論文 2015

  1. “Al-Cu合金の固液共存体の変形による凝固割れのその場観察 (In-situ observation of cracking formation induced by deformation of semisolid Al-Cu alloys)”、柳楽知也、安田秀幸、森田周吾、柳井森吾、杉山明、上杉健太朗 (T. Nagira, H. Yasuda, S. Morita, S. Yanai, A. Sugiyama, K. Uesugi)、鋳造工学、87 (2015) 552-560.

  2. “A real-time synchrotron X-ray study of primary phase nucleation and formation in hypoeutectic Al-Si alloys”, A. Prasad, S. D. McDonald, H. Yasuda, K. Nogita, D. H. StJohn, J. Crystal Growth, 430 (2015) 122-137. DOI: 10.1016/j.jcrysgro.2015.06.024

  3. “Influence of Mg on solidification of hypereutectic cast iron: X-ray radiography study”, K. Yamane, H. Yasuda, A. Sugiyama, T. Nagira, M. Yoshiya, K. Morishita, K. Uesugi, A. Takeuchi, Y. Suzuki, Metallurgical and Materials Transactions A, 46A (2015) 4937-4946. DOI 10.1007/s11661-015-3077-z

  4. "Numerically-quantified two dimensionality of microstructure evolution accompanying variant selection of FePd", N. Ueshima, M. Yoshiya, H. Yasuda, T. Fukuda, T. Kakeshita, Material Research Express, 2 (2015) 076502. doi:10.1088/2053-1591/2/7/076502

  5. “Development of a microwave sintered TiO2 reinforced Sn–0.7wt%Cu–0.05wt%Ni alloy”, M.A.A. Mohd Salleh, S.D. McDonald, Y. Terada, H. Yasuda, K. Nogita, Materials & Design 82 (2015) 136–147. doi:10.1016/j.matdes.2015.05.077

  6. “Concurrent γ-Phase Nucleation as a Possible Mechanism of δ-γ Massive-like Phase Transformation in Carbon Steel: Numerical Analysis Based on Effective Interface Energy”, M. Yoshiya, M. Watanabe, K. Nakajima, N. Ueshima, Κ. Hashimoto, T.Nagira, H. Yasuda, Mater. Trans., 56 (2015) 1467-1474. doi: 10.2320/matertrans.MA201569

  7. “Concurrent γ-Phase Nucleation as a Possible Mechanism of δ-γ Massive-like Phase Transformation in Carbon Steel: Numerical Analysis Based on Effective Interface Energy”, M. Yoshiya, M. Watanabe, K. Nakajima, N. Ueshima, Κ. Hashimoto, T.Nagira, H. Yasuda, Mater. Trans., 56 (2015) 1467-1474. doi: 10.2320/matertrans.MA201569

  8. “Yet Another Marked Difference among Impurities as Modifier Elements for Refinement of Eutectic Si in Al-Si Alloys”, Y. Suzuki-Yamamoto, R. Ozaki1, M. Yoshiya, T. Nagira, H. Yasuda, Mater. Trans., 56 (2015) 1475-1483. doi: 10.2320/matertrans.MA201576

  9. “Atomistic Analyses of Competition between Site-Selective Segregation and Association of Point Defects at Grain Boundary in Y2O3-Doped ZrO2”, T. Yokoi, M. Yoshiya, H. Yasuda, Mater. Trans., 56 (2015) 1344-1349. doi: 10.2320/matertrans.MA201567

  10. “Impact of melt convection induced by imposition of ultrasonic wave on dendrite growth in Sn-Bi alloy”, T. Nagira, N. Nakatsuka, H. Yasuda, K. Uesugi, A. Takeuchi, Y. Suzuki, Materials Letter, 150 (2015) 135-138. doi:10.1016/j.matlet.2015.02.069

  11. "Localization of shear strain and shear band formation induced by deformation in semi-solid Al-Cu alloys", T. Nagira, S. Morita, H. Yasuda, C.M. Gourlay M. Yoshiya, A. Sugiyama and K. Uesugi, IOP Conf.Series:Materials Science and Engineering 84 (2015) 012078. DOI: 10.1088/1757-899X/84/1/012078

