研究業績

2024年

  1. Density, Surface Tension, and Viscosity of Molten Ni-Based Superalloys Using the Maximum Bubble Pressure and Oscillating Crucible Methods, Tsuyoshi Nishi, Saori Matsumoto, Hidemasa Yamano, Kiichiro Hayashi, Rie Endo, Matheus Roberto Bellé, Lukas Neubert, Olena Volkova, Steel Research International, 2300766(1–6)(2024). DOI:https://doi.org/10.1002/srin.202300766 査読有

2023年

  1. Measurement of Exothermic Values of Casting-sleeve Materials Using an Ice Calorimeter, Hoang Nhu NGO, Tsuyoshi NISHI, Hiromichi OHTA, ISIJ International, 63, No.4, 678–686 (2023). 査読有
  2. Structural Analysis Methods for Characterizing Multicomponent Melts and Glasses Processed at High Temperatures, Shigeru Suzuki, Sohei Sukenaga, Tsuyoshi Nishi, Kozo Shinoda, Hiroyuki Shibata, ISIJ International, 63, No.5, 767–778 (2023). 査読有
  3. Quantitative thermal investigation of a fayalite particle and a Si-rich layer in oxide scale formed on steel, Y. Suganuma, S. Shinohara, Y. Inoue, T. Nishi, H. Ohta, H. Tanei, M. Susa, R. Endo, High Temperatures-High Pressures, 52, 285–305 (2023). 査読有

2022年

  1. Ultra-long air- stability of n-type carbon nanotube films with low thermal conductivity and all-carbon thermoelectric generators, Y. Amma, K. Miura, S. Nagata, T. Nishi, S. Miyake, K. Miyazaki, M. Takashiri, Scientific Reports, 査読有, 12, 21603, 9P (2022).
  2. Evaluation of the calorific value of exothermic sleeve material by the adiabatic calorimeter, N.N.Hoang, T.Nishi, H.Ohta, High Temperature Materials and Processes, 査読有, 41, 599-604 (2022).
  3. オフセット周期加熱法による一方向炭素繊維複合材料の熱拡散率特性評価，永田 將，三宅修吾，五十嵐誉廣，太田弘道，西 剛史，日本実験力学会誌，査読有，22(2)，105-111 (2022).
  4. るつぼ回転粘度法による溶融Ni基合金の粘度測定，松本早織，西 剛史，太田弘道，堀 亜由美，林 喜一郎，山野秀将，日本実験力学会誌，査読有，22(2)，112-116 (2022).
  5. るつぼ回転粘度計を用いた溶融耐熱鋳鋼の粘度測定，高塚祐理子，松本早織，西 剛史，太田弘道，堀 亜由美，林 喜一郎，山野秀将，日本実験力学会誌，査読有，22(2)，117-119 (2022).
  6. Determination of Thermal Effusivity of Lunar Regolith Simulant Particle Using Thermal Microscopy, R. Endo, Y. Suganuma, K. Endo, T. Nishi, H. Ohta, S. Tachikawa, International Journal of Thermophys, 査読有，43, 103, 18p (2022).
  7. Viscosity measurements of molten metal using an improved oscillating crucible method, R. Sato, T. Nishi, H. Ohta, H. Yamano, International Journal of Thermophysics, 査読有, 43, 85, 15p (2022).

2021年

  1. Phonon transport properties depending on crystal orientation analyzed by nanoindentation using single-crystal silicon wafers, O. Norimasa, M. Hase, M. Hayamizu, S. Nagata, S. Tanaka, S. Miyake, T. Nishi, H. Murotani, M. Takashiri, Applied Physics Express, 査読有, 14, 126502, 4p (2021).
  2. Thermal Conductivity of Sodium Silicate Glasses and Melts: Contribution of Diffusive and Propagative Vibration Modes, S. Sukenaga, T. Endo, T. Nishi, H. Yamada, K. Ohara, T. Wakihara, K. Inoue, S. Kawanishi, H. Ohta, H. Shibata, Frontiers in Materials, 査読有, 8, 753746, 9p, (2021).
  3. 電気炉を用いた急速加熱試験による鋳造用押湯スリーブ材の発熱挙動評価，ゴォニュホアン，西 剛史，根崎史歩，太田弘道，日本実験力学会誌，査読有，21，240-246（2021）.
  4. 熱伝導率測定の種類とメカニズム，用途別の選択法と使い方 ４．【事例紹介】ケイ酸塩融体の熱伝導率および金属（合金）融体の粘度測定について，西 剛史，技術情報協会テキスト、25p (2021).
  5. フラッシュ法におけるラフラス空間解析法を用いた熱拡散率解析時の適正ラプラス変換，細野和也，西 剛史，太田弘道，日本熱物性学会誌，査読有，35，105-113（2021）.
  6. Viscosities of Molten B4C-Stainless Steel Alloys, T. Nishi, R. Sato, H. Kokubo, H. Ohta, H. Yamano, Journal of Nuclear Materials, 査読有, 552, 153002, 7p (2021).
  7. 熱物性顕微鏡を用いたPbTe-Sb2Te3系化合物の熱浸透率分布測定，伊藤俊亮，黒江怜史，西 剛史，太田弘道，池田輝之，羽鳥仁人，日本熱物性学会誌，査読有，35，49-53（2021）.

