Oral presentation

[2E01-05] Accident Tolerant Fuel

Thu. Sep 12, 2019 9:30 AM - 10:55 AM Room E (Common Education Bildg. 2F A23)

Chair:Masahide Takano(JAEA)

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9:30 AM - 9:45 AM

[2E01] R&D for introducing advanced fuels contributing to safety improvement of current LWRs (3)

(1) Overview of project

*Shinichiro Yamashita¹, Seiichi Watanabe², Nozomu MURAKAMI Murakami³, Hisaki SATO Sato⁴, Takao Kondo Kondo⁵, Takashi Nozawa Nozawa⁶, Kan Sakamoto Sakamoto⁷, Kazuyuki Kusagaya Kusagaya⁸, Shigeharu Ukai Ukai⁹, Akihiko Kimura Kimura¹⁰ (1. Japan Atomic Energy Agency, 2. MNF, 3. MHI, 4. Toshiba ESS, 5. Hitachi-GE, 6. QST, 7. NFD, 8. GNF-J, 9. Hokkaido Univ., 10. Kyoto Univ.)

9:45 AM - 10:00 AM

[2E02] R&D for introducing advanced fuels contributing to safety improvement of current LWRs (3)

(2) FeCrAl-ODS steels for BWR fuel claddings

*Kan Sakamoto¹, Shigeharu Ukai², Akihiko Kimura³, Akifumi Yamaji⁴, Kazuyuki Kusagaya⁵, Shinichiro Yamashita⁶, Tomohiro Kawanishi⁶, Tokio Fukahori⁶ (1. NFD, 2. Hokkaido Univ., 3. Kyoto Univ., 4. Waseda Univ., 5. GNF-J, 6. JAEA)

10:00 AM - 10:15 AM

[2E03] R&D for introducing advanced fuels contributing to safety improvement of current LWRs(3)

(3) SiC composite for BWR

*Masao Owaki¹, Fumiaki Inoue¹, Sato Hisaki¹, Ryo Ishibashi², Takao Kondo², Shinichiro Yamashita³, Tomohiro Kawanishi³, Tokio Fukahori³ (1. Toshiba Energy Systems & Solution, 2. Hitachi GE Nuclear Energy, 3. JAEA)

10:15 AM - 10:30 AM

[2E04] R&D for introducing advanced fuels contributing to safety improvement of current LWRs (3)

(4) SiC composite material for PWR

*Seiichi Watanabe¹, Daiki Sato¹, Kenichiro Furumoto¹, Daisuke Komiyama¹, Nozomu Murakami², Shinichiro Yamashita³, Tomohiro Kawanishi³, Tokio Fukahori³ (1. MNF, 2. MHI, 3. JAEA)

10:30 AM - 10:45 AM

[2E05] R&D for introducing advanced fuels contributing to safety improvement of current LWRs (3)

(5) Common fundamental technology development (round-robin experiment)

*Takashi Nozawa¹, Hisaki Sato², Kenichiro Furumoto³, Ryo Ishibashi⁴, Shinichiro Yamashita⁵, Tomohiro Kawanishi⁵, Tokio Fukahori⁵ (1. QST, 2. TOSHIBA ESS, 3. MNF, 4. HGNE, 5. JAEA)

Time reserved for Chair （10:45 AM - 10:50 AM）

Oral presentation

[2E06-10] SiC Cladding

Thu. Sep 12, 2019 10:55 AM - 12:10 PM Room E (Common Education Bildg. 2F A23)

Chair:Takeshi Sonoda(CRIEPI)

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10:55 AM - 11:05 AM

[2E06] The feasibility study on SiC composite fuel cladding for the Accident Tolerant Fuel to the existing PWR plants

(1) Mechanical property

*Daiki Sato¹, Seiichi Watanabe¹, Furumoto Kenichiro¹, Yamashita Shinichiro², Kawanishi Tomohiro², Fukahori Tokio² (1. Mitsubishi Nuclear Fuel Co., Ltd., 2. Japan Atomic Energy Agency)

