論文

• Tomo Ogura, Shoichi Hirosawa, Akio Hirose, Tatsuo Sato. Effects of Microalloying Tin and Combined Addition of Silver and Tin on the Formation of Precipitate Free Zones and Mechanical Properties, Materials Transactions, Vol. 52, No. 5, pp. 900-905, Apr. 2011.
• Tomo Ogura, Shoichi Hirosawa, Alfred Cerezo, Tatsuo Sato. Atom probe tomography of nanoscale microstructures within precipitate free zones in Al-Zn-Mg(-Ag) alloys, Acta Materialia, Vol. 58, pp. 5714-5723, 2010.
• A.Serizawa, S.HIROSAWA, T.SATO. Three-Dimensional Atom Probe Characterization of Nanoclusters Responsible for Multistep, Metallurgical and materials transactions A., Vol. 39A, No. 2, pp. 243-251, Feb. 2008.
• 大村知也　廣澤渉一　里　達雄　鈴木義和. Al-Mg-Cu(-Ag)合金における析出相分解過程, まてりあ, Vol. 45, No. 12, pp. 861, Dec. 2006.
• 廣澤渉一　里　達雄　G. J. Shiflet　松田健二. メルトスピニング法によって作製した Al-Ni-Gd 系金属ガラスのナノ組織観察, まてりあ, Vol. 45, No. 12, pp. 860, Dec. 2006.
• 小宮良樹, 廣澤渉一, 里 達雄. 3DAPによるAl-Zn合金の室温時効における溶質集合体のナノスケール解析, 軽金属, Vol. 56, No. 11, pp. 662-666, Nov. 2006.
• 廣澤渉一, 大村知也, 里 達雄, 鈴木義和. Al-3%Mg-1%Cu合金の時効硬化およびナノ析出組織に及ぼすAg添加の影響, 軽金属, Vol. 56, No. 11, pp. 673-679, Nov. 2006.
• 小椋 智, 廣澤渉一, 里 達雄. Al-Zn-Mg(-Ag)合金の耐力および伸びに及ぼす粒界近傍の析出組織の影響, 軽金属, Vol. 56, No. 11, pp. 644-650, Nov. 2006.
• S. Hirosawa, Y. Oguri, T. Sato. Experimental and computational investigation of formation of precipitate free zones in an Al-Cu alloy, Materials Transactions, Vol. 46, No. 6, pp. 1230-1234, June 2005.
• 廣澤 渉一, 里 達雄. モンテカルロ・シミュレーションによる合金の相分解挙動解析, 軽金属, Vol. 54, No. 3, pp. 121-127, Mar. 2004.
• T. Ogura, S. Hirosawa, T. Sato. Quantitative characterization of precipitate free zones in Al-Zn-Mg(-Ag) alloys by microchemical analysis and nanoindentation measurement, Sci. Tech. Adv. Mater., No. 5, pp. 491-496, 2004.
• A.Cerezo, S.Hirosawa, I.Rozdilsky, G.D.W.Smith. Combined atomic-scale modelling and experimental studies of nucleation in the solid state, Phil. Trans. R. Soc. Lond., Vol. A361, pp. 463-477, 2003.
• Shoichi Hirosawa. Roles of Microalloying Elements on the Cluster Formation in the Initial Stage of Phase Decomposition of Al-Based Alloys, Metallurgical and Materials Transactions A, Vol. 34, pp. 2745-2755, 2003.
• S.Hirosawa, T.Sato. Atomistic behavior of microalloying elements in phase decomposition of Al based alloys, Materials Science Forum, Vol. 396-402, pp. 649-654, 2002.
• S.Hirosawa, T.Sato. Development of Al based alloys by microalloying elements, Proc. of the 4th Japanese-Polish Joint Seminar on Materials Analysis, pp. 27-28, 2002.
