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Research Output 1989 2019

2019

Effect of Carbonate on the Migration Behavior of Strontium in Compacted Bentonite

Idemitsu, K., Yamada, R., Hirakawa, M., Kakoi, Y., Arimitsu, H., Inagaki, Y. & Arima, T., Jan 1 2019, In : MRS Advances. 4, 17-18, p. 1021-1027 7 p.

Research output: Contribution to journalArticle

Bentonite
bentonite
Strontium
Carbonates
strontium
2018
1 Citation (Scopus)

Effect of Carbonate on the Migration Behavior of Lanthanides in Compacted Bentonite

Idemitsu, K., Fujii, K., Maeda, N., Kakoi, Y., Okubo, N., Inagaki, Y. & Arima, T., Jan 1 2018, In : MRS Advances. 3, 21, p. 1155-1160 6 p.

Research output: Contribution to journalArticle

Bentonite
Lanthanoid Series Elements
bentonite
Carbonates
Rare earth elements
2 Citations (Scopus)

Vitrification processes of simulated cesium sorbing zeolite waste

Kimura, R., Inagaki, Y., Idemitsu, K. & Arima, T., Sep 1 2018, In : Progress in Nuclear Energy. 108, p. 497-502 6 p.

Research output: Contribution to journalArticle

vitrification
Vitrification
cesium
Cesium
zeolite
2017
1 Citation (Scopus)

Plutonium Migration in Compacted Bentonite with Iron Corrosion for 15 Years

Idemitsu, K., Okubo, N., Inagaki, Y., Arima, T., Akiyama, D., Konashi, K. & Watanabe, M., Jan 1 2017, In : MRS Advances. 2, 12, p. 693-698 6 p.

Research output: Contribution to journalArticle

Plutonium
Bentonite
bentonite
plutonium
corrosion

Stability of montmorillonite edge faces studied using firstprinciples calculations

Sakuma, H., Tachi, Y., Yotsuji, K., Suehara, S., Arima, T., Fujii, N., Kawamura, K. & Honda, A., Aug 1 2017, In : Clays and Clay Minerals. 65, 4, p. 252-272 21 p.

Research output: Contribution to journalArticle

Bentonite
montmorillonite
Interfacial energy
surface energy
energy
2016
5 Citations (Scopus)

Diffusion and adsorption of uranyl ion in clays: Molecular dynamics study

Arima, T., Idemitsu, K., Inagaki, Y., Kawamura, K., Tachi, Y. & Yotsuji, K., Sep 1 2016, In : Progress in Nuclear Energy. 92, p. 286-297 12 p.

Research output: Contribution to journalArticle

Molecular dynamics
Clay
adsorption
Adsorption
clay
8 Citations (Scopus)

Diffusion behavior of selenite in purified bentonite

Idemitsu, K., Kozaki, H., Yuhara, M., Arima, T. & Inagaki, Y., Sep 1 2016, In : Progress in Nuclear Energy. 92, p. 279-285 7 p.

Research output: Contribution to journalArticle

selenite
Bentonite
bentonite
anion
Negative ions

Effect of pH on Plutonium Migration Behavior in Compacted Bentonite

Hamada, R., Maeda, N., Idemitsu, K., Inagaki, Y., Arima, T., Akiyama, D., Konashi, K., Watanabe, M. & Koyama, S. I., Jan 1 2016, In : MRS Advances. 1, 61, p. 4011-4017 7 p.

Research output: Contribution to journalArticle

Plutonium
Bentonite
bentonite
plutonium
Water
1 Citation (Scopus)

Simmer/partisn analyses of EBR-II shutdown heat removal tests

Vezzoni, B., Marchetti, M., Andriolo, L., Gabrielli, F., Chen, X. N., Matzerath Boccaccini, C., Rineiski, A., Maschek, W., Morita, K. & Arima, T., Jan 1 2016, Physics of Reactors 2016, PHYSOR 2016: Unifying Theory and Experiments in the 21st Century. American Nuclear Society, Vol. 6. p. 3973-3982 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

shutdowns
heat
breeder reactors
Breeder reactors
research projects
2015

Computer simulation of fluorite-based oxides for nuclear applications

Arima, T., Apr 1 2015, New Research Trends of Fluorite-Based Oxide Materials: From Basic Chemistry and Materials Science to Engineering Applications. Nova Science Publishers, Inc., p. 211-242 32 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Fluorspar
Oxides
Molecular dynamics
Computer simulation
Actinoid Series Elements

Molecular dynamics calculations of heat conduction in actinide oxides under thermal gradient

Matsumoto, T., Arima, T., Inagaki, Y., Idemitsu, K., Kato, M. & Uchida, T., Jul 6 2015, In : Progress in Nuclear Energy. 85, p. 271-276 6 p.