11:05 AM - 11:20 AM

[2E07] The feasibility study on SiC composite fuel cladding for the Accident Tolerant Fuel to the existing PWR plants

(2) Corrosion property

*Kenichiro Furumoto¹, Seiichi Watanabe¹, Daiki Sato¹, Akihiro Maeda^3,2, Kunitaka Nagamine^2,3, Nozomu Murakami², Shinichiro Yamashita⁴, Tomohiro Kawanishi³, Tokio Fukahori³ (1. MNF, 2. MHI, 3. NDC, 4. JAEA)

11:20 AM - 11:35 AM

[2E08] The feasibility study on SiC composite fuel cladding for the Accident Tolerant Fuel to the existing PWR plants

(3) High temperature properties simulating DBA and BDBA

*Daisuke Komiyama¹, Seiichi Watanabe¹, Daiki Sato¹, Kenichiro Furumoto¹, Takanori Yumura², Michiaki Okamoto², Nozomu Murakami², Shinichiro Yamashita³, Tomohiro Kawanishi³, Tokio Fukahori³ (1. MNF, 2. MHI, 3. JAEA)

11:35 AM - 11:50 AM

[2E09] R&D for introducing silicon carbide materials to safety improvement of BWR’s core

(4) Hermeticity of simulated end-plug-joint and cladding with corrosion resistant coatings

*Ryo Ishibashi¹, Mitsuko Kida¹, Masatoshi Shibata¹, Takao Kondo¹, Shinichiro Yamashita², Tomohiro Kawasaki², Tokio Fukahori² (1. Hitachi-GE Nuclear Energy, 2. JAEA)

11:50 AM - 12:05 PM

[2E10] R&D for Introducing Silicon Carbide Materials to Safety Improvement of BWR's Core

(5) Influence of Steam Flow Rate on Oxidation of SiC at High Temperatures

*Hai V. Pham¹, Yuji Nagae¹, Masaki Kurata¹, Ryou Ishibashi², Shinichiro Yamashita¹ (1. JAEA, 2. HGNE)

Time reserved for Chair （12:05 PM - 12:10 PM）

Oral presentation

[2E11-18] Stainless Steel Cladding

Thu. Sep 12, 2019 2:45 PM - 4:55 PM Room E (Common Education Bildg. 2F A23)

Chair:Tatsumi Arima(Kyushu Univ.)

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2:45 PM - 3:00 PM

[2E11] R&D of advanced stainless steels for BWR fuel claddings (4)

(1) Applicability of 10x10 fuel core design

*Kazuyuki Kusagaya¹, Sho Takano¹, Daisuke Goto¹, Kan Sakamoto², Shinichiro Yamashita³ (1. GNF-J, 2. NFD, 3. JAEA)

3:00 PM - 3:15 PM

[2E12] R&D of advanced stainless steels for BWR fuel claddings (4)

(2) Mechanical properties of manufactured steels

*Shigeharu Ukai¹, Aghamiri Mohammad¹, Naoko OCN¹, Shigenari Hayashi¹, Naoya Sugawara¹, Naoyuki Hashimoto¹, Kan Sakamoto², Shinichiro Yamashita³ (1. Hokkaido Univ., 2. NFD, 3. JAEA)

3:15 PM - 3:30 PM

[2E13] R&D of advanced stainless steels for BWR fuel claddings (4)

(3) Welding and inspection

*Akihiko Kimura¹, Jin Gao¹, Peng Song¹, Yen-jui Huang¹, Kan Sakamoto², Shinnichiro Yamashita³ (1. Kyoto Univ., 2. NFD, 3. JAEA)

3:30 PM - 3:45 PM

[2E14] R&D of advanced stainless steels for BWR fuel claddings (4)

(4) Enduring for fuel failure under normal condition (2)

*Yusuke Miura¹, Kan Sakamoto¹, Shinichiro Yamashita² (1. NFD, 2. JAEA)

3:45 PM - 4:00 PM

[2E15] R&D of advanced stainless steels for BWR fuel claddings (4)