• K.Hirose, S.Hirosawa, T.Sato. Effects of quenched-in excess vacancies and microalloying elements on phase decomposition of Al-Cu alloys, Materials Science Forum, Vol. 396-402, pp. 795-800, 2002.
• Shoichi Hirosawa. Monte Carlo computer simulation of the atomistic behavior of microalloying elements in Al-Li alloys, Modelling and Simulation in Materals Science and Engineering, Vol. 9, pp. 129-141, 2001.
• J.Yokota, S.Hirosawa, T.Sato, A.Kamio. Computer simulation of the effects of trace-additional Cu and Mg elements on the delta' phase precipitation in an Al-Li alloy, Light Metals Review, Vol. 7, pp. 24-29, 2000.
• Shoichi Hirosawa. Classification of the role of microalloying elements in phase decomposition of Al based alloys, Acta Materialia, Vol. 48, pp. 1797-1806, 2000.
• 横田純一, 廣澤渉一, 里 達雄, 神尾彰彦. Al-Li合金のδ'相析出に及ぼすCuおよびMg微量添加の影響の計算機シミュレーション, 軽金属, Vol. 49, No. 2, pp. 51-56, Feb. 1999.
• T.Sato, S.Hirosawa, A.Kamio. Role of microalloying elements in phase decomposition of Al based alloys, Proc. of Int. Conf. on Solid-Solid Phase Transformations (JIMIC-3), Vol. 12, pp. 161-164, 1999.
• Shoichi Hirosawa, Tatsuo Sato, Junichi Yokota, Akihiko Kamio. Comparison Between Resistivity Changes and Monte Carlo Simulation for GP Zone Formation in Al-Cu Base Ternary Alloys, Materials Transactions, JIM, Vol. 39, No. 1, pp. 139-146, Jan. 1998.
• Shoichi Hirosawa. Effects of Mg addition on the kinetics of low-temperature precipitation in Al-Li-Cu-Ag-Zr alloys, Materials Science and Engineering A, Vol. 242, pp. 195-201, 1998.
• Shoichi HIROSAWA, Tatsuo SATO, Akihiko KAMIO, Kazuhiro KOBAYASHI, Toshimasa SAKAMOTO. Effects of additional elements and quenching conditions on the T1 phase precipitation in Al-1.3%Li-5.5%Cu-0.13%Zr Alloys (Translation), Light Metals Review, Vol. 4, pp. 14-20, 1997.
• 廣澤渉一, 里 達雄, 神尾彰彦, 小林一徳, 坂本敏正. Al-1.3%Li-5.5%Cu-0.13%Zr系合金におけるT1相の粒内析出に及ぼす微量添加元素および焼入れ条件の影響, 軽金属, Vol. 46, No. 3, pp. 119-125, Mar. 1996.
• Shoichi Hirosawa. Low-temperature precipitation of Al-Li-Cu alloys containing additional elements, Materials Science Forum, Vol. 217-222, pp. 839-844, 1996.
• Shoichi Hirosawa. Kinetics of low-temperature precipitation in Al-Li-Cu alloys containing additional elements, Int. Symp. on Advanced Materials and Technology for the 21st Century, pp. 31, 1995.
• Shoichi Hirosawa. Effects of Mg addition on precipitation hardening of Al-Li-Cu-Zr alloys containing Ag, Proc. of the 4th Int. Conf. on Aluminum Alloys, Vol. 2, pp. 199-204, 1994.

