小澤研究室

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研究成果　Publications

最近の発表論文　Recent paper

2022年

  1. 石黒凉太，清宮優作，吉武直也，小澤俊平
    “Cu-P合金融体の表面張力に対する温度とリン添加量の影響”
    銅と銅合金，61, (2022) PP. 135-139.
  2. T. Shinoda, S. Ozawa, K. Kawashima, K. Kuribayashi, T. Yamayoshi and Y. Itoh
    “Flux-Free Brazing of Aluminum Alloys under Ultra-Low Oxygen Partial Pressure through a Zirconia Oxygen Pump”
    Mater. Trans, 63, (2022) in press.
  3. Y. Seimiya, Y. Kudo, R. Shinazawa, Y. Watanabe, T. Ishikawa, and S. Ozawa
    “Round-Robin Measurement of Surface Tension for Liquid Titanium by Electromagnetic Levitation (EML) and Electrostatic Levitation (ESL)”
    Metals, 12, (2022) 1129.

2021年

  1. 篠田智之，小澤俊平，川島健太，栗林一彦，山吉知樹，伊藤泰永
    “ジルコニア式酸素ポンプを用いた極低酸素雰囲気におけるアルミニウム合金のフラックスフリーろう付”
    日本金属学会誌，85, (2021) PP. 352-358.
  2. Y. Hayasaka, K. Kuribayashi, S. Shiratori, and S. Ozawa
    “Nucleation-Controlled Phase Selection in Rapid Solidification from Undercooled Melt of DyMnO3”
    Materials Transactions, 62, (2021) PP. 982-987.
  3. 早坂燿，栗林一彦，白鳥英，小澤俊平
    “DyMnO3の過冷却融液からの急速凝固における核形成律速相選択”
    日本金属学会誌，85, (2021), PP.155-161.
  4. Y Kisaka, S Miki, N Sekiguchi, F Kimura, S. Tashiro M. Tanaka, S Ozawa, T Suwa, Y Takahashi
    “Influence of Sulfur Content on Penetration Depth in TIG welding for High Manganese Stainless Steels”
    Metallurgical and Materials Transactions A, 52, (2021) PP. 5293-5299.
  5. Y Hayasaka, K Kuribayashi, and S Ozawa
    “Metastable Phase Diagram by Containerless Processing in Dy2O3-Mn2O3 System”
    Int. J. Microgravity Sci. Appl. 38, (2021) 380402.
  6. S. Ozawa, Y. Nagasaka, M. Itakura, K. Sugisawa, and Y. Seimiya
    “Influence of oxygen adsorption from atmosphere on surface tension of liquid silicon”
    J. Appl. Phys., 130, (2021) 0062062
  7. S. Shiratori, T. Usui, S. Koyama, S. Ozawa, H. Nagano and K. Shimano
    “Efficient implementation of two-phase flow solver based on THINC/SW and S-CLSVOF on unstructured meshes”
    Int. J. Microgravity Sci. Appl., 38, (2021) 135101.

2020年

  1. K. Kuribayashi, S. Shirasawa, Y. Hayasaka, S. Shiratori, and S. Ozawa
    “Containerless processing of metastable multiferroic composite in Ln-(Mn, Fe)- O system (Ln: Lanthanide)”
    J. American Ceramic Society, 103, (2020) PP. 4822-4831.

2018年

  1. J. Takasaki, K. Kuribayashi, and S. Ozawa
    "Constitution of Stable and Metastable Phase Diagrams for TmFeO3-ScFeO3 System by Undercooling Solidification Using the Containerless Technique", Materials Trans., 59, (2018) pp. 469-474.

2017年

  1. S. Ozawa, Y. Kudo, K. Kuribayashi, Y. Watanabe, T. Ishikawa
    “Precise density measurement of liquid titanium by electrostatic levitator”
    Materials Transactions, (2017), 58, (2017), PP. 1664-1669.
  2. 高先純也，栗林一彦，小澤俊平
    “無容器浮遊溶融凝固法を用いたTmFeO3-ScFeO3系の安定－準安定平衡状態図の作成”
    日本金属学会誌，81, (2017)
  3. K. Kuribayashi, S. Ozawa, K. Nagayama, and Y. Inatomi
    “Surface tension of super-cooled Fe-O liquid alloys”
    Journal of Crystal Growth, 468, (2017) PP. 73-78.