Research output: Contribution to journalArticle

actinide
Actinides
Heat conduction
Thermal gradients
Molecular dynamics

Oxygen potential measurement of (Pu 0.928Am0.072)O 2-x at high temperatures

Matsumoto, T., Arima, T., Inagaki, Y., Idemitsu, K., Kato, M., Morimoto, K. & Sunaoshi, T., Oct 3 2015, In : journal of nuclear science and technology. 52, 10, p. 1296-1302 7 p.

Research output: Contribution to journalArticle

Oxygen
oxygen
equilibrium methods
Temperature
Point defects
1 Citation (Scopus)

Oxygen potential of a prototypic Mo-cermet fuel containing plutonium oxide

Miwa, S., Osaka, M., Nozaki, T., Arima, T. & Idemitsu, K., Oct 1 2015, In : Journal of Nuclear Materials. 465, p. 840-842 3 p.

Research output: Contribution to journalArticle

Cermet Cements
plutonium oxides
Plutonium
Oxides
Oxygen
4 Citations (Scopus)

Thermal conductivity measurement of (Pu1-xAmx)O2 (x = 0.028, 0.072)

Matsumoto, T., Arima, T., Inagaki, Y., Idemitsu, K., Kato, M., Morimoto, K. & Ogasawara, M., Apr 25 2015, In : Journal of Alloys and Compounds. 629, p. 92-97 6 p.

Research output: Contribution to journalArticle

Thermal conductivity
Thermal diffusivity
Phonon scattering
Specific heat
Temperature
2014

Crystallographic comparison of zirconium and molybdenum dioxide-based pyrochlores

Kasano, T., Arima, T., Idemitsu, K. & Inagaki, Y., Jan 1 2014, In : Progress in Nuclear Energy. 72, p. 134-139 6 p.

Research output: Contribution to journalArticle

pyrochlore
Fluorspar
molybdenum
Zirconium
Molybdenum

Migration behavior of plutonium affected by ferrous ion in compacted bentonite by using electrochemical technique

Akiyama, D., Idemitsu, K., Inagaki, Y., Arima, T., Konashi, K. & Koyama, S., Jan 1 2014, Scientific Basis for Nuclear Waste Management XXXVII. Duro, L., Casas, I., de Pablo, J. & Gimenez, J. (eds.). Materials Research Society, p. 79-84 6 p. (Materials Research Society Symposium Proceedings; vol. 1665).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Plutonium
Bentonite
bentonite
plutonium
Ions

Migration behavior of plutonium affected by ferrous ion in compacted bentonite by using electrochemical technique

Akiyama, D., Idemitsu, K., Inagaki, Y., Arima, T., Konashi, K. & Koyama, S., Nov 6 2014, In : Journal of Fluid Mechanics. 1665

Research output: Contribution to journalArticle

bentonite
Bentonite
plutonium
Plutonium
Ions
1 Citation (Scopus)

Migration behavior of selenium in the presence of iron in bentonite

Idemitsu, K., Kozaki, H., Akiyama, D., Kishimoto, M., Yuhara, M., Maeda, N., Inagaki, Y. & Arima, T., Jan 1 2014, Scientific Basis for Nuclear Waste Management XXXVII. Duro, L., Casas, I., de Pablo, J. & Gimenez, J. (eds.). Materials Research Society, p. 157-163 7 p. (Materials Research Society Symposium Proceedings; vol. 1665).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bentonite
bentonite
Selenium
selenium
Iron

Migration behavior of selenium in the presence of iron in Bentonite

Idemitsu, K., Kozaki, H., Akiyama, D., Kishimoto, M., Yuhara, M., Maeda, N., Inagaki, Y. & Arima, T., Nov 6 2014, In : Journal of Fluid Mechanics. 1665

Research output: Contribution to journalArticle

bentonite
Bentonite
Selenium
selenium
Iron
9 Citations (Scopus)

Thermal conductivities of ThO2, NpO2 and their related oxides: Molecular dynamics study

Arima, T., Yoshida, K., Matsumoto, T., Inagaki, Y. & Idemitsu, K., Feb 1 2014, In : Journal of Nuclear Materials. 445, 1-3, p. 175-180 6 p.