著書

• 廣澤渉一, 里　達雄. ナノマテリアル工学大系　第２巻ナノ金属　第７章　第４節モンテカルロ法を用いた計算機シミュレーション, (株)フジ・テクノシステム, pp. 465-472, Jan. 2006.

国際会議発表 (査読なし・不明)

• S.Hirosawa, T.Omura, Y.Suzuki, T.Sato. Improvement of Bake-Hardening Response of Al-Mg-Cu Alloys by means of Nanocluster Assist Processing (NCAP) Technique, Materials Science Forum, Vol. 519-521, pp. 215-220, July 2006.
• Y.Suzuki, T.Omura, S.Hirosawa, T.Sato. Formability and Bake-hardenability of Al-Mg-Cu Alloy Sheets by Asymmetric Warm Rolling, Materials Science Forum, Vol. 519-521, pp. 1505-1510, July 2006.
• A.Serizawa, S.Hirosawa, T.Sato. 3DAP Characterization and Thermal Stability of Nano-Scale Clusters in Al-Mg-Si Alloys, Materials Science Forum, Vol. 519-521, pp. 245-250, July 2006.
• Y.Komiya, S.Hirosawa, T.Sato. 3DAP Analysis and Computer Simulation of Nanocluster Formation in the Initial Aging Stage of Al-Zn Alloys, Materials Science Forum, Vol. 519-521, pp. 437-442, July 2006.
• T.Ogura, S.Hirosawa, A.Cerezo, T.Sato. Quantitative Correlation between Strength, Ductility and Precipitate Microstructures with PFZ in Al-Zn-Mg(-Ag, Cu) Alloys, Materials Science Forum, Vol. 519-521, pp. 431-436, July 2006.
• G.Sha, S.Hirosawa, A.Morley, A.Cerezo, G.D.W.Smith, D.Ellis, T.Williams. Characterization of segregation and precipitation at grain boundaries in thermally aged pressure vessel steels, Proceedings of The Joint 19th International Vacuum Nanoelectronics Conference and 50th International Field Emission Symposium, pp. 523-524, July 2006.
• G.Sha, A.Morley, S.Hirosawa, A.Cerezo, G.D.W.Smith, D.Ellis, T.Williams. Thermal ageing effect of pressure vessel steel, Proceedings of The Joint 19th International Vacuum Nanoelectronics Conference and 50th International Field Emission Symposium, pp. 93-94, July 2006.
• A. Serizawa, S. Hirosawa, T. Sato. 3DAP characterization of nanoclusters in Al-Mg-Si alloys, 6th Japanese-Polish Joint Seminar on Materials Analysis, Abstract book. of 6th Japanese-Polish Joint Seminar on Materials Analysis, pp. 19-20, Sept. 2006.
• S. Hirosawa, G.J. Shiflet, T. Sato, K. Matsuda. HRTEM observation and 3DAP analysis of nano-scale microstructures in melt-spun Al-Ni-Gd metallic glasses, 16th Int. Microscopy Congress, Proc. of 16th Int. Microscopy Congress, pp. 800, Sept. 2006.
• shoichi hirosawa. Nano-scale characterization of precipitate microstructures in low alloy steels and aluminum alloys by three-dimensional atom probe, Abstract of Tsinghua University - Tokyo Institute of Technology Nanotech Joint Symposium, pp. 13, Mar. 2006.
• S. Hirosawa, T. Sato. Nano-scale clusters formed in the early stage of phase decomposition of Al-Mg-Si alloys, Materials Science Forum, No. 475-479, pp. 357-360, 2005.
• T. Sato, S. Hirosawa. Control of nano-precipitates in age-hardenable aluminum alloys and their mechanical properties, Materials Science Forum, No. 475-479, pp. 337-342, 2005.
• Shoichi Hirosawa. Formation mechanisms of precipitate free zones in age-hardenable Al alloys, Proc. of 9th Int. Conf. on Aluminum Alloys, pp. 666-671, 2004.
• T. Ogura, S. Hirosawa, T. Sato. Quantitative Analysis of the Vicinity of Grain Boundaries with Precipitate Free Zone in Al-Zn-Mg (-Ag) Alloys, Proc. of 9th Int. Conf. on Aluminum Alloys, pp. 1061-1066, 2004.
• F. Nakamura, S. Hirosawa, T. Sato. Effects of Si and Ge addition on the Al3Zr precipitates in an Al-0. 6mass%Zr Alloy, Proc. of 9th Int. Conf. on Aluminum Alloys, pp. 582-587, 2004.
• T.Sato, K.Hirose, S.Hirosawa. Nano-cluster Controlled Precipitation in Al-Cu and Al-Mg-Si Alloys Containing Microalloying Elements, Proc. of 9th Int. Conf. on Aluminum Alloys, pp. 956-962, 2004.
• Y.Suzuki, A.Hibino, T.Muramatsu, S.Hirosawa, T.Sato. Bake-Hardenability of Al-Mg-Cu-X (Ag,Zn,Si) Alloy Sheets, Proc. of 9th Int. Conf. on Aluminum Alloys, pp. 258-263, 2004.
• S.Hirosawa, A.Cerezo, G.D.W.Smith. DAP analysis and computer simulation of phase decomposition in thermally aged low alloy steels, Proc. of 7th workshop on the Ultra-Steel: Requirements from New Design of Constructions, pp. 98-103, 2003.

国内会議発表 (査読なし・不明)

• 廣澤渉一, 里　達雄, A.Cerezo, G.D.W.Smith. 3次元アトムプローブによる低合金鋼およびアルミニウム合金のナノ組織解析, 日本鉄鋼協会第13回ヤングサイエンティストフォーラム「ツールとしての組織解析技術-I」講演論文集, Vol. 13, pp. 13, Mar. 2006.

その他の論文・著書など

• 廣澤渉一, 中村文滋, 里 達雄, 星野敏春. アルミニウム合金中の原子間，原子-空孔間相互作用エネルギーの第一原理計算とマイクロアロイング元素の挙動予測, 軽金属, Vol. 56, No. 11, pp. 621-628, Nov. 2006.
• 廣澤渉一, 里　達雄. マイクロアロイングによるアルミニウム合金の微細組織制御技術 ―モンテカルロ計算機シミュレーションによる理論予測の可能性と問題点―, 金属, Vol. 73, No. 3, pp. 191-195, 2003.

学位論文

• Microstructure Evolution and Role of Microalloying Elements in Phase Decomposition of Al-Li-Cu Base Alloys,  Thesis,  Doctor of Engineering,  Tokyo Institute of Technology,  1998/03/26,   

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