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CoSiYamauchi, Hiroki; Sari, D. P.*; Yasui, Yukio*; Sakakura, Terutoshi*; Kimura, Hiroyuki*; Nakao, Akiko*; Ohara, Takashi; Honda, Takashi*; Kodama, Katsuaki; Igawa, Naoki; et al.
Physical Review Research (Internet), 6(1), p.013144_1 - 013144_9, 2024/02
Hirato, Misaki*; Onizawa, Misato*; Baba, Yuji*; Haga, Yoshinori; Fujii, Kentaro*; Wada, Shinichi*; Yokoya, Akinari*
International Journal of Radiation Biology, 99(1), p.82 - 88, 2023/01
Times Cited Count：2 Percentile：19.64(Biology)
C in the solid phaseTakai, Toshihide; Furukawa, Tomohiro; Yamano, Hidemasa
Nuclear Technology, 205(9), p.1164 - 1174, 2019/09
Times Cited Count：11 Percentile：72.57(Nuclear Science & Technology)Kawaguchi, Munemichi; Miyahara, Shinya; Uno, Masayoshi*
Netsu Sokutei, 45(1), p.2 - 8, 2018/01
Liquid sodium (Na) has been used as the coolant of fast reactors for the various merits, such as the high thermal conductivity. On the other hand, it is postulated that a steel liner may fail and lead to a sodium-concrete reaction (SCR) during the Na-leak accident. Because of concrete ablation and release of hydrogen gas due to the chemical reactions between Na and concrete components, the SCR is one of the important phenomena in the Na-leak accident. In the study, fundamental experiments related to the SCR were performed using Na and concrete powder. Here, the used concrete powder is milled siliceous concrete which is usually used as the structural concrete in Japanese nuclear power plants. The obvious temperature changes at 3 temperature regions were observed for the reaction process such as Na-melt, NaOH-SiO
and Na-HO-SiO reaction, which occurred around 100, 300 and 500
C, respectively. Especially, the violent reaction around 500C caused the temperature peak to 
C, and the reaction heat of 
kW/g was estimated under the Na-concrete mixing ratio such as 
. The main components of the reaction products was identified as NaSiO
with X-ray diffraction technique. Moreover, the measured thermophysical properties such as melting point, density, specific heat, thermal conductivity and viscosity were similar to those of 
NaO-
SiO (
).
Lu
B
C(0
x0.31) compoundsTobo, Aya*; Ishimoto, Kenichi*; Konno, Junya*; Oyama, Kenji*; Kaneko, Koji; Yamaguchi, Yasuo*; Onodera, Hideya*
Journal of the Physical Society of Japan, 72(12), p.3231 - 3236, 2003/12
Times Cited Count：1 Percentile：12.75(Physics, Multidisciplinary)no abstracts in English
Wan, C.*; Motohashi, Yoshinobu*; Shibata, Taiju; Baba, Shinichi; Ishihara, Masahiro; Hoshiya, Taiji
Materials Transactions, 43(10), p.2473 - 2479, 2002/10
Times Cited Count：14 Percentile：62.26(Materials Science, Multidisciplinary)no abstracts in English
Wan, C.*; Shibata, Taiju; Baba, Shinichi; Ishihara, Masahiro; Hoshiya, Taiji; Motohashi, Yoshinobu*
Netsu Bussei, 16(2), p.58 - 63, 2002/06
no abstracts in English
Nihira, Takeshi*; Iwata, Tadao*; Iwase, Akihiro
JAERI-Research 2001-045, 33 Pages, 2001/11
JAERI-Research-2001-045.pdf:1.27MB
no abstracts in English
Serizawa, Hiroyuki; Arai, Yasuo
Journal of Alloys and Compounds, 312(1-2), p.257 - 264, 2001/00
Times Cited Count：11 Percentile：57.26(Chemistry, Physical)no abstracts in English
Ishihara, Masahiro; Shibata, Taiju; Baba, Shinichi; Hoshiya, Taiji; Wan, C.*; Motohashi, Yoshinobu*
Proceedings of OECD/NEA 2nd Information Exchange Meeting on Basic Studies in the Field of High-temperature Engineering, p.113 - 124, 2001/00
no abstracts in English
Shimomura, Hiroaki
JAERI-Research 96-034, 73 Pages, 1996/06
JAERI-Research-96-034.pdf:2.47MB
no abstracts in English
Hada, Kazuhiko
JAERI-M 93-029, 99 Pages, 1993/03
no abstracts in English
; ; ; ; ; Sanokawa, Konomo
JAERI-M 85-056, 18 Pages, 1985/05
no abstracts in English
)H(SO); ; ;
Journal of the Physical Society of Japan, 47(3), p.874 - 877, 1979/00
Times Cited Count：40no abstracts in English
