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Research papers TSV

2016
  1. Chengduo Wang, Hai Qiu, Yuuji Kimura, Tadanobu Inoue. Morphology, crystallography, and crack paths of tempered lath martensite in a medium-carbon low-alloy steel. Materials Science and Engineering: A. 669 (2016) 48-57 10.1016/j.msea.2016.05.041
  2. Songjie Li, Hai Qiu, Chengduo Wang, Yufu Sun, Xueshan Du, Jingyu Zhao. Highly efficient NaTaO 3 for visible light photocatalysis predicted from first principles. Solar Energy Materials and Solar Cells. 149 (2016) 97-102 10.1016/j.solmat.2016.01.011
2014
  1. Hai Qiu, Toshihiro Hanamura, Shiro Torizuka. Influence of Grain Size on the Ductile Fracture Toughness of Ferritic Steel. ISIJ International. 54 [8] (2014) 1958-1964 10.2355/isijinternational.54.1958 Open Access
  2. Chengduo Wang, Hai Qiu, Tadanobu Inoue, Qiwen Yao. Band gap engineering of SrTiO 3 for water splitting under visible light irradiation. International Journal of Hydrogen Energy. 39 [24] (2014) 12507-12514 10.1016/j.ijhydene.2014.06.059
  3. Chengduo Wang, Hai Qiu, Tadanobu Inoue, Qiwen Yao, Yanwei Ma. Investigation on the effects of native defects on electronic structure in MgB2 by first-principles calculation. Computational Materials Science. 90 (2014) 153-156 10.1016/j.commatsci.2014.04.023
  4. Chengduo Wang, Hai Qiu, Tadanobu Inoue, Qiwen Yao. Electronic structure calculations of I and Mn doped BiOCl with modified Becke–Johnson potential. Computational Materials Science. 85 (2014) 138-141 10.1016/j.commatsci.2013.12.056
  5. Chengduo Wang, Hai Qiu, Tadanobu Inoue, Qiwen Yao. Highly active SrTiO3 for visible light photocatalysis: A first-principles prediction. Solid State Communications. 181 (2014) 5-8 10.1016/j.ssc.2013.11.026
2013
  1. Chengduo Wang, Hai Qiu, Tadanobu Inoue. Delaminating Crack Paths in Ultrafine, Elongated Ferritic Steel. ISIJ International. 53 [12] (2013) 2272-2274 10.2355/isijinternational.53.2272 Open Access
  2. H. Qiu, L.N. Wang, H. Zuo, K. Hiraoka. Validity of strain-induced martensite transformation in enhancing fracture behavior of Cr–Ni weld metal at different temperatures and in different stress states. Materials Science and Engineering: A. 586 (2013) 93-99 10.1016/j.msea.2013.08.022
  3. Hai QIU, Terumi NAKAMURA, Linning WANG, Chengduo WANG, Kazuo HIRAOKA. Impact behavior of 980 MPa grade Cr-Ni weld metal composed of martensite and retained austenite. QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 31 [3] (2013) 216-221 10.2207/qjjws.31.216
