Oarai Workshop & Radiation Effects in Materials: Irradiation 3.0 Workshop

Sep. 30

Opening session
9:05 – 9:10 Opening remarks
Tadashi Furuhara, Director of Institute for Materials Research, Tohoku Univ.
9:10 – 9:15 Introduction of Oarai Workshop
Yasuyoshi Nagai, Head of International Research Center for Nuclear Materials Science Laboratory, Tohoku Univ.
9:15 – 9:20 Introduction of REMAS2020, Irradiation 3.0
Ryuta Kasada, IMR, Tohoku Univ.
9:20 – 9:30 Announcements from the web conference office
Shimizu Yusei, IMR, Tohoku Univ.

Plenary Talk 1 (Chair: S. Kondo, Tohoku Univ.)
9:30 – 10:10 Additive manufacturing of silicon carbide for nuclear applications
Takaaki Koyanagi, ORNL

10:10 – 10:20 Coffee break

Oral Session 1 (Chair: R. Kasada, Tohoku Univ.)
10:20 – 10:40 Current research status of neutron irradiation effects on advanced Tungsten alloys
Akira Hasegawa, Tohoku Univ.
10:40 – 11:00 Deuterium Retention in Irradiated W and W-Re, Cr, Mo and Ta Binary Alloys
Yuji Hatano, Toyama Univ.
11:00 – 11:20 Re-optimaization of composition for vanadium alloys for fusion reactors based on low-activation characteristics and irradiation properties.
Takuya Nagasaka, NIFS
11:20 – 11:40 Neutron Irradiation Tolerance of Potassium-Doped Tungsten-Rhenium Alloys
Shuhei Nogami, Tohoku Univ.
11:40 – 12:00 Recent research on the effects of displacement damage and helium atoms on creep properties of austenitic stainless steel using research and test reactors and accelerators for innovated reactor development
Eiichi Wakai, JAEA

12:00 – 13:00 Lunch

Oral Session 2 (Chair: T. Toyama, Tohoku Univ.)
13:00 – 13:20 Ultra-Small Testing Technologies for Irradiated Materials: A key of “Micro-Hot-Laboratory”
Ryuta Kasada, Tohoku Univ.
13:20 – 13:40 Development and study of radiation damage in high entropy alloys for nuclear application
Naoyuki Hashimoto, Hokaido Univ.
13:40 – 14:00 Irradiation behavior of vanadium alloy with/without temperature transient effect during neutron irradiation using MARICO-II capsule in Joyo
Kenichi Fukumoto, Fukui Univ.
14:00 – 14:20 Radiation effects on the EB-weld bonding of ODS ferritic steel
—Comparison between neutron and ion irradiation–
Akihiko Kimura, Chongqing Univ.

14:20 – 14:30 Coffee break

Oral Session 3 (Chair: K. Yoshida, Tohoku Univ.)
14:30 – 14:50 Defect production, hardening and deuterium retention in stage II-III neutron irradiated CVD-W
Xiaoou Yi, USTB
14:50 – 15:10 Observation of structural imperfectness in thermoelectric materials by advanced analytical microscopy
Miao Lei, Guilin Univ. Electr. Tech.
15:10 – 15:30 Cross-sectional TEM imaging of NiCrMnSi and CoFe:N alloys for magnetic tunnel junctions
Atsufumi Hirohata, York. Univ.
15:30 – 15:50 Deuterium release from deuterium plasma-exposed neutron-irradiated and non-neutron-irradiated tungsten samples during annealing
V. Alimov, Russian Academy of Science

15:50 – 16:00 Coffee break

Plenary Talk 2 (Chair: T. Toyama, Tohoku Univ.)
16:00 – 18:00 Fifteen years of MICADO collaboration, Current status and future plan of irradiation and technical possibilities of SCK.CEN and BR2, Future collaboration on fusion materials, others.
S. Van Dyck, D. Terentyev, I. Uytdenhouwen, B. Rossaert, SCK/CEN

