SPE kick-off meeting

Wednesday 2 Mar 2022, 09:30 → 12:05 Europe/Berlin

https://us02web.zoom.us/j/84306811838?pwd=Mkhld3dqcFE4Uythd0FyaURzQzRaZz09

SPE_KoM_020322_agenda v2.docx

1 Welcome and introduction to WP PWIE

Speakers: Michael Reinhart (FZJ), Sebastijan Brezinsek (FZJ)

WPPWIE_SPE_Introduction.pptx

2 Overview of SP E in 2022

Speaker: Jari Likonen (VTT)

SPE_Introduction_Likonen.pptx

3 Sample availability/cutting plans/logistics

Speaker: Ionut Jepu

WPPWIE-SPE_JET sample availability_v2_1.pptx

• 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

4 CU activities in 2022: LIBS experiments of JET samples at VTT/FZJ – plans and capabilities

Speaker: Alicia Marín Roldán

SPE KoM CU 2022 03 02.pdf

• 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

5 FZJ activities in 2022: Fuel retention analysis by TDS and LID-QMS – plans and capabilities

Speaker: Timo Dittmar (FZJ)

SPE_Kickoff_FZJ_Plans_samples_devices-expanded.pdf

• 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

6 IAP activities in 2022: Sample preparation and TDS and GDOES analysis of JET samples- plans and capabilities

Speakers: Dr Corneliu Porosnicu (IAP), Edi Grigore

IAP PWIE SP E KoM 2022 IAP.pptx

• 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

7 IPPLM activities in 2022: Electron microscopy of JET PFCs – plans and capabilities

Speaker: Elzbieta Fortuna-Zalesna (IPPLM)

SPE_IPPLM plans and capabilities.pdf

• 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

8 ISPP_UL activities in 2022: Tritium and composition analysis of JET samples – plans and capabilities

Speaker: Elina Pajuste

ISPP UL activities in 2022.pptx

• 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

9 IST activities in 2022: IBA analysis of JET PFCs – plans and capabilities

Speaker: Norberto Catarino

PWIE _SPE2022 - NC.pdf

IST capabilities:

• D, Be and C profiling with NRA
• elemental profiling with RBS and EBS
• trace metal impurities with PIXE
• computational analysis: WiNDF
• microbeam analysis: resolution 3x4um2
• full JET tile analysis
• AMS: no T analysis yet

10 MPG activities in 2022: IBA analysis of JET PFCs – plans and capabilities

Speaker: Matej Mayer (IPP)

2022-03-02_JET_Mayer.pdf

• Bulk W
  • Analysis of whole lamellae is possible
  • Analysis of cut-out samples possible
  • RBS
  • NRA
• deposits on tiles 0 + 1
  • already analysed layer thicknesses up to 30 μm
  • RBS: 4.5 MeV H+, max energy 6 MeV H+, but potential radiation problems
  • NRA: 6 MeV 3He, Be layer thicknesses up to ~45 μm

11 NCSRD activities in 2022: IBA analysis of JET PFCs – plans and capabilities

Speaker: Tassos Lagoyannis

PWIE-SPE-NCSRD-presentation-2March2022.pptx

• 5.5 MV Tandem Accelerator
• currently under upgrade
• experimental setups & capabilities
  • RBS, NRA, PIGE, TOF-ERDA
  • XRF, XRD
  • indenter
  • SEM/EDS
• Post-mortem analysis: 
  • W/CFC samples from JET divertor 
  • W lamellae from JET divertor using micro beam 
  • Be samples 
  • D beam

12 VR activities in 2022: IBA analysis of JET PFCs – plans and capabilities

Speakers: Marek Rubel (VR / Royal Institute of Technology, Stockholm, Sweden), Per Petersson (VR)

SPE-slide-VR-Uppsala-KTH-2022-03-02.pdf

• 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

13 UKAEA activities in 2022: TDS analysis of JET PFCs – plans and capabilities

Speaker: Yevhen Zayachuk

SPE-kickoff_UKAEA.pdf

• 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

14 Discussion on tasks and identification of gaps

Speaker: All

15 Final remarks and future actions

Speaker: Jari Likonen (VTT)