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Featured researches published by Akitoshi Mizuno.


Chemical Physics Letters | 2002

Theoretical prediction of atomic volume for liquid metals based on the hard sphere model combined with NFE theory

Akitoshi Mizuno; Tadahiko Masaki; Toshio Itami

Abstract The volume of liquid metals was theoretically calculated based on the hard sphere model immersed in the uniform background potential of electron gas. The electron–ion interaction was approximated by a simple empty core model pseudopotential. The effect of entropy was taken into account for the evaluation of the volume of liquids. The calculated atomic volume is in good agreement with the experimental volume for liquid metals investigated even for liquid group 14 elements.


Physical Chemistry Chemical Physics | 2002

Molar volume of 6Li, 7Li and natural Li in the liquid state

Yuta Shimizu; Akitoshi Mizuno; Tadahiko Masaki; Toshio Itami

The densities of natural Li, concentrated 6Li and concentrated 7Li in the liquid state were each measured by the two-sphere-Archimedes method. The measured density of natural Li in the liquid state was in good agreement with previous data. From these data the molar volumes of natural Li, concentrated 6Li and concentrated 7Li in the liquid state were calculated. Among those three kinds of liquid Li, the molar volume changes in an almost common straight line with the variation of the temperature. This indicates that no isotope effect can be seen between the molar volume in the liquid state of 6Li and that of 7Li within the present experimental error. The simple model calculation of the molar volume of liquid Li was performed based on the hard sphere model immersed in the uniform electron gas. Calculated molar volumes agree with experimental ones.


JASMA : Journal of the Japan Society of Microgravity Application | 2000

The Study of Diffusion in Complex Metallic Liquids With High Melting Points--The Study of Self Difusion and Mutual-Diffusion of Liquid Cu-Ag Alloys (TR-IA 7号機特集)

Toshio Itami; Akitoshi Mizuno; Hirokatsu Aoki; Yoshito Arai; Kazumasa Goto; Sinichi Amano; Natsumi Tateiwa; Minoru Kaneko; Tomoharu Fukazawa; Ryuta Nakamura; Hiroshi Nishioji; Akio Ogiso; Tomihisa Nakamura; Yasuhiro Nakamura; Naokiyo Koshikawa; Tadahiko Masaki; Makoto Natsuizaka; Satoshi Matsumoto; Shuji Munejiri; Misako Uchida; Shinichi Yoda


Archive | 2007

Electrostatic levitation furnace for X-ray diffraction measurements of high-temperature liquid materials

Tadahiko Masaki; Takehiko Ishikawa; Paul-François Paradis; Shinichi Yoda; Junpei T. Okada; Yasuhiro Watanabe; Susumu Nanao; Akiko Ishikura; Kensuke Higuchi; Akitoshi Mizuno; 正木 匡彦; 石川 毅彦; 依田 眞一; 岡田 純平; 渡辺 康裕; 七尾 進; 石蔵 明子; 樋口 健介; 水野 章敏


The Proceedings of the Thermal Engineering Conference | 2014

F116 Structural analysis of liquid Bi-Ga alloy by using X-ray scattering with aerodynamic levitation system

Kota Kitamura; Tadahiko Masaki; Takehiko Ishikawa; Akitoshi Mizuno; Shinji Kohara


宇宙利用シンポジウム 第28回: 平成23年度=Space Utilization Research, Vol. 28 2012: Proceedings of The Twenty-eighth Space Utilization Symposium | 2012

WG 活動報告 微小重力下での酸素分圧制御による金属性融体の表面張力測定

匡人 渡邉; 俊平 小澤; 章敏 水野; 孟俊 日比谷; 秀和 西村; 毅彦 石川; 俊夫 田川; 隆夫 塚田; 健一 杉岡; 博之 福山; 秀和 小畠; 敏宏 田中; 秀幸 安田; 大郎 景山; Hans-Jurgen Fecht; Rainer Wunderlich; E. Ricci; Elizabetta Arato; Masahito Watanabe; Shumpei Ozawa; Akitoshi Mizuno; Taketoshi Hibiya; Hidekazu Nishimura; Takehiko Ishikawa; Toshio Tagawa; Takao Tsukada; Ken-ichi Sugioka; Hiroyuki Fukuyama; Hidekazu Kobatake; Toshihiro Tanaka


Archive | 2010

Thermophysical Properties Measurement of High-Temperature Melt under microgravity conditions by Parabolic Flight Levitation Experimental Facility (PFLEX) in controlled atmospheric conditions

Masahito Watanabe; Shumpei Ozawa; Akitoshi Mizuno; Taketoshi Hibiya; Toshihiro Tanaka


JASMA : Journal of the Japan Society of Microgravity Application | 2010

Surface Tension of Molten Copper in Consideration of the Effect of Oxygen Partial Pressure under Microgravity Conditions during Parabolic Flight

Shumpei Ozawa; Masahito Watanabe; Yutaka Kiyamura; Keisuke Morohoshi; Tomowo Aoyagi; Mitsuhiro Tanno; Takuya Matsumoto; Masayoshi Adachi; Akitoshi Mizuno; Hideki Fujii; Taketoshi Hibiya


Archive | 2009

研究班WG「静電浮遊炉WG」の活動報告2008

毅彦 石川; 純平 岡田; 進 七尾; 建定 余野; 康裕 渡辺; 敦信 増野; 一彦 栗林; 匡彦 正木; 博之 福山; 嘉彦 横山; 秀和 小畠; 匡人 渡辺; 章敏 水野; 雅祝 乾; 哲也 高田; 光治 米村; Takehiko Ishikawa; Junpei T. Okada; Susumu Nanao; Kentei Yono; Yasuhiro Watanabe; Atsunobu Masuno; Kazuhiko Kuribayashi; Tadahiko Masaki; Hiroyuki Fukuyama; Y. Yokoyama; Hidekazu Kobatake; Masahito Watanabe; Akitoshi Mizuno; Masanori Inui


Archive | 2008

Measurement of surface tension in an atmosphere with controlled oxygen partial pressure under microgravity using a parabolic flight

Taketoshi Hibiya; Masahito Watanabe; Shumpei Ozawa; Masayoshi Adachi; Noriaki Takenaga; Tomowo Aoyagai; Akitoshi Mizuno; Kensuke Higuchi

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Tadahiko Masaki

Japan Aerospace Exploration Agency

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Takehiko Ishikawa

National Space Development Agency of Japan

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Shinichi Yoda

Japan Aerospace Exploration Agency

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Shumpei Ozawa

Japan Aerospace Exploration Agency

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Taketoshi Hibiya

Tokyo Institute of Technology

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Hirokatsu Aoki

Japan Aerospace Exploration Agency

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