2016年

  1. K. Kuribayashi, S. Ozawa, K. Nagayama, and Y. Inatomi
    “Crystallization Kinetics in Si-1at%Sn during Rapid Solidification in Undercooled Melt”
    Journal of Crystal Growth, accepted.
  2. S. Ozawa, M. Nishimura, and K. Kuribayashi
    “Surface Tension of Molten Silver in Consideration of Oxygen Adsorption Measured by Electromagnetic Levitation”
    Int. J. Microgravity Sci. Appl. 33, (2016), 330310, PP. 1-6.
  3. H. G. Kim, J. Choe, T. Inoue, S. Ozawa, and J. Lee
    “Surface tension of super-cooled Fe-O liquid alloys”
    Metallurgical and Materials Transaction B., 47, (2016), PP. 2079-2081.

2015年

  1. S. Ozawa, Y. Kawanobe, T. Nagasawa, and K. Kuribayashi
    “Calibration of Zirconia Oxygen Pump and Sensor by Oxidation-Reduction Reaction of Solid Metals”
    Int. J. Microgravity Sci. Appl.，33, (2016), 330214 , PP.1-4
  2. K. Kuribayashi, R. Takahashi, Y. Inatomi, S. Ozawa, and M. S. Vijaya Kumar
    Containerless Processing of Metastable Multiferroic Composite in R-Fe-O System (R: Rare-earth element)
    Int. J. Microgravity Sci. Appl.，33, (2016), 330215 , PP.1-7.
  3. S. Shiratori, S. Ozawa, and T. Hibiya
    “Splash and bounce of droplet on liquid layer under low-gravity”
    Int. J. Microgravity Sci. Appl. 33 (2016), 33110, PP. 1-8.

2014年

  1.  S. Ozawa, S. Takahashi, N. Watanabe, and H. Fukuyama
    “Influence of Oxygen Adsorption on Surface Tension of Molten Nickel Measured under Reducing Gas Atmosphere”
    International Journal of Thermophysics, 35, (2014), PP. 1705-1711.
  2. S. Ozawa, K. Morohoshi, and T. Hibiya
    “Influence of Oxygen Partial Pressure on Surface Tension of Molten Type 304 and 316 Stainless Steels Measured by Oscillating Droplet Method using Electromagnetic Levitation”
    ISIJ International, 54, (2014), PP.2097-2103.
  3.  J. Choe, H. G. Kim, Y. Jeon, H. J. Park, Y. Kang, S. Ozawa, and J. Lee
    “Surface Tension Measurements of the 430 Stainless Steel”
    ISIJ International, 54, (2014), PP. 2104-2108.
  4.  滝 聖子，渡邊裕一，梶原康博，笠松慶子，小澤俊平
    “被覆アーク溶接作業における身体動作と軸回転角度に関する基礎分析”
    日本管理設備学会誌，26，(2014)，PP. 7-14.
  5.  S. Ozawa, N. Takenaga, T. Inoue, Y. Takei, T. Hibiya, A. Mizuno, and M. Watanabe
     “Measurement of Surface Tension of Molten Metal under Reducing Gas Atmosphere in Microgravity Condition during Parabolic Flight ― Attempt to control oxygen partial pressure ―”
    International Journal of Microgravity Sci. Appl., 31, (2014), PP. 11-16.

2013年

  1. T. Hibiya and S. Ozawa
    "Effect of oxygen partial pressure on the marangoni flow of molten metals"
    Crystal Research and Technology , 48,(2013), PP. 208-213.
  2. 高橋優，小澤俊平，福山博之，渡辺直行
    "溶鉄の表面張力測定に及ぼす試料蒸発の影響"
    熱物性,27,(2013), PP. 115-122.
  3. 小澤俊平
    "金属融体の表面張力測定から学んだ研究に帯する姿勢"
    日本鉄鋼協会 ふぇらむ，（2013）, Vol.18, No. 8, PP. 477-479.

2012年

  1. S. Ozawa, S. Takahashi, N. Watanabe, and H. Fukuyama
    "Influence of Oxygen Adsorption on Surface Tension of Molten Nickel Measured under Reducing Gas Atmosphere"，
    International Journal of Thermophysics, submitted, 2012. 7.