(5)Investigation of corrosion behavior in nitric acid solution for reprocessing process

*Youko Takahatake¹, Hiromu Ambai¹, Yuichi Sano¹, Masayuki Takeuchi¹, Masayuki Watanabe¹, Kan Sakamoto², Shinichiro Yamashita¹ (1. JAEA, 2. NFD)

4:00 PM - 4:15 PM

[2E16] R&D of advanced stainless steels for BWR fuel claddings (4)

(6) High temperature water corrosion and high temperature steam oxidation properties

*Katsuhito Takahahshi¹, Yusuke Miura¹, Kan Sakamoto¹, Shin-ichiro Yamashita² (1. NFD, 2. JAEA)

4:15 PM - 4:30 PM

[2E17] R&D of advanced stainless steels for BWR fuel claddings (4)

(7) Assessment of cladding integrity under LOCA

*Ikuo Ioka¹, Kan Sakamoto², Shinichiro Yamashita¹ (1. JAEA, 2. NFD)

4:30 PM - 4:45 PM

[2E18] R&D of advanced stainless steels for BWR fuel claddings (4)

(8) Evaluation of irradiation behavior

*Naoyuki Hashimoto¹, Yixiang Tang¹, Kan Sakamoto², Shinichiro Yamashita³ (1. Hokkaido Univ., 2. NFD, 3. JAEA)

Time reserved for Chair （4:45 PM - 4:55 PM）

Oral presentation

[2E19-23] Nitride Fuel Cycle

Thu. Sep 12, 2019 4:55 PM - 6:15 PM Room E (Common Education Bildg. 2F A23)

Chair:Kazuyuki Kusagaya(GNF-J)

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4:55 PM - 5:10 PM

[2E19] R&D on Nitride Fuel Cycle for MA Transmutation to Enhance Safety and Economy

(9) Application of Sol-gel Process and Economical Use of N-15 in the Fuel Fabrication

*Masahide Takano¹ (1. JAEA)

5:10 PM - 5:25 PM

[2E20] R&D on Nitride Fuel Cycle for MA Transmutation to Enhance Safety and Economy

(10) Application of Pore Former for Density Control in Surrogate Fuel Sintering Process

*Seiya Takaki¹, Masahide Takano¹ (1. JAEA)

5:25 PM - 5:40 PM

[2E21] R&D on Nitride Fuel Cycle for MA Transmutation to Enhance Safety and Economy

(11) Solid-liquid Phase Transition Temperature: Dependence on Chemical Composition and N₂ Partial Pressure

*Tatsumi Arima¹, Tohma Iwasa², Seiya Takaki² (1. Kyushu Univ., 2. JAEA)

5:40 PM - 5:55 PM

[2E22] R&D on Nitride Fuel Cycle for MA Transmutation to Enhance Safety and Economy

(12) Chemical dissolution tests of sheared pieces of simulated nitride fuel pins in molten salt

*Takumi Sato¹, Hirokazu Hayashi¹ (1. JAEA)

5:55 PM - 6:10 PM

[2E23] R&D on Nitride Fuel Cycle for MA Transmutation to Enhance Safety and Economy

(13)Reductive Extraction of Zr and Lanthanides in Liquid Cd

*Tsuyoshi Murakami¹, Masatoshi Iizuka¹, Hirokazu Hayashi² (1. CRIEPI, 2. JAEA)

Time reserved for Chair （6:10 PM - 6:15 PM）

Oral presentation

[3E01-02] Fundamental Properties of Fuel Debris Material 1

Fri. Sep 13, 2019 9:30 AM - 10:05 AM Room E (Common Education Bildg. 2F A23)

Chair:TSUYOSHI MURAKAMI(CRIEPI)

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9:30 AM - 9:45 AM

[3E01] Leaching tests of BWR and PWR spent fuel

*Takeshi Sonoda¹, Kenta Inagaki¹, Daniel Serrano-Purroy², Vincenzo Rondinella² (1. CRIEPI, 2. JRC-Karlsruhe)

9:45 AM - 10:00 AM

[3E02] Thermal and mechanical properties of U-Fe binary intermetallic compounds

*Daisuke okada¹, Yuji Ohishi¹, Hiroaki Muta¹, Ken Kurosaki^1,2,3 (1. Osaka Univ., 2. Univ. of Fukui, 3. Kyoto Univ.)