Research output: Contribution to journalArticle

Oxides
Molecular dynamics
Thermal conductivity
thermal conductivity
molecular dynamics
2013
dynamic models
Molecular dynamics
Dynamic models
molecular dynamics
Materials properties
29 Citations (Scopus)
Microchannels
Dissolution
Glass
Temperature
Radioactive Waste
4 Citations (Scopus)

Investigation of O/M ratio effect on thermal conductivity of oxide nuclear fuels by non-equilibrium molecular dynamics calculation

Matsumoto, T., Arima, T., Inagaki, Y., Idemitsu, K., Kato, M. & Uchida, T., 2013, In : Journal of Nuclear Materials. 440, 1-3, p. 580-585 6 p.

Research output: Contribution to journalArticle

nuclear fuels
Nuclear fuels
Oxides
Molecular dynamics
Thermal conductivity
2 Citations (Scopus)

Migration of iodine solidified in ettrincite into compacted bentonite

Idemitsu, K., Matsuki, Y., Kishimoto, M., Inagaki, Y., Arima, T., Haruguchi, Y., Yamashita, Y. & Sasoh, M., Oct 1 2013, Advances in Materials Science for Environmental and Energy Technologies II. p. 23-34 12 p. (Ceramic Transactions; vol. 241).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bentonite
Iodine
Iodates
Waste disposal
Ions
1 Citation (Scopus)

Oxygen diffusion in niobia-doped zirconia as surrogate for oxide film on Zr-Nb alloy: AC impedance analysis

Yamana, T., Arima, T., Yoshihara, T., Inagaki, Y. & Idemitsu, K., Oct 29 2013, In : Journal of Nuclear Materials. 443, 1-3, p. 608-613 6 p.

Research output: Contribution to journalArticle

zirconium oxides
Zirconia
Oxide films
oxide films
alternating current
2012
12 Citations (Scopus)
channel flow
Channel flow
dissolving
Dissolution
Glass

Measurement of surface melting temperature with high-speed pyrometers by containerless method

Arima, T., Kawauchi, Y., Matsumoto, T., Inagaki, Y., Idemitsu, K., Sato, I. & Hirosawa, T., 2012, 2012 Proceedings of SICE Annual Conference, SICE 2012. p. 32-34 3 p. 6318401

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pyrometers
Melting point
Actinides
Solidification
Glass

Migration behaviour of lanthanides in compacted bentonite with iron corrosion product using electrochemical method

Idemitsu, K., Akiyama, D., Matsuki, Y., Irie, Y., Inagaki, Y. & Arima, T., Dec 1 2012, Scientific Basis for Nuclear Waste Management XXXV. p. 611-616 6 p. (Materials Research Society Symposium Proceedings; vol. 1475).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bentonite
Lanthanoid Series Elements
bentonite
Rare earth elements
carbon steels
2011
8 Citations (Scopus)

Oxygen potential of hypo-stoichiometric La-doped UO2

Yoshida, K., Arima, T., Inagaki, Y., Idemitsu, K., Osaka, M. & Miwa, S., Nov 1 2011, In : Journal of Nuclear Materials. 418, 1-3, p. 22-26 5 p.

Research output: Contribution to journalArticle

uranium oxides
Lanthanoid Series Elements
Oxygen
Rare earth elements
Uranium
6 Citations (Scopus)

Synthesis of zirconia sphere particles based on gelation of sodium alginate

Nozaki, T., Arima, T., Idemitsu, K. & Inagaki, Y., May 1 2011, In : Journal of Nuclear Materials. 412, 1, p. 184-189 6 p.

