Oral presentation

[2L10-15] Solid/Liquid Breeding Materials

Thu. Sep 12, 2019 2:45 PM - 4:20 PM Room L (Common Education Bildg. 2F E22)

Chair:Keisuke Mukai(Kyoto Univ.)

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2:45 PM - 3:00 PM

[2L10] Static electric granulation and sintering for tritium breeding solid-ceramics sphere

Granulation condition of ceramics powder by dry method

*Yuri Natori¹, Norihiro Ikemoto¹, Kazuo Yonehara¹, Katsuyoshi Tatenuma¹ (1. Kaken Inc.)

3:00 PM - 3:15 PM

[2L11] Effect of Li₂O content on CO₂ absorption characteristics of Li₂TiO₃

*Yuma Akita¹, Masaaki Yamamoto¹, Akira Taniike¹, Yuichi Furuyama¹ (1. Graduate school of maritime sciences,kobe university)

3:15 PM - 3:30 PM

[2L12] CO₂ absorption characteristics of high density Li₂ZrO₃ under moist air exposure

*MASAAKI Yamamoto¹, YUMA Akita¹, AKIRA Taniike¹, YUICHI Furuyama¹ (1. Graduate School of Maritime Sciences, Kobe University)

3:30 PM - 3:45 PM

[2L13] Compatibility test for tritium permeation barrier coatings with solid breeder pebbles

*Takumi Chikada¹, Matthias H.H. Kolb², Kazuki Nakamura¹, Keisuke Kimura¹, Marcin Rasinski³, Yoshimitsu Hishinuma⁴, Regina Knitter² (1. Shizuoka Univ., 2. KIT, 3. FZJ, 4. NIFS)

3:45 PM - 4:00 PM

[2L14] Compatibility between Fusion Reactor Blanket Structural Material F82H and Solid Breeder Lithium Oxide

*Keiji Oishi¹, Takayuki Terai¹ (1. Univ. of Tokyo)

4:00 PM - 4:15 PM

[2L15] Corrosion behavior of multi-layer coating for tritium permeation reduction in liquid lithium-lead

*Erika Akahoshi¹, Moeki Matsunaga¹, Keisuke Kimura¹, Kazuki Nakamura¹, Riho Endoh¹, Martin Balden², Yoshimitsu Hishinuma³, Takumi Chikada¹ (1. Shizuoka Univ., 2. Max Planc Institut, 3. NIFS)

Time reserved for Chair （4:15 PM - 4:20 PM）

Oral presentation

[2L16-18] Neutron Multiplier/Shielding Materials

Thu. Sep 12, 2019 4:20 PM - 5:10 PM Room L (Common Education Bildg. 2F E22)

Chair:Takumi Chikada(Shizuoka Univ.)

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4:20 PM - 4:35 PM

[2L16] Valence electron analysis of Be₁₃Zr beryllide neutron multiplier using soft X-ray emission spectrometry.

*Keisuke Mukai¹, Ryuta Kasada², Kiyohiro Yabuuchi¹, Satoshi Konishi¹, Jae-Hwan Kim³, Masaru Nakamichi³ (1. Kyoto University, 2. Tohoku University, 3. National Institutes for Quantum and Radiological Science and Technology)

4:35 PM - 4:50 PM

[2L17] Preliminary investigation of impurities elimination on the reuse process of neutron multipliers for fusion application

*Jae-Hwan Kim¹, Yoshiaki Akatsu ¹, Masaru Nakamichi¹ (1. QST)

4:50 PM - 5:05 PM

[2L18] Improvement of hydrogen release temperature of metal hydride neutron shielding material by Cr addition

*Masashi Sugatsuke¹, Teruya Tanaka², Yuji Ohishi¹, Ken Kurosaki³, Hiroaki Muta¹ (1. Osaka Univ., 2. NIFS, 3. Kyoto Univ.)

Time reserved for Chair （5:05 PM - 5:10 PM）

Oral presentation

[2L19-23] Hydrogen Isotopes in Materials

Thu. Sep 12, 2019 5:10 PM - 6:30 PM Room L (Common Education Bildg. 2F E22)

Chair:Kazunari Katayama(Kyushu Univ.)