  4. H. Qiu, L.N. Wang, J.G. Qi, H. Zuo, K. Hiraoka. Enhancement of fracture toughness of high-strength Cr–Ni weld metals by strain-induced martensite transformation. Materials Science and Engineering: A. 579 (2013) 71-76 10.1016/j.msea.2013.05.012
  5. H Qiu, J G Qi, L N Wang, F X Yin, K Hiraoka. Thermal stability of retained austenite in Cr–Ni weld metals at low temperatures. Materials Science and Technology. 29 [5] (2013) 594-597 10.1179/1743284712y.0000000194
  6. H. Qiu, L.N. Wang, H. Zuo, G. Arakane, K. Hiraoka. Optimization of the content of retained austenite in Fe–(0.01–0.045)C–14Cr–(4–9)Ni weld metals for strength–ductility balance. Materials Science and Engineering: A. 565 (2013) 102-111 10.1016/j.msea.2012.12.020
  7. Hai Qiu. Integration of Temperature, Stress State, and Strain Rate for the Ductility of Ductile Metals. MATERIALS TRANSACTIONS. 54 [4] (2013) 626-629 10.2320/matertrans.m2012389
  8. Hai Qiu, Linning Wang, Toshihiro Hanamura, Shiro Torizuka. Physical interpretation of grain refinement-induced variation in fracture mode in ferritic steel. ISIJ International. 53 [2] (2013) 382-384 10.2355/isijinternational.53.382 Open Access
2012
  1. Hai QIU, Linning WANG, Hong ZUO, Goro ARAKANE, Fuxing YIN, Kazuo HIRAOKA. Enhanced Low-Temperature Tensile Properties of Fe-14Cr-(4~9)Ni Weld Metal by Retained Austenite. QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 30 [2] (2012) 171-179 10.2207/qjjws.30.171
  2. Qiwen Yao, Hideo Kimura, X. L. Wang, Kosta Konstantinov, Hongyang Zhao, Hai Qiu, Rumi Tanahashi, Kiyoshi Ozawa, S. X. Dou. Density of states, magnetic and transport properties of Nd doped two dimensional perovskite compound Sr2CoO4. Journal of Applied Physics. 111 [7] (2012) 07D708 10.1063/1.3672825
  3. H. Qiu, L.N. Wang, T. Hanamura, S. Torizuka. Prediction of the work-hardening exponent for ultrafine-grained steels. Materials Science and Engineering: A. 536 (2012) 269-272 10.1016/j.msea.2011.11.064
2004
  1. QIU, Hai, KAWAGUCHI, YOSHIAKI, 志賀千晃, 榎学, KISHI, Teruo, Y. Kawaguchi, C. Shiga, M. Enoki. A high-strength and low-yield-ratio carbon steel bar processed by thermo-mechanical rolling. Materials Science and Technology. 20 [9] (2004) 1158-1160 10.1179/026708302225005864
  2. H. Qiu, Y. Kawaguchi, C. Shiga. Fracture behavior of ultra-fine grained steel bar under dynamic loading. Journal of Materials Science. 39 [11] (2004) 3733-3737 10.1023/b:jmsc.0000030727.88023.5f

