Third Research Coordination Meeting of the Irradiated Tungsten CRP

Meeting Report

The 3rd Research Coordination Meeting of the CRP on Plasma-Wall Interaction for Irradiated Tungsten and Tungsten Alloys in Fusion Devices was held from 27 – 30 June 2017 in Room M0E75 at IAEA Headquarters in Vienna, Austria. The Scientific Secretary was Hyun-Kyung Chung (Unit Head, Atomic and Molecular Data Unit, IAEA).

Irradiated Tungsten CRP: RCM3 group photo

Agenda

Tuesday, 27 June 2017

09:30 – 09:45Opening, Introduction of Participants, Adoption of Agenda
09:45 – 10:00Hyun-Kyung CHUNG (IAEA)
Meeting Objectives
[presentation (pdf: 862.3 KB)]
Session 1: Experiments I

Chair: Hyun-Kyung CHUNG

10:00 – 10:45HATANO Yuji (University of Toyama, Japan)
Update on deuterium behaviors in neutron-irradiated tungsten
[presentation (pdf: 1.4 MB)]
10:45 – 11:00Coffee Break
11:00 – 11:45Masashi SHIMADA (Idaho National Laboratory, United States of America)
Deuterium behavior in HFIR neutron-irradiated tungsten under US-Japan PHENIX program
[presentation (pdf: 6.2 MB)]
11:45 – 12:30Matej MAYER (Max Planck Institute for Plasma Physics, Garching, Germany)
Deuterium retention in tungsten damaged by mechanical work, electrons, and fast ions
[presentation (pdf: 2.0 MB)]
12:30 – 14:00Lunch
Session 2: Experiments II

Chair: HATANO Yuji

14:00 – 14:45Haishan ZHOU (Institute of Plasma Physics, Chinese Academy of Sciences (ASIPP), China)
Progress of W-relevant plasma-material interaction studies at ASIPP
[presentation (pdf: 4.8 MB)]
14:45 – 15:30Elodie BERNARD (Centre d'Etudes Nucleaires de Cadarache, Association EURATOM-CEA, France)
Impact of helium irradiation on tritium retention in tungsten
[presentation (pdf: 2.2 MB)]
15:30 – 15:50Coffee Break
15:50 – 16:35HASEGAWA Akira (Tohoku University, Japan)
Current status of study on damage structure evolution of neutron irradiated tungsten and its alloys
16:35 – 17:15Discussion on TDS modelling code comparison exercise (chair: Masashi SHIMADA)

Wednesday, 28 June 2017

Session 3: Experiments III

Chair: Matej MAYER

09:00 – 09:45Sabina MARKELJ (Jožef Stefan Institute, Slovenia)
Hydrogen retention in self-damaged and He-irradiated tungsten for PFC - update on the recent results
[presentation (pdf: 8.1 MB)]
09:45 – 10:30SAKAMOTO Mizuki (University of Tsukuba, Japan)
Deuterium retention in tungsten irradiated by heavy ions
[presentation (pdf: 1.3 MB)]
10:30 – 10:50Coffee Break
10:50 – 11:35Yury GASPARYAN (National Research Nuclear University MEPhI, Russia)
Quantitative characteristics of H and He interaction with radiation defects in tungsten
[presentation (pdf: 1.8 MB)]
11:35 – 12:20Marius WIRTZ (Forschungszentrum Jülich (FZJ), Germany)
Behavior of tungsten under thermal and plasma exposure and development of advanced tungsten materials
[presentation (pdf: 5.5 MB)]
12:20 – 13:40Lunch
Session 4: Experiments IV

Chair: Sabina MARKELJ

13:40 – 14:25Boris KHRIPUNOV (Kurchatov Institute, Russia)
Deuterium plasma effect on tungsten irradiated with high-energy ions
[presentation (pdf: 9.2 MB)]
14:25 – 15:10Prakash M. RAOLE (Institute for Plasma Research, Ahmedabad, India)
Ion-Irradiation of Tungsten: Modeling & Experiments
[presentation (pdf: 23.5 MB)]
15:10 – 15:30Coffee Break
15:30 – 16:15Thomas SCHWARZ-SELINGER (Max Planck Institute for Plasma Physics, Garching, Germany)
TDS round robin samples: Motivation, preparation and pre-characterization
[presentation (pdf: 962.6 KB)]
16:15 – 17:30Takuji ODA (College of Nuclear Engineering, Seoul National University, South Korea)
Review of TDS Round-Robin Experiments
[presentation (pdf: 2.6 MB)]