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5:10 PM - 5:25 PM

[2L19] Correlation between hydrogen isotope retention for tungsten exposed to QUEST 2018 A / W plasma discharge campaign and its plasma discharge condition

*ayaka koike¹, Moeko Nakata¹, Mingzhong Zhao¹, Fei Sun², Takuro Wada¹, Shota Yamazaki¹, Naoaki Yoshida³, Kazuaki Hanada³, Yasuhisa Oya² (1. Faculty of science, Shizuoka Univ., 2. Graduate School of Science and Technology, Shizuoka Univ., 3. Research Institute for Applied Mechanics, Kyushu Univ.)

5:25 PM - 5:40 PM

[2L20] The influence of defect produced by energetic hydrogen ion or electron irradiation on deuterium retention in tungsten

*Takuro Wada¹, Moeko Nakata¹, Shota Yamazaki¹, Ayaka Koike¹, Mingzhong Zhao¹, Fei Sun², Yuji Hatano³, Yasuhisa Oya² (1. Graduate School of Science and Technology, Shizuoka University, 2. Faculty of Science, Shizuoka University, 3. Hydrogen Isotope Research Center, University of Toyama)

5:40 PM - 5:55 PM

[2L21] Gamma-ray irradiation effects on deuterium retention behavior in reduced activation ferritic steel F82H and tritium permeation barrier ceramic coatings

*Shota Nakazawa¹, Kazuki Nakamura¹, Hikari Fujita², Hans Maier³, Thomas Schwarz-Selinger³, Yuji Hatano⁴, Naoko Ashikawa^5,6, Wataru Inami¹, Yoshimasa Kawata¹, Takumi Chikada¹ (1. Shizuoka Univ., 2. Univ. of Tokyo, 3. Max Planc Institut, 4. Univ. of Toyama, 5. NIFS, 6. SOKENDAI)

5:55 PM - 6:10 PM

[2L22] Deuterium retention behavior for tungsten with 14 MeV neutron and Fe ion irradiation under various damage level

*Shota Yamazaki¹, Moeko Nakata¹, Ayaka Koike¹, Takuro Wada¹, Mingzhong Zhao¹, Fei Sun², Tatsuya Kuwabara³, Yuji Hatano⁴, Takeshi Toyama⁵, Noriyasu Ohno³ (1. Grad. Sch. Sci. Tech., Shizuoka Univ., 2. Fac. Sci., Shizuoka Univ., 3. Grad. Sch. Eng., Nagoya Univ., 4. HIRC, Univ. of Toyama, 5. IMR, Tohoku Univ.)

6:10 PM - 6:25 PM

[2L23] Characterization and hydrogen isotope permeation behavior of yttria-stabilized zirconia coating prepared by magnetron sputtering

*Riho Endoh¹, Keisuke Kimura¹, Kazuki Nakamura¹, Michael Zielinski², Johann Riesch², Hikari Fujita³, Yoshimitsu Hishinuma⁴, Takumi Chikada¹ (1. Shizuoka Univ., 2. Max Planc Institut, 3. Univ. of Tokyo, 4. NIFS)

Time reserved for Chair （6:25 PM - 6:30 PM）

Oral presentation

[3L01-05] Fusion Reactor Materials 1

Fri. Sep 13, 2019 9:30 AM - 10:55 AM Room L (Common Education Bildg. 2F E22)

Chair:Akira Hasegawa(Tohoku Univ.)

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9:30 AM - 9:45 AM

[3L01] Silicon Oxide Precipitation Behavior on Solid Diffusion Bonded Interface in F82H Steel

*Rei Nagakawa¹, Naofumi Nakazato¹, Hirotatsu Kishimoto¹ (1. Muroran Inst. of Tech.)

9:45 AM - 10:00 AM

[3L02] Effects of Applied Stress on surface of F82H Steel in High Temperature/Pressurized Water.