2020年

  1. 透明板に接する試料の熱放射を考慮したフラッシュ法を用いた熱拡散率測定法の検討，細野和也，西 剛史，太田弘道，日本熱物性学会誌，査読有，34，117-128（2020）.
  2. Development of a novel thermal diffusivity analysis by a spot periodic heating and infrared radiation thermometer method, S. Nagata, T. Nishi, S. Miyake, N Azuma, K. Hatori, T. Awano, H. Ohta, Materials, 査読有, 13, 4848, 11p (2020).
  3. Effect of radiative heat loss on thermal diffusivity evaluated using normalized logarithmic method in laser flash technique, T. Nishi, N. Azuma, H. Ohta, High Temperature Materials and Processes, 査読有，39, 390-394 (2020).
  4. Thermodynamic and Thermophysical Properties of the Actinide Nitrides, Comprehensive Nuclear Materials 2nd edition, M. Uno, T. Nishi, M. Takano, 査読有，7, 202–231 (2020).
  5. Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors: (1) project overview, 14th International Nuclear Fuel Cycle Conference, H. Yamano, T. Takai, T. Furukawa, S. Kikuchi, Y. Emura, K. Kamiyama, H. Fukuyama, H. Higashi, T. Nishi, H. Ohta, X. Liu, K. Morita, K. Nakamura, H. Ohta, M. Furuya, GLOBAL 2019 and Light Water Reactor Fuel Performance Conference, TOP FUEL 2019; Seattle, Code 1574812020/02 (2020).
  6. Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors: (4) effect of B4C addition on viscosity of austenitic stainless steel in liquid state, H. Ohta, H. Kokubo, T. Nishi, H. Yamano, 14th International Nuclear Fuel Cycle Conference, GLOBAL 2019 and Light Water Reactor Fuel Performance Conference, TOP FUEL 2019, Seattle, Code 1574812020/02 (2020).
  7. 研究室便り－材料熱物性計測プロセス研究室（西研究室）の紹介と第4回茨城大学量子線科学国際シンポジウムの報告－，西　剛史，多賀工業会会報, 63号，(2020).
  8. 第4回茨城大学量子線国際シンポジウム報告，西 剛史，まてりあ，査読有，59，110 (2020).

2019年

  1. 不透明体で半透明体を挟んだ三層材の見かけの定常熱伝導の検討, 細野和也，西 剛史，太田弘道, 日本熱物性学会誌, 査読有, 33, 159-166 (2019).
  2. ホウケイ酸塩融体の熱伝導率, 西 剛史, 太田弘道, まてりあ, 日本金属学会, 査読有, 58/11, 634-636 (2019).
  3. 「高熱伝導材料」 第11章　第3節「スポット周期加熱放射測温法を用いた高熱伝導放熱シートの熱拡散率測定の現状」西 剛史, 技術情報協会, 査読有, 411-415 (2019).
  4. Thermal conductivities of Na2O-B2O3-SiO2 melts, T. Nishi, T. Manako, K. Ohnuma, H. Ohta, S. Sukenaga, H. Shibata, T. Oniki, Journal of Nuclear Science and Technology, 査読有, 56, 710-715 (2019).
  5. 両端不透明体層とした半透明体のフラッシュ法による熱拡散率測定における熱放射の影響, 細野和也，西 剛史，太田弘道, 日本熱物性学会誌, 査読有, 33, 67-77 (2019).
  6. Thermal conductivities of alkali-silicate and calcium-alkali-silicate melts, T. Nishi, K. Ohnuma, K. Tanaka, T. Manako, Y. Yamato, H. Ohta, S. Sukenaga, H. Shibata, T. Kakihara, Journal of Non-crystalline Solids, 査読有, 511, 36-40 (2019).
  7. CaO-SiO2-Al2O3-R2O (R=Li,Na,K) 系溶融ケイ酸塩の熱伝導率と粘性率の関係, 眞子巧巳，西 剛史，太田弘道, 助永壮平，柴田浩幸, 日本実験力学会誌, 査読有, 19, 8-12 (2019).
  8. フラッシュ法における解析時の熱拡散率精度の冷却時定数精度依存性, 細野和也，西 剛史，太田弘道, 日本熱物性学会誌, 査読有, 33, 10-15 (2019).
  9. Annealing Cycle Dependence of Thermal Conductivity for Si-Ge-Au Thin Film Analyzed by Thermal Microscopy, T. Nishi, T. Mayama, H. Ohta, Y. Okamoto, Sensors and Materials, 査読有, 31, 743-749 (2019).