Thursday, 29 June 2017

Session 5: Simulations I

Chair: Masashi SHIMADA

09:00 – 09:45Sergei DUDAREV (Culham Centre for Fusion Energy, United Kingdom)
Non-local real-space diffusion-driven models for microstructural evolution of irradiated tungsten
[presentation (pdf: 5.7 MB)]
09:45 – 10:30Takuji ODA (College of Nuclear Engineering, Seoul National University, South Korea)
Modeling of tritium trapping effects of vacancy, grain boundaries and vacancy clusters
[presentation (pdf: 2.6 MB)]
10:30 – 10:50Coffee Break
10:50 – 11:35Marie France BARTHE (Conditions Extrêmes et Matériaux : Haute Température et Irradiation, CNRS Orleans Campus, France)
[Presentation not provided]
11:35 – 12:20Hong-Bo ZHOU (Beihang University, China)
Interstitial-mediated diffusion and aggregation mechanism for transmutation elements rhenium and osmium precipitation in tungsten
[presentation (pdf: 4.5 MB)]
12:20 – 13:40Lunch
Session 6: Simulations II

Chair: Sergei DUDAREV

13:40 – 14:25Richard KURTZ (Pacific Northwest National Laboratory, United States of America)
Overview of SciDAC - PSI: A multiscale - multiphysics approach to simulating tungsten plasma surface interactions from the boundary plasma to the bulk substrate
[presentation (pdf: 4.8 MB)]
14:25 – 15:10Changsong LIU (Institute of Solid State Physics, Chinese Academy of Sciences (ISSP-CAS), Hefei, China)
Across-scale self-healing mechanism for radiation damage in nano-crystal tungsten
[presentation (pdf: 4.0 MB)]
15:10 – 15:30Coffee Break
15:30 – 16:00Review of CRP objectives that were addressed in the course of the project (all participants)
16:00 – 17:30Group discussions (3 groups)

Friday, 30 June 2017

Session 7: Discussions
09:00 – 09:30Discussion on fundamental modelling and its connection to experiments. Review of main problems that were addressed in the course of the CRP. Discussion on the current status of simulations and proposed code comparisons
[presentation (pdf: 997.2 KB)]
09:30 – 10:00Discussion on production and characterization of damage: experiments and modelling. Review of main problems that were addressed in the course of the CRP
[presentation (pdf: 123.8 KB)]
10:00 – 10:30Discussion on hydrogen (tritium) retention in damaged tungsten: experiments and modelling. Review of main problems that were addressed in the course of the CRP
[presentation (pdf: 55.5 KB)]
10:30 – 11:00Coffee Break
11:00 – 11:30Summary and Outlook of TDS Round Robin Experiments
[presentation (pdf: 177.7 KB)]
11:30 – 13:00Lunch
13:00 – 15:00Future Work and Plans for the Final Report; Adjournment of Meeting

Presentations

Marie France BARTHE (Conditions Extrêmes et Matériaux : Haute Température et Irradiation, CNRS Orleans Campus, France)
[Presentation not provided]

Elodie BERNARD (Centre d'Etudes Nucleaires de Cadarache, Association EURATOM-CEA, France)
Impact of helium irradiation on tritium retention in tungsten
[presentation (pdf: 2.2 MB)]

Hyun-Kyung CHUNG (National Fusion Research Institute, South Korea)
Meeting Objectives
[presentation (pdf: 862.3 KB)]

Sergei DUDAREV (Culham Centre for Fusion Energy, United Kingdom)
Non-local real-space diffusion-driven models for microstructural evolution of irradiated tungsten
[presentation (pdf: 5.7 MB)]