  12. "Kinetics of the δ/γ interface in the massive-like transformation in Fe-0.3C-0.6Mn-0.3Si alloys", T.Nishimura*, K.Morishita, T.Nagira, M.Yoshiya and H.Yasuda, IOP Conf.Series:Materials Science and Engineering 84 (2015) 012062. DOI: 10.1088/1757-899X/84/1/012062

  13. "Impacts of interface energies and transformation strain from BCC to FCC on massive-like delta-gamma transformation in steel", M. Yoshiya, M. Sato, M. Watanabe, K. Nakajima, T. Yokoi, N. Ueshima, T. Nagira and H. Yasuda, IOP Conf.Series:Materials Science and Engineering 84 (2015) 012049. DOI: 10.1088/1757-899X/84/1/012049

  14. "Real-time synchrotron x-ray observations of equiaxed solidification of aluminium alloys and implications for modelling", A. Prasad, E. Liotti, S.D. McDonald, K. Nogita, H. Yasuda, P.S. Grant and D.H. StJohn,IOP Conf.Series:Materials Science and Engineering 84 (2015) 012014. DOI: 10.1088/1757-899X/84/1/012014

  15. "Application of a macroscopic model to predict the band segregation induced by shear deformation of semisolid", S. Morita, H. Yasuda, T. Nagira, C.M. Gourlay, K. Morishita, M. Yoshiya and A. Sugiyama, IOP Conf.Series:Materials Science and Engineering 84 (2015) 012011. DOI: 10.1088/1757-899X/84/1/012011

  16. “The influence of Ni and Zn additions on microstructure and phase transformations in Sn-0.7Cu/Cu solder joints”, G. Zeng*, S. D. McDonald, Q. Gu, Y. Terada, K. Uesugi, H. Yasuda, K. Nogita, Acta Materialia, 83 (2015) 357-371.

  17. “Rapid Cu6Sn5 growth at liquid Sn/solid Cu interfaces”, M.A.A. Mohd Salleha*, S.D. McDonald, H. Yasuda, A. Sugiyama, K. Nogita, Scripta Materialia 100 (2015) 17-20.

  18. “In-situ Soldering Process Technique by Synchrotron X-ray Imaging”, M. A. A. Mohd Salleh, A. Sugiyama, H. Yasuda, S. D. McDonald, K. Nogita, Applied Mechanics and Materials, 754-755 (2015) 508-512. doi:10.4028/www.scientific.net/AMM.754-755.508

  19. “In-situ Soldering Process Technique by Synchrotron X-ray Imaging”, M. A. A. Mohd Salleh, A. Sugiyama, H. Yasuda, S. D. McDonald, K. Nogita, Applied Mechanics and Materials, 754-755 (2015) 508-512. doi:10.4028/www.scientific.net/AMM.754-755.508

  20. “On modeling of grain boundary segregation in aliovalent cation doped ZrO2: Critical factors in site-selective point defect occupancy”, T. Yokoi, M. Yoshiya, H. Yasuda, Scripta Mater., 102 (2015) 91-94. doi:10.1016/j.scriptamat.2015.02.021

発表 2015

  1. H. Yasuda, T. Nagira, M. Yoshiya, K. Morishita, A. Nakamura, Y, Kimura, N. Nakatsuka, A. Hashimoto, K. Ono, “Processing for three‐dimensional alignement of FeSi2 by magnetic field”, 8th international conference on Electromagnetic processing of Materials (EPM2015), Cannes, France, 2015/10/12-16 [Plenary]

  2. *杉村幸暉、西村友宏、安田秀幸、柳楽知也、吉矢真人、森下浩平、"Fe-C系のδ/γマッシブ的変態における界面移動の駆動力の評価"、日本鉄鋼協会第170回秋季講演大会、九州大学伊都キャンパス、2015/9/16-18 [Oral]

