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Journal Articles

Phase-separation transformation behaviors in NiO bearing Na $_{2}$ O-B $_{2}$ O $_{3}$ -SiO $_{2}$ glass and melt through high-temperature Ni K-edge XAFS and time-resolved SAXS measurements

Tomita, Kana*; Kishi, Tetsuo*; Osaka, Keiichi*; Matsumura, Daiju; Yano, Tetsuji*

Journal of Non-Crystalline Solids, 634, p.122975_1 - 122975_19, 2024/06

https://doi.org/10.1016/j.jnoncrysol.2024.122975

Times Cited Count：0 Percentile：13.03(Materials Science, Ceramics)

Journal Articles

Laser heating induced spatial homogenization of phase separated Na $_{2}$ O-B $_{2}$ O $_{3}$ -SiO $_{2}$ glass plate with bearing NiO for heat center and structural probe

Tomita, Kana*; Kishi, Tetsuo*; Matsumura, Daiju; Yano, Tetsuji*

Journal of Non-Crystalline Solids, 597, p.121891_1 - 121891_10, 2022/12

https://doi.org/10.1016/j.jnoncrysol.2022.121891

Times Cited Count：2 Percentile：15.59(Materials Science, Ceramics)

Journal Articles

Structural significance of nickel sites in aluminosilicate glasses

Kado, Rikiya*; Kishi, Tetsuo*; Lelong, G.*; Galoisy, L.*; Matsumura, Daiju; Calas, G.*; Yano, Tetsuji*

Journal of Non-Crystalline Solids, 539, p.120070_1 - 120070_8, 2020/07

https://doi.org/10.1016/j.jnoncrysol.2020.120070

Times Cited Count：6 Percentile：22.70(Materials Science, Ceramics)

JAEA Reports

Studies on the design method of multi tunnels in geological disposal facility, 4

Hayashi, Katsuhiko; Kishi, Hirokazu; Kabayashi, Yasushi*; Takebe, Atsuji*; Fujiyama, Tetsuo*; Hiramoto, Masayuki*; Mizutani, Kazuhiko*; Morita, Atsushi*

JAEA-Research 2010-059, 92 Pages, 2011/03

JAEA-Research-2010-059.pdf:3.71MB

In this study, the first investigation is the order of the multi-tunnels excavation. The second is the strain-softening model for multi-tunnels which is based on test data at Horonobe site. As results of first investigation, we showed as 2 dimensional analyses that it was desirable to excavate the tunnel of the remote distance at first and excavate the tunnel between these tunnels next, and it is necessary for the examination that reflected a real plan, such as evacuation machine and actual multi tunnel layout. As the results of second investigation, we also showed the more reliable EDZ by using the strain-softening model that is based on test data at Horonobe site. Furthermore, we standardized the design method (draft) for the practical use by referring the past studies of multi tunnel design method.

JAEA Reports

Studies on the design method of multi tunnels in geological disposal facility, 3

Hayashi, Katsuhiko; Kishi, Hirokazu; Kabayashi, Yasushi*; Takebe, Atsuji*; Fujiyama, Tetsuo*; Hiramoto, Masayuki*; Mizutani, Kazuhiko*; Morita, Atsushi*

JAEA-Research 2009-056, 86 Pages, 2010/02

JAEA-Research-2009-056.pdf:9.96MB

In this study, the effect of constitutive models such as strain softening of rock masses for EDZ, and the stress relief ratio used for multi tunnels analysis were conducted. As the result, it is necessary to confirm mechanical behavior of in situ rock and it is important to choose suitable constitutive models, and it is possible for all tunnels in multi tunnels model to have same stress relief ratio.

Oral presentation

Surface alternation of Cr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ -doped iron-phosphate glasses containing fission products during immersion in water and heating in vacuum

Yano, Tetsuji*; Tateno, Hayato*; Kishi, Tetsuo*; Okita, Takeshi*; Matsuyama, Kanae*; Miyamoto, Shinya*; Kofuji, Hirohide; Myochin, Munetaka

no journal, ,

Oral presentation

Cs $_{2}$ O and ZrO $_{2}$ containing Cr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ -Fe $_{2}$ O $_{3}$ -P $_{2}$ O $_{5}$ glasses

Yano, Tetsuji*; Kishi, Tetsuo*; Nakata, Yoshiyuki*; Kofuji, Hirohide; Takeuchi, Masayuki

no journal, ,

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Phase-separation transformation behaviors in NiO bearing NaO-BO-SiO glass and melt through high-temperature Ni K-edge XAFS and time-resolved SAXS measurements

Laser heating induced spatial homogenization of phase separated NaO-BO-SiO glass plate with bearing NiO for heat center and structural probe

Structural significance of nickel sites in aluminosilicate glasses

Studies on the design method of multi tunnels in geological disposal facility, 4

Studies on the design method of multi tunnels in geological disposal facility, 3

Surface alternation of CrO-CoO-AlO-doped iron-phosphate glasses containing fission products during immersion in water and heating in vacuum

CsO and ZrO containing CrO-CoO-AlO-FeO-PO glasses

Phase-separation transformation behaviors in NiO bearing Na $_{2}$ O-B $_{2}$ O $_{3}$ -SiO $_{2}$ glass and melt through high-temperature Ni K-edge XAFS and time-resolved SAXS measurements

Laser heating induced spatial homogenization of phase separated Na $_{2}$ O-B $_{2}$ O $_{3}$ -SiO $_{2}$ glass plate with bearing NiO for heat center and structural probe

Surface alternation of Cr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ -doped iron-phosphate glasses containing fission products during immersion in water and heating in vacuum

Cs $_{2}$ O and ZrO $_{2}$ containing Cr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ -Fe $_{2}$ O $_{3}$ -P $_{2}$ O $_{5}$ glasses