Research output: Contribution to journalArticle

Sodium alginate
gelation
Gelation
zirconium oxides
Zirconia
2010

Detailed analyses of specific phenomena in core disruptive accidents of sodium-cooled fast reactors by the compass code

Morita, K., Zhang, S., Arima, T., Koshizuka, S., Tobita, Y., Yamano, H., Ito, T., Shirakawa, N., Inoue, F., Yugo, H., Naitoh, M., Okada, H., Yamamoto, Y., Himi, M., Hirano, E., Shimizu, S. & Oue, M., Dec 1 2010, 18th International Conference on Nuclear Engineering, ICONE18. PARTS A AND B ed. p. 855-863 9 p. (International Conference on Nuclear Engineering, Proceedings, ICONE; vol. 4, no. PARTS A AND B).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Core disruptive accidents
Fast reactors
Molten materials
Sodium
Freezing

Migration behavior of alkali earth ions in compacted bentonite with iron corrosion product using electrochemical method

Idemitsu, K., Akiyama, D., Eto, A., Matsuki, Y., Inagaki, Y. & Arima, T., 2010, Scientific Basis for Nuclear Waste Management XXXIV. Vol. 1265. p. 227-232 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bentonite
bentonite
Alkalies
alkalies
corrosion
10 Citations (Scopus)

Thermal conductivity of non-stoichiometric americium oxide: A molecular dynamics study

Uchida, T., Arima, T., Idemitsu, K. & Inagaki, Y., May 1 2010, In : Journal of Nuclear Materials. 400, 1, p. 3-7 5 p.

Research output: Contribution to journalArticle

Americium
americium
Molecular dynamics
Thermal conductivity
thermal conductivity
2009
35 Citations (Scopus)

Evaluation of melting point of UO2 by molecular dynamics simulation

Arima, T., Idemitsu, K., Inagaki, Y., Tsujita, Y., Kinoshita, M. & Yakub, E., May 15 2009, In : Journal of Nuclear Materials. 389, 1, p. 149-154 6 p.

Research output: Contribution to journalArticle

melting points
Melting point
Molecular dynamics
molecular dynamics
evaluation
2 Citations (Scopus)

Measurement of HLW glass dissolution/alteration kinetics by using micro-reactor flow-through test method

Inagaki, Y., Mitsui, S., Makigaki, H., Idemitsu, K., Arima, T., Banba, T. & Noshita, K., Dec 1 2009, Scientific Basis for Nuclear Waste Management XXXIII. p. 219-228 10 p. (Materials Research Society Symposium Proceedings; vol. 1193).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

dissolving
Dissolution
reactors
Glass
Kinetics
2 Citations (Scopus)

Measurement of initial dissolution rate of P0798 simulated HLW glass by using micro-reactor flow-through test method

Makigaki, H., Inagaki, Y., Idemitsu, K., Arima, T., Mitsui, S., Banba, T. & Noshita, K., Dec 1 2009, Scientific Basis for Nuclear Waste Management XXXIII. p. 307-314 8 p. (Materials Research Society Symposium Proceedings; vol. 1193).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

dissolving
Dissolution
reactors
Glass
glass
2 Citations (Scopus)

Migration behavior of plutonium in compacted bentonite under reducing conditions controlled with potentiostat

Idemitsu, K., Ikeuchi, H., Nessa, S. A., Inagaki, Y., Arima, T., Yamazaki, S., Toshiaki, M., Hara, M. & Suzuki, Y., 2009, In : Unknown Journal. 1124, p. 283-288 6 p.

Research output: Contribution to journalArticle

Plutonium
Bentonite
bentonite
plutonium
Iron

Migration behavior of potassium and rubidium in compacted bentonite under reducing condition with iron corrosion product

Idemitsu, K., Ikeuchi, H., Akiyama, D., Inagaki, Y. & Arima, T., 2009, Scientific Basis for Nuclear Waste Management XXXIII. Vol. 1193. p. 453-460 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rubidium
Bentonite
bentonite
rubidium
Potassium
2 Citations (Scopus)

Next generation safety analysis methods for SFRs (7) potential model for classical molecular dynamics on Pu-Fe system

Ito, T., Arima, T. & Himi, M., Dec 1 2009, Proceedings of the 17th International Conference on Nuclear Engineering 2009, ICONE17. p. 525-533 9 p. (International Conference on Nuclear Engineering, Proceedings, ICONE; vol. 5).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Molecular dynamics
Core disruptive accidents
Atoms
Fast reactors
Contacts (fluid mechanics)
3 Citations (Scopus)

Next generation safety analysis methods for SFRs (8) analyses of eutectics between fuel and steel in metal fuel with FPMD code VASP

Himi, M., Yamamoto, Y., Nagamine, Y., Shirakawa, N., Uehara, Y. & Arima, T., Dec 1 2009, Proceedings of the 17th International Conference on Nuclear Engineering 2009, ICONE17. p. 495-504 10 p. (International Conference on Nuclear Engineering, Proceedings, ICONE; vol. 5).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metal fuels
Fast reactors
Eutectics
Molecular dynamics
Sodium
22 Citations (Scopus)

Oxidation properties of Zr-Nb alloys at 973-1273 K in air

Arima, T., Miyata, K., Idemitsu, K. & Inagaki, Y., Mar 1 2009, In : Progress in Nuclear Energy. 51, 2, p. 307-312 6 p.