*Taisei Nemoto¹, Naofumi Nakazato¹, Hiroki Mima¹, Motoki Nakajima², Takashi Nozawa², Hiroyasu Tanigawa², Hirotatsu Kishimoto¹ (1. Muroran Inst. of Tech., 2. QST)

10:00 AM - 10:15 AM

[3L03] Temperature dependence on amorphization of M₂₃C₆ under ion irradiation

*Sho Kano¹, Huilong Yang¹, John Patrick McGrady¹, Dai Hamaguchi², Masami Ando², Hiroyasu Tanigawa², Hiroaki Abe¹ (1. Univ. of Tokyo, 2. QST)

10:15 AM - 10:30 AM

[3L04] The effect of coolant temperature on stress corrosion cracking behavior of SUS316L in fusion relevant environments

*Yen-Jui Huang¹, Kiyohiro Yabuuchi¹, Akihiko Kimura¹ (1. Kyoto Univ.)

10:30 AM - 10:45 AM

[3L05] Effects of thickness of miniature specimens on creep properties of F82H steel

*Takuya Nagasaka¹, Jingjie Shen¹, Takeo Muroga¹, Masami Ando², Hideo Sakasegawa², Taichiro Kato², Hiroyasu Tanigawa², Takashi Nozawa² (1. NIFS, 2. QST)

Time reserved for Chair （10:45 AM - 10:55 AM）

Oral presentation

[3L06-09] Fusion Reactor Materials 2

Fri. Sep 13, 2019 10:55 AM - 12:00 PM Room L (Common Education Bildg. 2F E22)

Chair:Sho Kano(Univ. of Tokyo)

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10:55 AM - 11:10 AM

[3L06] Effect of nitrogen impurity and alloy composition on mechanical properties of low-activation vanadium alloy

*Kazuki Saito¹, Takuya Nagasaka^1,2, Makoto Kobayashi^1,2, Jingjie Shen², Gaku Yamazaki¹, Valentyn Tsisar³, Takeo Muroga^1,2 (1. SOKENDAI, 2. NIFS, 3. KIT)

11:10 AM - 11:25 AM

[3L07] Implanted Helium effects on microstructural stability and mechanical properties of powder metallurgy Tungsten

*Akira Hasegawa¹, Takeshi Miyazawa¹, Takaya Hattori¹, Daichi Ito¹, Shuhei Nogami¹ (1. Tohoku Univ)

11:25 AM - 11:40 AM

[3L08] Hydrogen isotope retention behavior depending on damage distribution in neutron - Fe²⁺ implanted W with changed damage distribution

*Moeko Nakata¹, Ayaka Koike¹, Shota Yamazaki¹, Takuro Wada¹, Mingzhong Zhao¹, Fei Sun², Yuji Hatano³, Takeshi Toyama⁴, Naoaki Yoshida⁵, Masashi Shimada⁶ (1. Grad. Sch., Shizuoka Univ., 2. Fac. of Sci., Shizuoka Univ., 3. HIRC, Univ. of Toyama, 4. IMR, Tohoku Univ., 5. RIAM, Kyushu Univ., 6. INL)

11:40 AM - 11:55 AM

[3L09] Densification behavior of tungsten specimens fabricated by selective laser melting using pure-tungsten powder

*Takafumi Yamamoto¹, Yuji Hatano², Masanori Hara² (1. Univ. of Toyama(Toyama Industrial Technology Research and Development Center), 2. Univ. of Toyama)

Time reserved for Chair （11:55 AM - 12:00 PM）

Oral presentation

[3L10-12] Blanket Materials

Fri. Sep 13, 2019 2:45 PM - 3:35 PM Room L (Common Education Bildg. 2F E22)

Chair:Ryuta Kasada(Tohoku Univ.)

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2:45 PM - 3:00 PM

[3L10] Current status of beryllium resources and its use in fusion reactors

Masaru Nakamichi¹, Jae-Hwan Kim¹, Yoshiaki Akatsu¹, *Suguru Nakano², Kazuo Yonehara², Tomohiko Kawakami² (1. QST, 2. KAKEN)

3:00 PM - 3:15 PM

[3L11] Electrochemical analysis on corrosion mechanisms for structural materials in molten FLiNaK salt containing hydrogen fluoride