Time reserved for Chair （10:00 AM - 10:05 AM）

Oral presentation

[3E03-09] Fundamental Properties of Fuel Debris Material 2

Fri. Sep 13, 2019 10:05 AM - 12:00 PM Room E (Common Education Bildg. 2F A23)

Chair:Akihiro Suzuki(NFD)

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10:05 AM - 10:20 AM

[3E03] Research and human resource development for analysis of fuel debris and decommissioning technology of Fukushima Daiichi nuclear power plants

(14)Outline of the research and achievement of study on fuel debris analysis

*Masayoshi UNO¹, Yoshinari Anoda¹, Yuji Ohishi², Osamu Kuwaduru¹, Akihiro Ishimi³, Yuji Arita¹, Tatumi Arima⁴ (1. Univeisity of Fukui, 2. Osaka Univ., 3. JAEA, 4. Kyushu Univ.)

10:20 AM - 10:35 AM

[3E04] Research and human resource development for analysis of fuel debris and decommissioning technology of Fukushima Daiichi nuclear power plants

(15)Basic physical property evaluation of UO₂-CaO solid solution

*Yu Oi¹, Yuji Ohishi¹, Hiroaki Muta¹ (1. Osaka Univ.)

10:35 AM - 10:50 AM

[3E05] Research and human resource development for analysis of fuel debris and decommissioning technology of Fukushima Daiichi nuclear power plants

(16)Mechanical properties of B₂O₃-UO₂/Al₂O₃-ZrO₂/SUS316L eutectic composites

*Shintaro Yoshida¹, Takashi Onitsuka¹, Masayoshi Uno¹ (1. UNIVERSITY OF FUKUI)

10:50 AM - 11:05 AM

[3E06] Research and human resource development for analysis of fuel debris and decommissioning technology of Fukushima Daiichi nuclear power plants

(17)Evaluation of compressive strength of simulated fuel debris by damage mechanics analysis

*Masaki Teranishi Teranshi¹, Osamu Kuwazuru¹ (1. University of Fukui)

11:05 AM - 11:20 AM

[3E07] Research and human resource development for analysis of fuel debris and decommissioning technology of Fukushima Daiichi nuclear power plants

(18)Evaluation of void ratio for simulated fuel debris

*ISHIMI AKIHIRO¹, KATSUYAMA KOZO¹, Uno Masayoshi² (1. Japan Atomic Energy Agency, 2. FUKUI Univ.)

11:20 AM - 11:35 AM

[3E08] Research and human resource development for analysis of fuel debris and decommissioning technology of Fukushima Daiichi nuclear power plants

(19)Release behavior of Ruthenium Oxide.

*Taishi Inoue¹, Yuji Arita¹ (1. University of Fukui)

11:35 AM - 11:50 AM

[3E09] Research and human resource development for analysis of fuel debris and decommissioning technology of Fukushima Daiichi nuclear power plants

(20)melting behaviors of UO₂(or CeO₂)-ZrO₂-FeO_1+xmixtures were evaluated.

*Kunihiro Yamato¹, Tatsumi Arima¹ (1. Kyushu Univ.)

Time reserved for Chair （11:50 AM - 12:00 PM）

Oral presentation

[3E10-15] Properties of Actual Fuel Debris

Fri. Sep 13, 2019 2:45 PM - 4:25 PM Room E (Common Education Bildg. 2F A23)

Chair:Masayoshi Uno(Univ. of Fukui)

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2:45 PM - 3:00 PM

[3E10] Analysisi of saamples collected in PCV interior of Fukushima Daiichi NPP

(1)An aiming to obtain analytical information for fuel debris properities

*Tomozo Koyama¹, Hideki Yoshikawa¹, Hiroyasu Hirano², Kimihiko Yano², Takeshi Mitsugi², tadahiro washiya² (1. IRID, 2. JAEA)