Poster Session 1 (Chair: Y. Okuno, Tohoku Univ.)
18:00 – 19:30 Poster 1

P1-1 Micro-tensile testing of stainless steel welds
A. Miura , INSS
P1-2 Effect of post irradiation annealing on irradiation hardening of weld metal of NIFS-HEAT2 (V-4Cr-4Ti alloy)
J. Shen , NIFS
P1-3 Effects of helium and radiative cooling gas on hydrogen isotope retention in neutron-irradiated tungsten
Y. Nobuta , Hokkaido Univ.
P1-4 (Moved to P2-20, Oct.1)
P1-5 Investigation of microstructural changes in a thermally aged Fe-Cu alloy using a magnetic mixing-frequency technique
S. Kobayashi , Iwate Univ.
P1-6 Spatial distribution of halogen compositions in the wedge mantle-derived rocks from the Sanbagawa metamorphic belt
H. Sumino , Univ. of Tokyo
P1-7 Evaluation of D retention behavior for damaged W after D plasma exposure
S. Yamazaki , Shizuoka Univ.
P1-8 Atom probe tomography observation of diffusion behaviors in isotopically controlled silicon nanostructures
S. Miyamoto , Nagoya Univ.
P1-9 Neutron irradiation effect on particle dispersion SiC composites
T. Hinoki , Kyoto Univ.
P1-10 Irradiation Effect on Fe-Mn alloys
K. Yabuuchi , Kyoto Univ.
P1-11 Observation of fatigue induced precracks and evaluation of fracture toughness in an ITER specification tungsten
K. Tokunaga , Kyushu Univ.
P1-12 Evaluation of nano-sized oxide dispersion condition in ODS steel by atom probe tomography
T. Tanno , JAEA
P1-13 Effect of initial properties on irradiation hardening in RPV steel
Y. Ha , JAEA
P1-14 Influence of Radiation Damage Change in Neutron Irradiated Tungsten on Deuterium Retention
M. Yajima , NIFS
P1-15 Structural analysis of Si/diamond heterointerfaces fabricated by surface activated bonding using LT-FIB and STEM
Y. Ohno , IMR, Tohoku Univ.
P1-16 A challenge to observe segregation of solute atoms on stacking faults in high-entropy alloy by atom probe tomography
K. Inoue , IMR, Tohoku Univ.
P1-17 Dosimeter characteristics for gamma rays with high radiation-resistance applying CIS solar cells
Y. Okuno , IMR, Tohoku Univ.

Oct. 1

Plenary Talk 3 (Chair: R. Kasada, Tohoku Univ.)
9:00 – 9:35 The Use of Nanindentation as a Strength Microprobe to Investigate Properties Alterations Associated with Radiation Damage
W.C. Oliver

Plenary Talk 4 (Chair: Y. Nagai, Tohoku Univ.)
9:35 – 10:10 Measuring, Modeling and Managing RPV Embrittlement: Low Flux-High Fluence Shift Predictions
G.R. Odette , UCSB

10:10 – 10:15 Coffee break

Oral Session 4 (Chair: K. Yoshida, Tohoku Univ.)
10:15 – 10:35 Anomalous phase separation in Fe-Cr alloys under three types of irradiation
Somei Ohnuki , USTB
10:35 – 10:55 Radiation-induced microstructure and mechanical property modification in FeCrAl-ODS Alloy after Neutron Irradiation at an Operating Temperature
Naoko Oono , Hokkaido Univ.
10:55 – 11:15 Microstructural analysis of RPV steels in joint research between SCK.CEN and IMR
Takeshi Toyama , Tohoku Univ.
11:15 – 11:35 Study of radiation induced microstructure of Fe-(Mn,Ni) model alloys under neutron irradiaton
Hideo Watanabe , Kyushu Univ.
11:35 – 11:55 Role of SiC dangling bonds in the irradiation assisted corrosion
Sosuke Kondo , Tohoku Univ.
11:55 – 12:15 Neutron Irradiation Effect on Critical Current of Nb3Sn Wire for ITER TF Coil.
Arata Nishimura , National Inst. for Fusion Science

12:15 – 13:15 Lunch

Oral Session 5 (Chair: K. Inoue, Tohoku Univ.)
13:15 – 13:35 Investigation of environmental durability of NITE-SiC/SiC Composites under neutron irradiation environments
Hirotatsu Kishimoto , Muroran Inst. Tech.
13:35 – 13:55 Cleavage and dislocation emissions in BCC iron: A molecular dynamics study
Tomoaki Suzudo , JAEA
13:55 – 14:15 Radiation-Induced Amorphization of M23C6 in Reduced Activation Ferritic/Martensitic Steels: An atomic-Scale Observation
Sho Kano , Tokyo Univ.
14:15 – 14:35 The formation of iron nitride, α”-Fe16N2, around <100> interstitial type dislocation loops in neutron-irradiated iron
Toshimasa Yoshiie , Kyoto Univ.
14:35 – 14:55 Development of miniature fracture toughness test technique for thin martensitic steel wrapper tube of fast reactor
Takashi Tannno , JAEA

14:55 – 15:05 Coffee break

Oral Session 6 (Chair: Y. Shimada, Tohoku Univ.)
15:05 – 15:25 Development of radiation resistant materials for superconducting magnet system for high intensity proton beam line
Tatsushi Nakamoto , KEK
15:25 – 15:45 Atom probe analysis of dopant distribution
in commercial solar cells
Yasuo Shimizu , NIMS
15:45 – 16:05 Effects of cold work on solute atom clustering during thermal aging in RPV model alloy
Katsuhiko Fujii , INSS
16:05 – 16:25 In-situ weak-beam STEM for quantitative dislocation analysis in nuclear materials during post-irradiation annealing
Kenta Yoshida , Tohoku Univ.