Yury GASPARYAN (National Research Nuclear University MEPhI, Russia)
Quantitative characteristics of H and He interaction with radiation defects in tungsten
[presentation (pdf: 1.8 MB)]

HASEGAWA Akira (Tohoku University, Japan)
Current status of study on damage structure evolution of neutron irradiated tungsten and its alloys

HATANO Yuji (University of Toyama, Japan)
Update on deuterium behaviors in neutron-irradiated tungsten
[presentation (pdf: 1.4 MB)]

Boris KHRIPUNOV (Kurchatov Institute, Russia)
Deuterium plasma effect on tungsten irradiated with high-energy ions
[presentation (pdf: 9.2 MB)]

Richard KURTZ (Pacific Northwest National Laboratory, United States of America)
Overview of SciDAC - PSI: A multiscale - multiphysics approach to simulating tungsten plasma surface interactions from the boundary plasma to the bulk substrate
[presentation (pdf: 4.8 MB)]

Changsong LIU (Institute of Solid State Physics, Chinese Academy of Sciences (ISSP-CAS), Hefei, China)
Across-scale self-healing mechanism for radiation damage in nano-crystal tungsten
[presentation (pdf: 4.0 MB)]

Sabina MARKELJ (Jožef Stefan Institute, Slovenia)
Hydrogen retention in self-damaged and He-irradiated tungsten for PFC - update on the recent results
[presentation (pdf: 8.1 MB)]

Matej MAYER (Max Planck Institute for Plasma Physics, Garching, Germany)
Deuterium retention in tungsten damaged by mechanical work, electrons, and fast ions
[presentation (pdf: 2.0 MB)]

Takuji ODA (College of Nuclear Engineering, Seoul National University, South Korea)
Review of TDS Round-Robin Experiments
[presentation (pdf: 2.6 MB)]

Takuji ODA (College of Nuclear Engineering, Seoul National University, South Korea)
Modeling of tritium trapping effects of vacancy, grain boundaries and vacancy clusters
[presentation (pdf: 2.6 MB)]

Prakash M. RAOLE (Institute for Plasma Research, Ahmedabad, India)
Ion-Irradiation of Tungsten: Modeling & Experiments
[presentation (pdf: 23.5 MB)]

SAKAMOTO Mizuki (University of Tsukuba, Japan)
Deuterium retention in tungsten irradiated by heavy ions
[presentation (pdf: 1.3 MB)]

Thomas SCHWARZ-SELINGER (Max Planck Institute for Plasma Physics, Garching, Germany)
TDS round robin samples: Motivation, preparation and pre-characterization
[presentation (pdf: 962.6 KB)]

Masashi SHIMADA (Idaho National Laboratory, United States of America)
Deuterium behavior in HFIR neutron-irradiated tungsten under US-Japan PHENIX program
[presentation (pdf: 6.2 MB)]

Marius WIRTZ (Forschungszentrum Jülich (FZJ), Germany)
Behavior of tungsten under thermal and plasma exposure and development of advanced tungsten materials
[presentation (pdf: 5.5 MB)]

Haishan ZHOU (Institute of Plasma Physics, Chinese Academy of Sciences (ASIPP), China)
Progress of W-relevant plasma-material interaction studies at ASIPP
[presentation (pdf: 4.8 MB)]

Hong-Bo ZHOU (Beihang University, China)
Interstitial-mediated diffusion and aggregation mechanism for transmutation elements rhenium and osmium precipitation in tungsten
[presentation (pdf: 4.5 MB)]

Discussion on fundamental modelling and its connection to experiments. Review of main problems that were addressed in the course of the CRP. Discussion on the current status of simulations and proposed code comparisons
[presentation (pdf: 997.2 KB)]

Discussion on production and characterization of damage: experiments and modelling. Review of main problems that were addressed in the course of the CRP
[presentation (pdf: 123.8 KB)]

Discussion on hydrogen (tritium) retention in damaged tungsten: experiments and modelling. Review of main problems that were addressed in the course of the CRP
[presentation (pdf: 55.5 KB)]

Summary and Outlook of TDS Round Robin Experiments
[presentation (pdf: 177.7 KB)]