*Gaku Yamazaki¹, Takuya Nagasaka^1,2, Juro Yagi³, Takuya Goto⁴, Teruya Tanaka^1,2, Takashi Watanabe⁵, Akio Sagara^1,2 (1. SOKENDAI, 2. NIFS, 3. Kyoto Univ., 4. Doshisha Univ., 5. UEC)

3:15 PM - 3:30 PM

[3L12] Study on electrically insulated flow channels of self-cooled liquid metal blanket system under condition of helical reactor FFHR-d1

*Teruya Tanaka¹, Satoshi Ito², Takumi Chikada³, Yukinori Hamaji¹, Takehiko Yokomine⁴, Takeo Muroga¹ (1. NIFS, 2. Tohoku Univ., 3. Shizuoka Univ., 4. Kyoto Univ.)

Time reserved for Chair （3:30 PM - 3:35 PM）

Sessions

VI. Fusion Energy Engineering » 601-2 Fusion Reactor Material Science (Reactor and Blanket Materials, Irradiation Behavior)

[2L10-15] Solid/Liquid Breeding Materials

[2L10] Static electric granulation and sintering for tritium breeding solid-ceramics sphere

Granulation condition of ceramics powder by dry method

[2L11] Effect of Li₂O content on CO₂ absorption characteristics of Li₂TiO₃

[2L12] CO₂ absorption characteristics of high density Li₂ZrO₃ under moist air exposure

[2L13] Compatibility test for tritium permeation barrier coatings with solid breeder pebbles

[2L14] Compatibility between Fusion Reactor Blanket Structural Material F82H and Solid Breeder Lithium Oxide

[2L15] Corrosion behavior of multi-layer coating for tritium permeation reduction in liquid lithium-lead

[2L16-18] Neutron Multiplier/Shielding Materials

[2L16] Valence electron analysis of Be₁₃Zr beryllide neutron multiplier using soft X-ray emission spectrometry.

[2L17] Preliminary investigation of impurities elimination on the reuse process of neutron multipliers for fusion application

[2L18] Improvement of hydrogen release temperature of metal hydride neutron shielding material by Cr addition

[2L19-23] Hydrogen Isotopes in Materials

[2L19] Correlation between hydrogen isotope retention for tungsten exposed to QUEST 2018 A / W plasma discharge campaign and its plasma discharge condition

[2L20] The influence of defect produced by energetic hydrogen ion or electron irradiation on deuterium retention in tungsten

[2L21] Gamma-ray irradiation effects on deuterium retention behavior in reduced activation ferritic steel F82H and tritium permeation barrier ceramic coatings

[2L22] Deuterium retention behavior for tungsten with 14 MeV neutron and Fe ion irradiation under various damage level

[2L23] Characterization and hydrogen isotope permeation behavior of yttria-stabilized zirconia coating prepared by magnetron sputtering

[3L01-05] Fusion Reactor Materials 1

[3L01] Silicon Oxide Precipitation Behavior on Solid Diffusion Bonded Interface in F82H Steel

[3L02] Effects of Applied Stress on surface of F82H Steel in High Temperature/Pressurized Water.

[3L03] Temperature dependence on amorphization of M₂₃C₆ under ion irradiation

[3L04] The effect of coolant temperature on stress corrosion cracking behavior of SUS316L in fusion relevant environments

[3L05] Effects of thickness of miniature specimens on creep properties of F82H steel

[3L06-09] Fusion Reactor Materials 2

[3L06] Effect of nitrogen impurity and alloy composition on mechanical properties of low-activation vanadium alloy

[3L07] Implanted Helium effects on microstructural stability and mechanical properties of powder metallurgy Tungsten

[3L08] Hydrogen isotope retention behavior depending on damage distribution in neutron - Fe²⁺ implanted W with changed damage distribution

[3L09] Densification behavior of tungsten specimens fabricated by selective laser melting using pure-tungsten powder

[3L10-12] Blanket Materials

[3L10] Current status of beryllium resources and its use in fusion reactors

[3L11] Electrochemical analysis on corrosion mechanisms for structural materials in molten FLiNaK salt containing hydrogen fluoride

[3L12] Study on electrically insulated flow channels of self-cooled liquid metal blanket system under condition of helical reactor FFHR-d1

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