16:25 – 16:35 Coffee break

Discussion Session 2 (Chair: T. Toyama, Tohoku Univ.)
16:35 – 17:30 Discussion for future irradiation plan using BR2

Poster Session 2 (Chair: H. Yu, Tohoku Univ.)
17:30 – 19:00 Poster 2

P2-1 Valence electron state analysis in choromium carbide and borocarbide
N. Mizumoto* , Tohoku Univ.
P2-2 Evaluation of irradiation hardening behavior of ODS-Cu based on micro-pillar compression and nano-indentation test
Y. Liu* , Tohoku Univ.
P2-3 Evaluation of Local Mechanical Properties of Electron-Irradiated RPV Steels by Ultra-Small Testing Technologies
Y. Zheng* , Tohoku Univ.
P2-4 Effect of oxygen concentration and Al content on the corrosion behavior of Fe-Mn-Al-Cr-C type austenitic steels in lead-bismuth eutectic
H. Wang* , Tohoku Univ.
P2-5 The mechanical preoperties of SiC fibers after passive oxidation
X. Yuan* , Tohoku Univ.
P2-6 Evaluation of joining strength of explosive welded W/F82H by ultra-small tensile/compression test
X. Wu* , Tohoku Univ.
P2-7 Sintering of TiB2 ultra-high temperature ceramics with amorphous Ti, B eutectic alloy additive
Y. Jimba* , Tohoku Univ.
P2-8 Effects of hydrogenation of SiC on the surface passivation
K. Seki* , Tohoku Univ.
P2-9 Investigation of Cu diffusivity in Fe by the combination of atom probe experiments and Monte Carlo simulation
C. Zhao* , Tohoku Univ.
P2-10 Direct observation of Cu diffusivity in Pure Iron Grain Boundary by Atom Probe Tomography
H. Miyata* , Tohoku Univ.
P2-11 In situ observation via spherical aberration-corrected transmission electron microscopy of atomic-scale defects in Al thin films
J. Chen* , Tohoku Univ.
P2-12 Preparation of stock solutions of thorium-229 and Ra-228
H. Kikunaga , ELPH, Tohoku Univ.
P2-13 Microfabrication of the Uranium Based Spin Triplet Superconductor for High Magnetic Field Experiments
M. Kimata , IMR, Tohoku Univ.
P2-14 Zero-magnetic-field Hall effect in the ferroic toroidal candidate UNi4B
K. Ota* , Osaka Univ.
P2-15 Study of Electronic Properties of Rare-earth and Actinide Compounds under Ultra-high Pressures
T. Koizumi* , Tohoku Univ.
P2-16 Ternary uranium transition metal carbides
M. Nagare* , Kanazawa Univ.
P2-17 Material irradiation technique in Joyo and progress of regulator’s safety screening (Tentative)
W. Itagaki, JAEA
P2-18 Relativistic study on the linearity of uranyl molecule
A. Sunaga, Kyoto Univ.
P2-19 Hydrothermal synthesis of (U,Np)O2 under subcritical water condition
T. Yamamura, Kyoto Univ.
P2-20 Irradiation Effects of Corrosion Behaviour on fusion materials under high temperature/pressurized water
N. Nakazato , Muroran Inst. of Tech.

*Graduate Student

Oct. 2

Oarai Workshop on Actinoid Science

Opening Remark
9:00 – 9:10 Introduction of Oarai Workshop on Actinoid Science
Dai Aoki

Oral Session 7 (Chair: D. Aoki, Tohoku Univ.)
9:10 – 9:40 New compounds with novel type of ferromagnetic quantum criticality
Valentin Taufour , UC-Davis
9:40 – 10:00 Study of Electronic States in Multipolar Conductors and Related Materials
Hitoshi Sugawara , Kobe Univ.
10:00 – 10:20 Magnetic fluctuations near ferromagnetic critical point in UGe2 and research of related materials
Hisashi Kotegawa , Kobe Univ.
10:20 – 10:40 Development of novel cyclic monoamide extractants for selective separation of uranium(VI)
Masanobu Nogami , Kinki Univ.

