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邱 海

邱 海 (QIU, Hai) 0000-0003-2098-3406

Address
305-0047 茨城県つくば市千現1-2-1 [アクセス]

[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]

論文 TSV

2024
  1. Hai Qiu, Rintaro Ueji, Tadanobu Inoue. Suppression of Inhomogeneous Plastic Deformation in Medium-Carbon Tempered Martensite Steel. Metals. 14 [3] (2024) 306 10.3390/met14030306 Open Access
2023
  1. Hai Qiu, Rintaro Ueji, Tadanobu Inoue. Yield-Point Phenomenon and Plastic Bands in Ferrite–Pearlite Steels. Materials. 16 [1] (2023) 195 10.3390/ma16010195 Open Access
  2. Hai Qiu, Tadanobu Inoue. Evolution of Poisson’s Ratio in the Tension Process of Low-Carbon Hot-Rolled Steel with Discontinuous Yielding. Metals. 13 [3] (2023) 562 10.3390/met13030562 Open Access
2021
  1. Hai Qiu, Rintaro Ueji, Tadanobu Inoue, Yuuji Kimura. Plastic Instability in Medium-Carbon Tempered Martensite Steel. Materials. 14 [16] (2021) 4609 10.3390/ma14164609 Open Access
  2. Hai Qiu, Rintaro Ueji, Yuuji Kimura, Tadanobu Inoue. Grain-to-Grain Interaction Effect in Polycrystalline Plain Low-Carbon Steel within Elastic Deformation Region. Materials. 14 [8] (2021) 1865 10.3390/ma14081865 Open Access
  3. Tadanobu Inoue, Hai Qiu, Rintaro Ueji, Yuuji Kimura. Ductile-to-Brittle Transition and Brittle Fracture Stress of Ultrafine-Grained Low-Carbon Steel. Materials. 14 [7] (2021) 1634 10.3390/ma14071634 Open Access
2020
  1. Hai Qiu, Tadanobu Inoue, Rintaro Ueji. Experimental measurement of the variables of Lüders deformation in hot-rolled steel via digital image correlation. Materials Science and Engineering: A. 790 (2020) 139756 10.1016/j.msea.2020.139756
  2. Hai Qiu, Rintaro Ueji, Yuuji Kimura, Tadanobu Inoue. Heterogeneous Distribution of Microstrain Evolved During Tensile Deformation of Polycrystalline Plain Low Carbon Steel. Metals. 10 [6] (2020) 774 10.3390/met10060774 Open Access
  3. Hai Qiu, Tadanobu Inoue, Rintaro Ueji. In-Situ Observation of Lüders Band Formation in Hot-Rolled Steel via Digital Image Correlation. Metals. 10 [4] (2020) 530 10.3390/met10040530 Open Access
  4. Tadanobu Inoue, Hai Qiu, Rintaro Ueji. Through-Thickness Microstructure and Strain Distribution in Steel Sheets Rolled in a Large-Diameter Rolling Process. Metals. 10 [1] (2020) 91 10.3390/met10010091 Open Access
2018
  1. Hai Qiu, Linning Wang, Chengduo Wang, Terumi Nakamura, Tadanobu Inoue. Mechanical Stability of Retained Austenite in Multi-Pass Cr-Ni Weld Metal in an Over-Matching Welded Joint. MATERIALS TRANSACTIONS. 59 [3] (2018) 380-385 10.2320/matertrans.m2017285
2017
  1. Susumu MEGURO, Takashi KIMURA, Terumi NAKAMURA, Hai QIU, Satoshi KAWADA, Kaneaki TSUZAKI. Precision Microanalysis of B toward Actualization of Welded Structure Using B Doped Al-Si-Mn Weathering Steel. QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 35 [2] (2017) 5s-8s 10.2207/qjjws.35.5s Open Access
  2. Haia QIU, Chengduob WANG, Terumi NAKAMURA, Tadanobu INOUE. Evolution of strain field in an over-matching welded joint under tension estimated using digital image correlation. QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 35 [4] (2017) 154-159 10.2207/qjjws.35.154 Open Access