3:00 PM - 3:15 PM

[3E11] Analysis of samples collected in PCV interior of Fukushima Daiichi NPP

(2)Basic framework and application of the sample analysis

*Shinya Mizokami¹, Masato Mizokami¹, Kenichi Ito¹, Ikken Sato^2,3, Masaki Kurata^2,3 (1. TEPCO Holdings, 2. JAEA, 3. IRID)

3:15 PM - 3:30 PM

[3E12] Analysis of samples collected in PCV interior of Fukushima Daiichi NPP

(3)Nuclide analysis of samples collected in PCV interior

*Shinji Sasaki^1,2, Koji Maeda^1,2, Kazuki Morishita^1,2, Takashi Ohnishi^1,2, Ikken Sato^1,2, Masato Mizokami³, Shinya Mizokami³ (1. JAEA, 2. IRID, 3. TEPCO HD)

3:30 PM - 3:45 PM

[3E13] Analysis of samples collected in PCV interior of Fukushima Daiichi NPP

(4)Detailed observation on uranium-containing particles

*Akihiro Suzuki¹, Ikken Sato^2,3, Masato Mizokami^3,4, Kenichi Ito^3,4, Shinya Mizokami^3,4 (1. NFD, 2. JAEA, 3. IRID, 4. TEPCO HD)

3:45 PM - 4:00 PM

[3E14] Analysis of samples collected in PCV interior of Fukushima Daiichi NPP

(5)Consideration of generation mechanisms of uranium-containing particles

*Masato Mizokami^1,4, Akihiro Suzuki², Ikken Sato^3,4, Masaki Kurata^3,4, Kenichi Ito^1,4, Shinya Mizokami^1,4 (1. TEPCO HD, 2. NFD, 3. JAEA, 4. IRID)

4:00 PM - 4:15 PM

[3E15] Analysis of samples collected in PCV interior of Fukushima Daiichi NPP

(6)Use of analysis results of collected samples toward fuel debris retrieval

Masaki Kurata¹, *Hiroshi Madokoro¹, Keisuke Okumura¹, Ikken Sato¹, Masato Mizokami², Kenichi Ito², Shinya Mizokami² (1. JAEA, 2. TEPCO HD)

Time reserved for Chair （4:15 PM - 4:25 PM）

Oral presentation

[1I14-18] Fuel & FP Behavior in Accident

Wed. Sep 11, 2019 4:25 PM - 5:45 PM Room I (Common Education Bildg. 2F D21)

Chair:Kyoichi Morimoto(JAEA)

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4:25 PM - 4:40 PM

[1I14] A study on the chemical reaction between fuel materials and graphite block

(1)Thermodynamic equilibrium calculations

Shigetaka Maeda¹, Isamu Sato², *Masaya Yamamoto¹, Hiroyuki Naito¹, Koji Maeda¹ (1. JAEA, 2. Tokyo City Univ.)

4:40 PM - 4:55 PM

[1I15] A study on the chemical reaction between fuel materials and graphite block

(2)Differential scanning calorimetry of the uranium dioxide and graphite

*Hiroyuki Naito¹, Masaya Yamamoto¹, Shigetaka maeda¹, Shigeru Kurematsu², Isamu Sato³, Koji Maeda¹ (1. JAEA, 2. NDC, 3. Tokyo City Univ.)

4:55 PM - 5:10 PM

[1I16] Behavior characterization of volatile fission products in meltdown nuclear fuels by a method in consideration of surface and interface effects

Wettability of liquid caesium iodine on the polycrystalline oxide solid surfaces

*Hiroto Ishii¹, Yuji Ohishi¹, Hiroaki Muta¹, Masayoshi Uno², Ken Kurosaki^1,2,3 (1. Osaka University, 2. Research Institute of Nuclear Engineering, University of Fukui, 3. Institute for Integrated Radiation and Nuclear Science, Kyoto University)

5:10 PM - 5:25 PM

[1I17] New synthesis method of simulated fuel containing high volatile Cs compounds