10:40 – 10:50 Coffee break

Oral Session 8 (Chair: F. Honda, Tohoku Univ.)
10:50 – 11:10 Search for Uranium Compounds with Odd-Parity Cluster Multipole Ordering
Hiroshi Amitsuka , Hokkaido Univ.
11:10 – 11:30 Single Crystal Growth and Unique Electronic States of Cubic Chiral EuPtSi and Related Compounds
Yoshichika Onuki , RIKEN, CEMS
11:30 – 11:50 Relationship between quantum critical fluctuations and anomalous superconductivity in CeCoIn5 and its ionic substitutions 
Makoto Yokoyama , Ibaraki Univ.
11:50 – 12:10 New avenue of outreach activities – how to become a YouTuber –
Shunsaku Kitagawa , Kyoto Univ.

12:10 – 13:30 Lunch

Oral Session 9 (Chair: H. Amitsuka, Hokkaido Univ.)
13:30 – 13:50 Field-reentrant and multiple superconductivity in UTe2
Dai Aoki , Tohoku Univ.
13:50 – 14:10 Nodal structure of UTe2 studied by thermal conductivity Koichi Izawa , Osaka.Univ.
14:10 – 14:30 NMR Study of Magnetic Fluctuations in Heavy Fermion Superconductor UTe2
Yo Tokunaga , JAEA
14:30 – 14:50 NMR Study on the Superconducting State of UTe2
Kenji Ishida , Kyoto Univ.

14:50 – 15:00 Coffee break

Oral Session 10 (Chair: F. Honda, Tohoku Univ.)
15:00 – 15:30 Extremely large magnetoresistance and Fermi surface properties of MoSi2 and WSi2 Single crystals
A. Thamizhavel , Tata Inst. of Fundamental Research
15:30 – 16:00 Tuning of the 5f magnetism in U intermetallics by polar bonds
L. Havela , Charles Univ.

16:00 – 16:15 Coffee break

Oral Session 11 (Chair: Y. Shimizu, Tohoku Univ.)
16:15 – 16:45 Field Enhancement of Superconductivity in UTe2
G. Knebel , CEA
16:45 – 17:15 The nearly ferromagnetic superconductor UTe2 under pressure
D. Braithwaite , CEA
17:15 – 17:45 The mystery of CeRhIn5 in high magnetic fields
I. Sheikin , CNRS

Poster Session 3 (Chair: Y. Okuno, Tohoku Univ.)
17:45 – 19:00 Poster 3 (To be fixed)

Oct. 3

Workshop of Laboratory of Alpha-Ray Emitters

Opening Remark
8:55 – 9:00 Introduction of Workshop of Laboratory of Alpha-Ray Emitters Kenji Shirasaki

Oral Session 12 (Chair: K. Tsukada)
9:00 – 9:20 Targeted alpha therapy using 225Ac-RGD peptide for pancreatic cancer
Mitsuyoshi Yoshimoto , Nat. Cancer Centr.
9:20 – 9:40 Development of targeted alpha therapy using Actinium-225
Yoshifumi Shirakami , Osaka Univ.
9:40 – 10:00 Analysis of the alteration behavior of zircon mineral in the three different pH solutions
Toru Kitagaki , JAEA

10:00 – 10:10 Coffee break

Oral Session 13 (Chair:T. Yamamura, Kyoto Univ.)
10:10 – 10:30 Study of Magnetoelectric Effect on Antiferromagnetic Compounds of Ce3TiSb5 and Ce3TiBi5 with Ce Zig-Zag Chain
Gaku Motoyama , Shimane Univ.
10:30 – 10:50 Novel Production Method of the Lowest-Energy Nuclear State – Thorium-229 Isomer
Koji Yoshimura , Okayama Univ.
10:50 – 11:10 Energy of the Th-+G10:I10229 nuclear clock isomer determined by absolute γ-ray energy difference
Atsushi Yamaguchi , RIKEN

11:10 – 11:20 Coffee break

Oral Session 14 (Chair:K. Shirasaki, Tohoku Univ.)
11:20 – 11:40 Diffusion behavior of Pu and Np in bentonite
Kazuya Idemitsu , Kyushu Univ.
11:40 – 12:00 Fundamental Study for Precise Analysis of Actinides in Hardly Soluble Substances Containing Uranium Oxides
Tatsuya Suzuki , Nagaoka Univ. of Tech.
12:00 – 12:20 Crystal structure and magnetism of uranium phthalocyanine complex
Chihiro Tabata , Kyoto Univ.
12:20 – 12:40 Relation between ion recognition of f-block elements and polymeric characteristics by extractant-immobilized hydrogel adsorbents
Masahiko Nakase , Tokyo Inst. Tech.

Closing Remarks
12:40 – 12:50 Closing Remarks
Yasuyoshi Nagai, Tohoku Univ.