研究業績

公表論文

• Homogeneous Strain Introduction Using Reciprocation Technique in High-Pressure Sliding
  （Masuda Takahiro, Fujimitsu Kazushige, Sumikawa Kosei, Kajita Takahiro, Tang Yongpeng, Hirosawa Shoichi, Takizawa Yoichi, Yumoto Manabu, Otagiri Yoshiharu, Horita Zenji）METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 52, 3860 - 3870 (2021).
• Continuous high-pressure torsion of pure Al and Al-2 wt% Fe alloy using multi-wires
  （Masuda Takahiro, Hirosawa Shoichi, Horita Zenji）JOURNAL OF MATERIALS SCIENCE, 56, 8679 - 8688 (2021).
• Microstructure evolution and mechanical properties of Al-Cu-Li alloys with different rolling schedules and subsequent artificial ageing heat treatment
  （Liu Dan-yang, Li Jin-feng, Liu Tian-le, Ma Yun-long, Iwaoka Hideaki, Hirosawa Shoichi, Zhang Kai, Zhang Rui-feng）Materials Characterization, 170, 110676-1 - 110676-11 (2020).
• Considerable improvement in elastic moduli and the underlying mechanism of Al-Cu-Zn alloy subjected to aging treatments
  （Kasama Ryota, Iwaoka Hideaki, Umeda Yuto, Tang Yongpeng, Hirosawa Shoichi, Watanabe Hiroyuki, Fujita Masashi）Materialia, 14, 100911-1 - 100911-8 (2020).
• Precipitate microstructures, mechanical properties and corrosion resistance of Al-1.0 wt%Cu-2.5 wt%Li alloys with different micro-alloyed elements addition
  （D. Liu, Y. Ma, J. Li, R. Zhang, H. Iwaoka and S. Hirosawa）Materials characterization, 167, 110528, (2020).
• Achieving highly strengthened Al–Cu–Mg alloy by grain refinement and grain boundary segregation
  （T. Masuda, X. Sauvage, S. Hirosawa and Z. Horita）Materials Science and Engineering A, 793, 139668 (2020).
• Development of thermally stable powder metallurgy Al–Mn alloy extrusions and prediction of their terminal strength after prolonged service periods at high temperatures
  （N. Maki, H. Iwaoka and S. Hirosawa）Materials Science and Engineering: A, 793, 139813 (2020).
• Effect of Scan Strategy on Mechanical Properties of AlSi12 Lattice Fabricated by Selective Laser Melting
  （Sairaiji Masahiko, Yoshizaki Hiroshi, Iwaoka Hideaki, Hirosawa Shoichi, Maruo Shoji）JOURNAL OF LASER MICRO NANOENGINEERING, 15, 7 - 11 (2020).
• First-principles calculation of elastic properties of Cu-Zn intermetallic compounds for improving the stiffness of aluminum alloys
  （H.Iwaoka, S.Hirosawa）Computational Materials Science, 174, 109479 (2019).
• Microstructures and the Mechanical Properties of the Al–Li–Cu Alloy Strengthened by the Combined Use of Accumulative Roll Bonding and Aging
  （Yongpeng Tang, Shoichi Hirosawa, Seiji Saikawa, Kenji Matsuda, Seungwon Lee, Zenji Horita, Daisuke Terada）Advanced Science (2019)
• Development of High-Strength Bolt Material of Al–Mg–Si Alloy by ECAP and Various Aging Treatments
  （Tomoyasu Obata, Yongpeng Tang, Hideaki Iwaoka, Shoichi Hirosawa, Keiki Mouri, Masahiko Shimoda）MATERIALS TRANSACTIONS, 60, 1680 - 1687 (2019).
• Effect of pre-aging on artificial age-hardening behavior of Al-Mg-Si alloys with Mg + Si = 1.5 mass%
  （S. Tsukamoto, S. Nakamura, K. Fujiwara, S. Hirosawa, Y. Koshino, and Y. Aruga）Proc. of the 16th International Conference on Aluminum Alloys (ICAA16), 404577, 1 - 6 (2018).
• ECAP加工と各種時効処理によるAl-Mg-Si系合金製高力ボルト素材の開発
  （小畑智靖，唐永鵬，岩岡秀明，廣澤渉一，毛利啓己，下田政彦）軽金属, 68, 65 - 72 (2018).
• 車体の軽量化を実現するアルミニウム合金の自動車部材への適用
  （廣澤渉一）工業材料, 65(12), 26-30, (2017).
• Strengthening of A2024 alloy by high-pressure torsion and subsequent aging
  （I.F.Mohamed, T.Masuda, S.Lee, K.Edalati, Z.Horita, S.Hirosawa, K.Matsuda, D.Terada, M.Z.Omar）Materials Science and Engineering A, 704, 112 - 118 (2017).
• Concurrent strengthening of ultrafine-grained age-hardenable Al-Mg alloy by means of high-pressure torsion and spinodal decomposition
  （ Y.Tang, W.Goto, S.Hirosawa, Z.Horita, S.Lee, K.Matsuda, D.Terada ）Acta Materialia, 131, 57-64, (2017).
• Al-Mg二元系合金の熱力学的解析とスピノーダル線を含む状態図の決定
  （ 古後翔佑, 岩岡秀明, 廣澤渉一 ）軽金属, 67, 173-178, (2017).
• アルミニウム合金の超微細粒強化と時効析出強化を並立させる３つの方策
  （ 廣澤渉一, 唐 永鵬, 堀田善治, 松田健二, 李 昇原, 寺田大将 ）まてりあ, 55, 45-52, (2016).
• Comparative and complementary characterization of precipitate microstructures in Al-Mg-Si(-Li) alloys by transmission electron microscopy, energy dispersive X-ray spectroscopy and atom probe tomography
  ( Y. Koshino, M.Kozuka, S.Hirosawa, Y.Aruga ) Journal of Alloys and Compounds, 622, 765-770, (2015).
• 3次元アトムプローブによるアルミニウム合金中のナノ組織解析
  （ 廣澤渉一、小椋智、芹澤愛、小宮良樹、里達雄 ）軽金属, 64, 542-550, (2014).
• Methods for designing concurrently strengthened severely deformed age-hardenable aluminum alloys by ultrafine-grained and precipitation hardenings
  （ S.Hirosawa, T.Hamaoka, Z.Horita, S.Lee, K.Matsuda, D.Terada ）Metallurgical and Materials Transactions A, 44, 3921-3933 , (2013).
• 超微細粒強化と時効析出強化を並立させる新規アルミニウム合金展伸材の開発とその合金設計指導原理の確立
  （ 廣澤渉一, 濱岡 巧, 堀田善治, 李 昇原, 松田健二, 寺田大将 ） ふぇらむ, 17, 769-774 (2012).
• 高転位密度および超微細粒組織をもつAl-Mg-Si合金で観察される競合析出現象の実験的ならびに計算科学的研究
  （ 増田哲也, 廣澤渉一, 堀田善治, 松田健二 ）日本金属学会誌, 75, 283-290 (2011).
• アルミニウムおよびアルミニウム合金の諸性質 Al-Cu系合金
  （ 廣澤渉一 ） 軽金属, 61, 341-354 (2011).
• Combined effect of pre-straining and pre-aging on bake-hardening behavior of an Al-0.6mass%Mg-1.0mass%Si alloy
  ( T.Masuda, Y.Takaki, T.Sakurai, S.Hirosawa ) Mater.Trans., 52, 325-332 (2010).