2011年

  1. S. Ozawa, S. Takahashi, H. Fukuyama and M. Watanabe
    "Temperature Dependence of Surface Tension of Molten Iron under Reducing Gas Atmosphere",
    Proceedings of the 4th Symposium on Physical Sciences in Space, (USB memory), PP. 78-80, 2011.
  2. S. Ozawa, S. Takahashi, H. Fukuyama, and M. Watanabe
    “Temperature Dependence of Surface Tension of Molten Iron under Reducing Gas Atmosphere”
    J. Phys, 327 (2011), 012020, PP. 1-6.
  3. S. Ozawa, S. Takahashi, S. Suzuki, H. Sugawara, and H. Fukuyama
    “Relationship of Surface Tension, Oxygen Partial Pressure, and Temperature for Molten Iron”
    Jpn. J. Appl. Phys, 50 (2011), 11RD05, PP. 1-5.
  4. 諸星圭祐，小澤俊平，小畠秀和，福山博之，日比谷孟俊
    “電磁浮遊液滴の表面振動周波数に及ぼす静磁場印加の影響”
    日本金属学会誌，75, (2011), PP. 69-74.
  5. 小澤俊平
    “とことん講座　金属融体の表面張力に及ぼす雰囲気酸素分圧の影響”
    日本溶接協会　ぶれいず，(2011)，Vol. 45, PP. 37-45.
  6. 小澤俊平
    “電磁浮遊炉を用いた表面張力測定の最近の進展”
    金属，（2011），Vol. 81, PP. 473-480.

2010年

  1. S. Ozawa, S. Suzuki, T. Hibiya, and H. Fukuyama
    “Influence of Oxygen Partial Pressure on Surface Tension and Its Temperature Coefficient of Molten Iron”
    J. Appl. Phys.,Vol. 109(2010), 014902 PP. 1-5.
  2. S Ozawa, M. Wawanabe, Y. Kiyamura, K. Morohoshi, T. Aoyagi, M. Tanno, T. Matshumoto, M. Adachi, A. Mizuno, H. Fujii, and T. Hibiya
    “Surface Tension of Molten Copper in Consideration of the Effect of Oxygen Partial Pressure under Microgravity Conditions during Parabolic Flight”
    J. Jpn. Soc. Microgravity Appl., Vol. 27, (2010), PP. 215-221.
  3. I. Egry, E. Ricci, R. Novakovic, S. Ozawa
    “Surface Tension of Liquid Metals and Alloys - Recent Developments”
    Advances in Colloid and Interface Science, Vol. 159, (2010), PP. 198-212.
  4. S. Ozawa , K. Morohoshi T. Hibiya, and H. Fukuyama
    “Influence of Oxygen Partial Pressure on Surface Tension of Molten Silver”
    J. Appl. Phys., Vol. 107, (2010), PP. 014910-1 - 014910-7.
  5. T. Hibiya, K. Morohoshi, and S. Ozawa
    “Oxygen partial pressure dependence of surface tension and its temperature coefficient for metallic melts: a discussion from the viewpoint of solubility and adsorption of oxygen”
    Journal of Materials Science, Vol. 45, (2010), PP. 1986-1992.
  6. 渡邉　匡人, 小澤俊平, Hans J. FECHT, Daglus MATTOSON
    “国際協力による高温融体熱物性計測プロジェクト　－現状とThermoLab-ISS計画へ向けて－”
    マイクログラビティ応用学会誌，(2010), Vol. 27, PP. 143-147.
  7. 小澤俊平
    “表面張力測定の最近の進展と酸素吸着モデル”
    日本結晶成長学会誌，(2010), Vol. 37, PP. 15-19.
  8. 小澤俊平，諸星圭祐，日比谷孟俊，福山博之
    “電磁浮遊炉による雰囲気酸素分圧依存性を考慮した金属性高温融体の表面張力”
    日本金属学会会報 まてりあ，(2010), Vol. 50, PP. 63-69.

2009年

  1. T. Hibiya, M. Watanabe, S. Ozawa, and T. Tsukada
    “Thermophysical Property Measurement of Molten Semiconductors: Preparatory work for Semitherm Program”,
    High Temperature Materials and Processes, (2009) Vol. 27, PP. 449-460.
  2. S. Ozawa, K. Koda, M. Adachi, M. Watanabe, and T. Hibiya
    “The Influence of Temporal Phase Difference of m = ±2 Oscillation on Surface Frequency Analysis for Levitated Droplet”
    J. Appl. Phys., Vol. 106, (2009), PP. 034907-1 - 03497-7
  3. S. Ozawa, A. Itou, K. Kuribayashi, T. Miyoshi, and S. Hirosawa
    “Transformation of RE2Fe17Bx (RE=Nd, Dy) Metastable Phase Crystallized from Undercooled Melt”
    Journal of the Japan Society of Microgravity Application, Vol. 26, (2009), PP. 122-125.