2018年

  1. フラッシュ法による熱拡散率測定におけるリング状加熱とヒートスプレッドの影響, 細野和也，西 剛史，太田弘道, 日本熱物性学会誌, 査読有, 32, 70-79 (2018).
  2. フラッシュ法による不透明板で挟んだ透明体の熱拡散率測定法, 細野和也，西 剛史，太田弘道, 日本熱物性学会誌, 査読有, 32, 80-87 (2018).
  3. 熱分析・XRD測定による鋳造スリーブの発熱量挙動評価, 神戸健志郎，西 剛史，太田弘道，ゴ ニュ ホアン, 日本金屬學會誌, 査読有, 82, 384-389 (2018).
  4. 高熱伝導放熱シートの熱拡散率分布測定, 林 健，西 剛史，太田弘道，羽鳥仁人，野口秀則, 日本金屬學會誌, 査読有, 82, 396-399 (2018).
  5. ステンレス鋼―B4C溶融混合物の系統的な粘度測定を目指したニッケルおよびステンレス鋼の粘度測定, 小久保宏紀，西 剛史，太田弘道，山野秀将, 日本金屬學會誌, 査読有, 82, 400-402 (2018).
  6. AlO1.5-R2O-SiO2融体の熱浸透率測定, 眞子巧巳，西 剛史，太田弘道，助永壮平，柴田浩幸, 日本金屬學會誌, 査読有, 82, 419-422 (2018).
  7. レーザフラッシュ法を用いたプラスチックの熱拡散率測定, 真山知大，西 剛史，太田弘道，神田昌枝, 日本金屬學會誌, 査読有, 82, 437-441 (2018).
  8. Determination of thermal conductivities of B2O3-SiO2 and CaO-B2O3-SiO2 melts, T. Nishi, K. Tanaka, K. Ohnuma, T. Manako, H. Ohta, S. Sukenaga, H. Shibata, T. Kakihara, Journal of Nuclear Materials, 査読有, 510, 193-198 (2018).
  9. フラッシュ法を用いた放射損失を考慮した層間熱抵抗と熱拡散率測定法の精度評価, 細野和也，西 剛史，太田弘道, 日本熱物性学会誌, 査読有, 32, 144-150 (2018).
  10. 熱放射を考慮した簡便な半透明体の定常熱伝導率算出法のアプロ―チ, 細野和也，西 剛史，太田弘道, 日本熱物性学会誌, 査読有, 32, 151-156 (2018).

2017年

  1. 鉛フリーはんだの粘度測定の現状および今後の課題, 橋本康孝，西 剛史，太田弘道, 日本金屬學會誌, 査読有, 81, 221-225 (2017).
  2. Lattice parameter functions of (AmyU1−y)O2−x based on XRD and XANES measurements, T. Nishi, M. Nakada, M. Hirata, Journal of Solid State Chemistry, 査読有, 256, 252-255 (2017).
  3. Thermal microscope measurement of thermal effusivity distribution in compositionally graded PbTe–Sb2Te3–Ag2Te alloy system, T. Nishi, S. Yamamoto, M. Okawa, K. Hatori, T. Ikeda, H. Ohta, Thermochimica Acta, 査読有, 659, 39-43 (2018).
  4. Estimation of thermal conductivity of silicate melts using three-dimensional thermal resistor network model, T. Nishi, H. Ohta, S. Sukenaga, H. Shibata, Journal of Non-Crystalline Solids, 査読有, 482, 9–13 (2018).
  5. Effect of Amount of Chunky Graphite on Mechanical Properties of Spheroidal-Graphite Cast Iron Running title: Effect of Chunky Graphite on Mechanical Properties of Ductile Iron, H. Nakayama, B.-R. Zhao, N. Furusato, S. Yamada, T. Nishi, H. Ohta, Matarial Transactions, 査読有, 59, 412-419 (2018).
  6. レーザフラッシュ法による積層試料の熱拡散率解析法の開発, 細野和也，西 剛史，太田弘道, 日本熱物性学会誌, 査読有, 32, 12-20 (2018).
  7. オーガナイズドセッション OS1：高温融体と材料プロセス, 西 剛史，遠藤理恵, 日本熱物性学会誌, 査読無, 32，151-156 (2018).