  3. *西村友宏、杉村幸暉、森下浩平、安田秀幸、柳楽知也、吉矢真人、"Fe-Cr-Ni合金の凝固その場観察"、日本鉄鋼協会第170回秋季講演大会、九州大学伊都キャンパス、2015/9/16-18 [Oral]

  4. 森下浩平、*山下祥平、上部伊織、安田秀幸、柳楽知也、吉矢真人、"時間分解X線イメージングを利用したNi基超合金デンドライトの透過率評価"、日本金属学会2015秋季（第157回）講演大会、九州大学伊都キャンパス、2015/9/16-18 [Oral]

  5. *柳楽知也、安田秀幸、中塚憲章、上杉健太朗、竹内晃久、"Sn-Bi合金において超音波振動がデンドライト成長に与える影響"、日本金属学会2015秋季（第157回）講演大会、九州大学伊都キャンパス、2015/9/16-18 [Oral]

  6. *伊藤徳地、森田周吾、安田秀幸、森下浩平、柳楽知也、吉矢真人、"遠心鋳造を模擬したモデルにおける固液共存体のせん断帯形成と固相率分布の関係"、日本金属学会2015秋季（第157回）講演大会、九州大学伊都キャンパス、2015/9/16-18 [Oral]

  7. *安田秀幸、金銅俊矢、山下祥平、柳楽知也、森下浩平、吉矢真人、「デンドライトの液相透過率、温度履歴の評価」日本鉄鋼協会シンポジウム　固液共存体の挙動制御によるマクロ偏析低減研究会「凝固偏析の生成挙動解明と制御技術の進展」、九州大学伊都キャンパス、2015/09/16-18. [Oral]

  8. *柳楽知也、伊藤徳地、安田秀幸、吉矢真人、「Fe-C合金における固液共存体の初期組織が変形および力学挙動に与える影響」日本鉄鋼協会シンポジウム　固液共存体の挙動制御によるマクロ偏析低減研究会「凝固偏析の生成挙動解明と制御技術の進展」、九州大学伊都キャンパス、2015/09 /16-18. [Oral]

  9. *T. Yokoi, M. Yoshiya, H. Yasuda, "Atomistic Analyses on Modification of Diffusion Path Caused by Grain Boundary Segregation in M2O3-Doped ZrO2", The 11th Pacific Rim Conference of Ceramic Societies, ICC Jeju, Jeju, Korea, 2015/08/30-09/04. [Oral]

  10. *S. Fujii, M. Tada, M. Yoshiya, H. Yasuda, "Roles of Each Layer and Bulk-Nano Interfaces on Local and Overall Thermal Conduction in Layered Thermoelectric Cobaltites by Atomistic Simulations", The 11th Pacific Rim Conference of Ceramic Societies, ICC Jeju, Jeju, Korea, 2015/08/30-09/04. [Oral]

  11. *M. Yoshiya, T. Yokoi, H. Yasuda, "Driving Force for Grain Boundary Segregation of Aliovalent Impurities and Oxygen Vacancies and Resultant Ionic Conduction in Zirconia", The 11th Pacific Rim Conference of Ceramic Societies, ICC Jeju, Jeju, Korea, 2015/08/30-09/04. [Oral]

  12. *M. Yoshiya, S. Fujii, A. Yumura, M. Tada. T. Nagira, H. Yasuda, "Mechanisms of thermal conduction and stability of layered thermoelectric oxides by atomistic/electronic simulations", 34th Annual International Conference on Thermoelectrics / 13th European Conference on Thermoelectrics (ICT & ECT 2015), The International Congress Center Dresden, Dresden, Germany, 2015/06/28-07/02. [Oral]

  13. *M. Yoshiya, D. Kanayama, S. Fujii, Y. Miyauchi, M. Tada, T. Nagira, H. Yasuda, "Impact of Interlayer Interaction in Layered Oxide Thermoelectric Materials on Thermoelectric Properties", The 11th Pacific Rim Conference of Ceramic Societies, ICC Jeju, Jeju, Korea, 2015/08/30-09/04. [Invited]