*Jiazhan LIU¹, Shuhei MIWA¹, Kunihisa NAKAJIMA¹, Masahiko OSAKA¹ (1. JAEA)

5:25 PM - 5:40 PM

[1I18] Environment inside Unit 2 at the time of the Fukushima nuclear accident inferred from radiocesium-bearing microparticles

*Taiga Okumura¹, Noriko Yamaguchi², Hiroki Suga¹, Yoshio Takahashi¹, Toshihiro Kogure¹ (1. UTokyo, 2. NARO)

Time reserved for Chair （5:40 PM - 5:45 PM）

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 501-2 Nuclear Fuel and the Irradiation Behavior

[2E01-05] Accident Tolerant Fuel

(1) Overview of project

(2) FeCrAl-ODS steels for BWR fuel claddings

(3) SiC composite for BWR

(4) SiC composite material for PWR

(5) Common fundamental technology development (round-robin experiment)

[2E06-10] SiC Cladding

(1) Mechanical property

(2) Corrosion property

(3) High temperature properties simulating DBA and BDBA

(4) Hermeticity of simulated end-plug-joint and cladding with corrosion resistant coatings

(5) Influence of Steam Flow Rate on Oxidation of SiC at High Temperatures

[2E11-18] Stainless Steel Cladding

(1) Applicability of 10x10 fuel core design

(2) Mechanical properties of manufactured steels

(3) Welding and inspection

(4) Enduring for fuel failure under normal condition (2)

(5)Investigation of corrosion behavior in nitric acid solution for reprocessing process

(6) High temperature water corrosion and high temperature steam oxidation properties

(7) Assessment of cladding integrity under LOCA

(8) Evaluation of irradiation behavior

[2E19-23] Nitride Fuel Cycle

(9) Application of Sol-gel Process and Economical Use of N-15 in the Fuel Fabrication

(10) Application of Pore Former for Density Control in Surrogate Fuel Sintering Process

(11) Solid-liquid Phase Transition Temperature: Dependence on Chemical Composition and N2 Partial Pressure

(12) Chemical dissolution tests of sheared pieces of simulated nitride fuel pins in molten salt

(13)Reductive Extraction of Zr and Lanthanides in Liquid Cd

[3E01-02] Fundamental Properties of Fuel Debris Material 1

[3E03-09] Fundamental Properties of Fuel Debris Material 2

(14)Outline of the research and achievement of study on fuel debris analysis

(15)Basic physical property evaluation of UO2-CaO solid solution

(16)Mechanical properties of B2O3-UO2/Al2O3-ZrO2/SUS316L eutectic composites

(17)Evaluation of compressive strength of simulated fuel debris by damage mechanics analysis

(18)Evaluation of void ratio for simulated fuel debris

(19)Release behavior of Ruthenium Oxide.

(20)melting behaviors of UO2(or CeO2)-ZrO2-FeO1+x mixtures were evaluated.

[3E10-15] Properties of Actual Fuel Debris

(1)An aiming to obtain analytical information for fuel debris properities

(2)Basic framework and application of the sample analysis

(3)Nuclide analysis of samples collected in PCV interior

(4)Detailed observation on uranium-containing particles

(5)Consideration of generation mechanisms of uranium-containing particles

(6)Use of analysis results of collected samples toward fuel debris retrieval

[1I14-18] Fuel & FP Behavior in Accident

(1)Thermodynamic equilibrium calculations

(2)Differential scanning calorimetry of the uranium dioxide and graphite

Wettability of liquid caesium iodine on the polycrystalline oxide solid surfaces

Authentication

(11) Solid-liquid Phase Transition Temperature: Dependence on Chemical Composition and N₂ Partial Pressure

(15)Basic physical property evaluation of UO₂-CaO solid solution

(16)Mechanical properties of B₂O₃-UO₂/Al₂O₃-ZrO₂/SUS316L eutectic composites

(20)melting behaviors of UO₂(or CeO₂)-ZrO₂-FeO_1+xmixtures were evaluated.