Research output: Contribution to journalArticle

oxidation
Oxidation
air
Air
Loss of coolant accidents
11 Citations (Scopus)

Thermal conductivities of americium dioxide and sesquioxide by molecular dynamics simulations

Uchida, T., Arima, T., Idemitsu, K. & Inagaki, Y., Apr 1 2009, In : Computational Materials Science. 45, 2, p. 229-234 6 p.

Research output: Contribution to journalArticle

Americium
americium
Thermal Conductivity
dioxides
Molecular Dynamics Simulation
2008
7 Citations (Scopus)

Aqueous dissolution of silver iodide and associated iodine release under reducing conditions with FeCl2 Solution

Inagaki, Y., Imamura, T., Idemitsu, K., Arima, T., Kato, O., Nishimura, T. & Asano, H., Jan 1 2008, In : journal of nuclear science and technology. 45, 9, p. 859-866 8 p.

Research output: Contribution to journalArticle

silver iodides
Iodine
iodine
dissolving
Dissolution

Building an application-specific grid computing environment using itbl for nuclear material engineering

Tsujita, Y., Arima, T., Idemitsu, K., Suzuki, Y. & Kimura, H., 2008, 2008 Proceedings of the 16th International Conference on Nuclear Engineering, ICONE16. Vol. 2. p. 55-63 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Grid computing
Nuclear fuels
Visualization
Application programs
Interfaces (computer)
16 Citations (Scopus)
plutonium oxides
uranium oxides
Plutonium
Uranium
Heat conduction

Evaluation of mechanical properties of stabilized zirconia and zirconate pyrochlore

Matsuo, T., Shimamura, K., Arima, T., Idemitsu, K. & Inagaki, Y., Dec 1 2008, Materials Innovations for Next-Generation Nuclear Energy. p. 196-214 19 p. (Materials Research Society Symposium Proceedings; vol. 1043).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

zirconium oxides
Zirconia
Lanthanoid Series Elements
modulus of elasticity
Elastic moduli
6 Citations (Scopus)

Migration behaviour of ferrous ion in compacted bentonite under reducing conditions controlled with potentiostat

Idemitsu, K., Nessa, S. A., Yamazaki, S., Ikeuchi, H., Inagaki, Y. & Arima, T., 2008, Materials Research Society Symposium Proceedings - Scientific Basis for Nuclear Waste Management XXXI. Vol. 1107. p. 501-508 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bentonite
bentonite
Iron
Ions
iron

Oxidation behavior of Zr-Nb alloys at 973-1273 K in air

Arima, T., Miyata, K., Idemitsu, K. & Inagaki, Y., Dec 1 2008, Materials Innovations for Next-Generation Nuclear Energy. p. 164-178 15 p. (Materials Research Society Symposium Proceedings; vol. 1043).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oxides
Oxidation
oxidation
oxides
air
3 Citations (Scopus)

R & D of the next generation safety analysis methods for fast reactors with new computational science and technology (6) study of eutectic reaction between metals: FPMD approach

Himi, M., Kozakai, H., Yamamoto, Y., Hosoda, S., Shirakawa, N. & Arima, T., Dec 1 2008, 2008 Proceedings of the 16th International Conference on Nuclear Engineering, ICONE16. Vol. 2. p. 351-358 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metal fuels
Fast reactors
Eutectics
Core disruptive accidents
Mixed oxide fuels
2007

Application of sol-gel processing to synthesis of Ni-YSZ cermet membrane

Arima, T., Ohga, E., Shiragaki, T., Idemitsu, K. & Inagaki, Y., Sep 2007, In : Memoirs of the Faculty of Engineering, Kyushu University. 67, 3, p. 95-103 9 p.

Research output: Contribution to journalArticle

Cermet Cements
Sol-gels
Gels
gel
membrane