  14. A Prasad, E Liotti, S D McDonald, K Nogita, H Yasuda, P S Grant, *D H StJohn, “Real-time synchrotron x-ray observations of equiaxed solidification of aluminium alloys and implications for modelling”, The 14th international conference on modeling of casting, welding and advanced solidification processes (MCWASP XIV), Awaji islan, Hyogo, Japan, 2015/6/21-26 [Oral]

  15. S Morita, *H Yasuda, T Nagira, C Gourlay, K Morishita, M Yoshiya, A Sugiyama, “Application of a macroscopic model to predict the band segregation induced by shear deformation of semisolid”, The 14th international conference on modeling of casting, welding and advanced solidification processes (MCWASP XIV), Awaji islan, Hyogo, Japan, 2015/6/21-26 [Oral]

  16. *山根功士朗，杉山明，柳楽知也，吉矢真人，安田秀幸、田中勇太、佐藤彰洋、上杉健太朗，竹内晃久、鈴木芳生、本多弘、佐藤健、「過共晶鋳鉄中の グラファイト成長に及ぼすMg量の影響とグラファイトの結晶学的特徴」日本鋳造工学会第166回全国講演大会、早稲田大学、東京、2015/05 /23-24.

  17. *柳楽知也、中塚憲章、安田秀幸、上杉健太朗、"放射光を利用した超音波振動下でのSn-Bi合金の組織形成のその場観察"、日本金属学会2015春季（第156回）講演大会、東京大学駒場Iキャンパス、東京、2015/3/18-20 [Oral]

  18. *森下浩平、浅井拓登、安田秀幸、"熱間加工されたシリコン結晶の再結晶挙動"、日本金属学会2015春季（第156回）講演大会、東京大学駒場Iキャンパス、東京、2015/3/18-20 [Oral]

  19. *柳楽知也、柳井森吾、伊藤徳地、安田秀幸、森下浩平、吉矢真人、"鉄鋼材料の固液共存体における変形挙動のその場観察および力学挙動の評価"、日本鉄鋼協会第169回春季講演大会、東京大学駒場Iキャンパス、東京、2015/3/18-20 [Oral]

  20. *西村友宏、杉村幸暉、森下浩平、安田秀幸、柳楽知也、吉矢真人、"マッシブ的変態におけるδ/γ界面移動速度の炭素濃度依存性"、日本鉄鋼協会第169回春季講演大会、東京大学駒場Iキャンパス、東京、2015/3/18-20 [Oral]

  21. *上部伊織、森下浩平、安田秀幸、柳楽知也、"X線イメージングとEDSによる蛍光X線分析を組み合わせたFe-Cr-Ni系の溶質分配係数その場測定手法の検討"、日本鉄鋼協会第169回春季講演大会、東京大学駒場Iキャンパス、東京、2015/3/18-20 [Oral]

  22. *伊藤徳地、森田周吾、森下浩平、安田秀幸、柳楽知也、吉矢真人、"遠心鋳造を模擬したモデルにおける固液共存体のせん断帯形成"、日本鉄鋼協会第169回春季講演大会、東京大学駒場Iキャンパス、東京、2015/3/18-20 [Oral]

  23. *H. Yasuda, K. Yamane, A. Sugiyama, T. Nagira, M. Yoshiya, K. Morishita, A. Sato, K. Uesugi, A. Takeuchi, Y. Suzuki, “In-Situ and Time-Resolved Imaging for Knowing Influence of Mg Content on Solidification in Hypereutectic Cast Iron, TMS2015 144th Annual Meeting, Orland, Florida, USA, 2015/03/15-19 [Oral, Invited]

  24. *H. Yasuda, K.,Inoue, Y. Minami, T. Nagira, M. Yoshiya, K. Morishita, K. Uesugi, “Influence of the Static Magnetic Field on Dendritic / Columnar Solidification, Observed by X-ray Imaging”, TMS2015 144th Annual Meeting, Orland, Florida, USA, 2015/03/15-19 [Oral, Invited]