2016年

  1. Self-irradiation effect on thermal conductivity of Zr0.70Pu0.25Cm0.05N solid solution, T. Nishi, H. Hayashi, T. Sato, M. Takano, Journal of Nuclear Materials, 査読有, 486, 167-171 (2017).
  2. Thermal Conductivity of Bolosilicte Melt, T. Nishi, J. Ojima, Y. Kuroda, H. Ohta, S. Sukenaga, H. Shibata, H. Kawashima, Proceedings of The 10th International Conference on Molten Slags, Fluxes and Salts (MOLTEN16) Edited by: Ramana G. Reddy, Pinakin Chaubal, P. Chris Pistorius, and Uday Pal John Wiley & Sons, Inc., 査読有, 519-524 (2016).

2015年

  1. Thermal conductivity of U-20wt.%Pu-2wt%.Am-10wt.%Zr alloy, T. Nishi, K. Nakajima, M. Takano, M. Kurata, Y. Arita, Journal of Nuclear Materials, 査読有, 464, 270-274 (2015).
  2. Fundamental experiments on phase stabilities of Fe–B–C ternary systems, A. Sudo , T. Nishi, N. Shirasu, M. Takano, M. Kurata, Journal of Nuclear Science and Technology, 査読有, 52, 1308-1312 (2015).
  3. テキスト「核燃料サイクル」8-3. 「ADS燃料サイクル」　松村 達郎、佐藤 匠、西 剛史、テキスト「核燃料サイクル」編集委員会編　日本原子力学会、査読有、1-5 (2015).
  4. Recent Progress and Future R&D Plan of Nitride Fuel Cycle Technology for Transmutation of Minor Actinides, H. Hayashi, T. Nishi, M. Takano, T. Sato, H. Shibata, M. Kurata, Proceedings of 13th OECD /NEA Information Exchange Meeting on Actinide and Fission Product Partitioning and Transmutation, 査読無, Seoul, Korea, 360-367 (2015).
  5. Development of nitride fuel cycle technology for transmutation of minor actinides, H. Hayashi, T. Nishi, T. Sato, M. Kurata, Proceedings of International Nuclear Fuel Cycle Conference (GLOBAL 2015), 査読無, Paris, France, No. 5384, 7p.
  6. An innovative anode concept for improving anodic dissolution rate of nitride fuel in electrorefining process, T. Sato, H. Hayashi, T. Nishi, M. Kurata, Proceedings of International Nuclear Fuel Cycle Conference (GLOBAL 2015), 査読無, Paris, France, No. 5447, 6p.

2014年

  1. Characterization of solidified melt among materials of UO2 fuel and B4C control blade, M. Takano, T. Nishi, N. Shirasu, Journal of Nuclear Science and Technology, 査読有, 51, 859-875 (2014).【第47回 日本原子力学会賞 論文賞受賞】
  2. Self-radiation effects and grassy nature of magnetic transition in AmO2 revealed by 17O-NMR, Y. Tokunaga, T. Nishi, M. Nakada, A. Itoh, H. Sakai, S. Kambe, Y. Honma, F. Honda, D. Aoki, R. E. Walstedt, Physical Review B, 査読有, 89, 214416. 8p (2014).
  3. Property Database of TRU Nitride Fuel, T. Nishi, Y. Arai, M. Takano, M. Kurata, JAEA-Data/Code, 査読無, 2014-001, 45p (2014).

2013年

  1. Self-irradiation effect on thermal conductivity of (Pu0.91Cm0.09)O2, T. Nishi, M. Takano, M. Akabori, Y. Arai, Journal of Nuclear Materials, 査読有, 433, 531-533 (2013).
  2. Thermal conductivity of (Np0.20Pu0.50Am0.25Cm0.05)O2-x solid solutions, T. Nishi, M. Takano, M. Akabori, Y. Arai, Journal of Nuclear Materials, 査読有, 440, 534-538 (2013).
  3. High temperature reaction between sea salt deposit and (U,Zr)O2 simulated corium debris, M. Takano, T. Nishi, Journal of Nuclear Materials, 査読有, 443, 32-39 (2013).
  4. DFT study on the electronic structure and chemical state of Americium in an (Am,U) mixed oxide, C. Suzuki, T. Nishi, M. Nakada, T. Tsuru, M. Akabori, M. Hirata, Y. Kaji, Journal of Physics and Chemistry of Solids, 査読有, 74, 1769-1774 (2013).