Presentations TSV

2021
  1. 邱 海, 上路 林太郎, 井上 忠信. デジタル画像相関性によるオーバーマッチ溶接接手の変形挙動. 第63回塑性加工学会の技術懇談会「塑性加工における高度な材質データを取得する実験研究」. 2021 Invited
  2. 徐平光, 石島暖大, 邱 海, S. Morooka, W. Gong, S. Harjo. Neutron diffraction texture evaluation of hydrogen charged high strength steel after uniaxial tensile deformation. 鉄鋼協会 2021年春季(第181回)講演大会. 2021
2019
  1. QIU, Hai, INOUE, Tadanobu, NAKAMURA, Terumi. Deformation behavior of over-matching welded joint evaluated by digital image correlation. 溶接構造シンポジウム2019-デジタル技術が開く溶接構造化技術の革新. 2019
  2. 邱 海, 井上 忠信, 中村 照美, デジタルイメージ相関性分析による溶接継手変形挙動の解析. 第7回 構造材料研究拠点シンポジウム. 2019
2014
  1. 邱 海. 画像相関性分析による破壊現象の解析. 第14回NIMSフォーラム. 2014 Invited
2013
  1. 井上 忠信, 木村 勇次, 邱 海, ワン チンド. 超微細低炭素鋼の強靭化. 日本金属学会2013年秋期(第153回)講演大会. 2013 Invited
  2. WANG, Chengduo, QIU, Hai, INOUE, Tadanobu. Observation on the crack propagation in ultrafine elongated grain ferritic steels. 9th International Conference on Fracture and Strength of Solids. 2013
2010
  1. 邱 海, 左 宏, 平岡 和雄. Ni-Cr系溶接金属の破壊形態に及ぼす残留γの影. 溶接学会 平成22年度秋季全国大会. 2010
  2. 花村 年裕, 邱 海, 殷 福星, 長井 寿. フェライト/セメンタイト鋼のBimodal 粒径組織における脆性破壊表面エネルギーの評価. 製鋼第19委員会 製鋼計測化学研究会. 2010
  3. 邱 海, 花村 年裕, 左 宏, 鳥塚 史郎. フェライト鋼の微細粒化と破壊靭性. 第一回構造材料国際クラスターシンポジウム. 2010 Invited
  4. 左 宏, 邱 海, 殷 福星, 平岡 和雄. 溶接金属における残留γの変態に及ぼす温度の影響. 平成22年度溶接学会春季全国大会. 2010
  5. QIU, Hai, HANAMURA, Toshihiro, ZUO, Hong, TORIZUKA, Shiro. Influence of grain size on ductile fracture toughness. 日本鉄鋼協会第159回 春季講演大会. 2010
  6. 邱 海. 従来型溶接用鋼と異なるAl-Si鋼の破壊特性. 2010年春期(第146回)大会講演. 2010 Invited
2009
  1. ZUO, Hong, QIU, Hai, YIN, Fuxing, Kazuo Hiraoka. Mechanical Stability of Retained Austenite in Weld Metal. 21年度秋季全国大会. 2009
  2. QIU, Hai, NAKAMURA, Terumi, MEGURO, Susumu, TSUKAMOTO, Susumu, TSUZAKI, Kaneaki, Kazuo Hiraoka. Weld Bond Toughness in Al-Si Steel. 21年度秋季全国大会. 2009
  3. 邱 海, 中村 照美, 目黒 奨, 左 宏, 西村 俊弥, 塚本 進, 津﨑 兼彰, 平岡 和雄. Al-Si鋼ボンド部の破壊特性. NIMS WEEK 2009. 2009 Invited
  4. 邱 海, 殷 福星, 左 宏, 平岡 和雄. 高Ni、Cr系クリーン溶接金属における靱性改善に及ぼす誘起変態効果の計測・検証. 鉄鋼材料の革新的高強度・高機能化基盤研究開発 第1回シンポジウム. 2009 Invited
2008
  1. QIU, Hai. Measurement of retained austenite content in weld metal. 第8回国際溶接シンポジウム(8WS). 2008
  2. QIU, Hai. Crack Detection by Digital Image Correlation. 2008 SEM XI International Congress & Exposition. 2008
2004
  1. QIU, Hai, 萩原行人, HIRAOKA, Kazuo, NAGAI, Kotobu. Charpy Impact Toughness of Weld Bond of Ultra-Fine Grained Steels. 超鉄鋼ワークショップ2004. 2004

Misc TSV

2013
  1. NAKAMURA, Terumi, HIRAOKA, Kazuo, QIU, Hai. Clean MIG welding using coaxial multilayer solid wire. Welding Guide Book 7 Technical Commision on Welding Process JWS. 7 (2013) III-79-III-85
2012
  1. 中村 照美, 平岡 和雄, 邱 海. 同軸複層ワイヤによるクリーンMIG溶接. (社)溶接学会溶接法ガイドブック7 「溶接プロセスの可視化・シミュレーション技術」. (2012) III-75-III-80
2006
  1. ZHAO, Ming-Chun, HANAMURA, Toshihiro, QIU, Hai, YIN, Fuxing, HAN DONG, KE YANG, NAGAI, Kotobu. Low Absorbed Energy Ductile Dimple Fracture in Lower Shelf Region in an Ultrafine Grained Ferrite/Cementite Steel. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE. 37A (2006) 2897-2900
  2. 森 久史, 富永 誉也, 松井 元英, 邱 海, 辻村 太郎. Ni-Cr-Mo鋼ブレーキディスクの摩擦熱影響により発生する微視熱き裂の観察. 日本金属学会誌. 70 [10] (2006) 785-789 10.2320/jinstmet.70.785

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