbeam analysis - Tritium analysis laboratory (TAL) @ UKAEA.
• total combustion.
• potentially tritium quantification – comparison with dissolution (UoL).
- plans
- recrystallization studies, microstructure and micromechanics, tile 5 stack B lamella samples, Langmuir probes
- passive diagnostics (louvre clips, QMB covers) deposit chemical analysis – Raman spectroscopy
- long-exposure samples from tiles 0 and 1
- TDS – retention measurements (collaboration with VTT)
- IBA at IST – before and after TDS
- simulation of C39 baking cycle
- runaway electron damage on tile 1XR18 C3, possibility SEM-EBSD at MRF
- capabilities
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Discussion on tasks and identification of gapsSpeaker: All
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Final remarks and future actionsSpeaker: Jari Likonen (VTT)
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