2012年

  1. Core-hole effect on XANES and electronic structure of minor actinide dioxide with fluorite structure, C. Suzuki, T. Nishi, M. Nakada, M. Akabori, M. Hirata, Y. Kaji, Journal of Physics and Chemistry of Solids, 査読有, 73 209-216 (2012).
  2. Thermodynamic properties of neptunium nitride: a first principles study, H. Shibata, T. Tsuru, T. Nishi, M. Hirata, Y. Kaji, Journal of Nuclear Science and Technology, 査読有, 49, 328-333 (2012).
  3. Development status of low activation ternary Au-In-Cd alloy decoupler for a MW class separation neutron source -1st production of Au-In-Cd alloy-, M. Ooi, M. Teshigawara, T. Wakui, T. Nishi, M. Harada, F. Maekawa, M. Futagawa, Journal of Nuclear Materials, 査読有, 431, 218-223 (2012).

2011年

  1. Thermal conductivities of Zr-based transuranium nitride solid solutions, T. Nishi, M. Takano, K. Ichise, M. Akabori, Y. Arai, Journal of Nuclear Science and Technology, 査読有, 48, 359-365 (2011).【第44回 日本原子力学会賞 論文賞受賞】
  2. Heat capacities and thermal conductivities of AmO1.5 and AmO2, T. Nishi, A. Itoh, K. Ichise, Y. Arai, Journal of Nuclear Materials, 査読有, 414, 109-113 (2011).
  3. Valence state of Am in (U0.95Am0.05)O2, T. Nishi, M. Nakada, C. Suzuki, H. Shibata, A. Itoh, M. Akabori, M. Hirata, Journal of Nuclear Materials, 査読有, 418, 311-312 (2011).
  4. 2.03 Thermodynamics and Thermophysical Properties of the Actinide Nitrides, Comprehensive Nuclear Materials, M. Uno, T. Nishi, M. Takano, 査読有, Eds. by R. J. M. Konings, Elsevier, Vol. 2, pp. 61-85 (2011).

2010年以前（代表的な論文）

  1. Local and electrical structure of Am2O3 and AmO2 with XAFS spectroscopy, T. Nishi, M. Nakada, C. Suzuki, H. Shibata, A. Itoh, M. Akabori, M. Hirata, Journal of Nuclear Materials, 査読有, 401, 138-142 (2010).
  2. Heat capacities of NpN and AmN, T. Nishi, A. Itoh, M. Takano, M. Numata, M. Akabori, Y. Arai, K. Minato, 査読有, Journal of Nuclear Materials, 査読有, 377, 467-469 (2010).
  3. Thermal conductivity of neptunium dioxide, T. Nishi, A. Itoh, M. Takano, M. Numata, M. Akabori, Y. Arai, K. Minato, Journal of Nuclear Materials, 査読有, 376, 78-82 (2008).
  4. Thermal conductivity of AmO2-x, T. Nishi, M. Takano, A. Itoh, M. Akabori, Y. Arai, K. Minato, M. Numata, Journal of Nuclear Materials, 査読有, 373, 295-298 (2008).
  5. Systematic measurement of thermal diffusivity of Pd40Cu40-xNixP20 (x=0,10,40) alloys in liquid, glassy, crystallized, and supercooled liquid states by the laser flash method, T. Nishi, H. Shibata, H. Ohta, N. Nishiyama, A. Inoue, Y. Waseda, Physical Review B, 査読有, 70, 174204, 5p (2004).
  6. 3つのセルを有する熱流束型DSCを用いたPd基合金融体の比熱測定　西 剛史、柴田 浩幸、太田 弘道、西山 信行、井上 明久、早稲田 嘉夫　日本金属学会誌、査読有、68、499-502 (2004). 【日本金属学会　第2回若手講演論文賞（第53回論文賞）受賞】
  7. Thermal Conductivities of Molten Iron, Cobalt, and Nickel by Laser Flash Method, T. Nishi, H. Shibata, H. Ohta, Y. Waseda, Metallurgical and Materials Transactions A, 査読有, 34A, 2801-2807 (2003).