  3. Rintaro Ueji, Hai Qiu, Tadanobu Inoue. Strength and Ductility at High-speed Tensile Deformation of Low-carbon Steel with Ultrafine Grains. MATERIALS TRANSACTIONS. 58 [10] (2017) 1487-1492 10.2320/matertrans.m2017191
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
2015
  1. 井上 忠信, 木村 勇次, 邱 海, 王 成鐸. 超微細粒組織を活用した1800MPa級超高強度鋼のき裂伝播挙動（微視組織制御からの破壊制御の構築）. 日本機械学会論文集. 81 [830] (2015) 15-00281 10.1299/transjsme.15-00281
  2. Songjie Li, Chengduo Wang, Hai Qiu. Single- and few-layer ZrS2 as efficient photocatalysts for hydrogen production under visible light. International Journal of Hydrogen Energy. 40 [45] (2015) 15503-15509 10.1016/j.ijhydene.2015.08.110
  3. Songjie Li, Wenbo Cao, Chengduo Wang, Hai Qiu. Band gap engineering of Ba 5 Nb 4 O 15 for efficient water splitting under visible light. Journal of Alloys and Compounds. 644 (2015) 757-762 10.1016/j.jallcom.2015.05.052
  4. Tadanobu INOUE, Yuuji KIMURA, Hai QIU. Strength-toughness balance of low-alloy steel by fail-safe design. Mechanical Engineering Letters. 1 [0] (2015) 15-00358 10.1299/mel.15-00358
  5. D. Wu, J. G. Qi, Y. Li, H. Qiu. Determination of retained austenite content in Fe–Cr–Ni weld metal. Materials Research Innovations. 19 [sup5] (2015) S5-410 10.1179/1432891714z.0000000001120
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
2009
  1. 花村 年裕, 趙 明純, 邱 海, 殷 福星, 長井 寿. 超微細フェライトセメンタイト鋼のBimodal粒径組織における延性 脆性遷移. 鉄と鋼. 95 [1] (2009) 71-78 10.2355/tetsutohagane.95.71 Open Access
  2. Hai Qiu, Jingang Qi, Fuxin Yin, Kazuo Hiraoka. Determination of parameters for fitting the dilatation curve of austenite-martensite transformation in Cr-Ni steels. ISIJ International. 49 [1] (2009) 146-148 10.2355/isijinternational.49.146 Open Access
2008
  1. 趙　明純, HANAMURA, Toshihiro, YIN, Fuxing, QIU, Hai, NAGAI, Kotobu. Formation of Bimodal-Sized Structure and Its Tensile Properties in a Warm-Rolled and Annealed Ultrafine-Grained Ferrite/Cementite Steel. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE. 39A [7] (2008) 1691-1701
  2. Hai Qiu, Keitaro Enami, Kazuo Hiraoka, Kotobu Nagai, Yukito Hagihara. Static fracture toughness of ultra-fine grained steels processed by thermo-mechanical warm rolling. Journal of Materials Science. 43 [6] (2008) 1910-1913 10.1007/s10853-007-2430-z
2006
  1. Hai Qiu, Reisuke Ito, Kazuo Hiraoka. Role of grain size on the strength and ductile-brittle transition temperature in the dual-sized ferrite region of the heat-affected zone of ultra-fine grained steel. Materials Science and Engineering: A. 435-436 (2006) 648-652 10.1016/j.msea.2006.07.086
  2. Ming-Chun Zhao, Toshihiro Hanamura, Hai Qiu, Ke Yang. Microstructural evolution of submicron sized ferrite in bimodal structural ultrafine grained ferrite/cementite steels by annealing below austenized temperature . Metallurgical and Materials Transactions A. 37 [5] (2006) 1657-1664 10.1007/s11661-006-0107-x
  3. M ZHAO, T HANAMURA, H QIU, K NAGAI, K YANG. Dependence of strength and strength-elongation balance on the volume fraction of cementite particles in ultrafine grained ferrite/cementite steels. Scripta Materialia. 54 [7] (2006) 1385-1389 10.1016/j.scriptamat.2005.11.067
  4. Ming-Chun Zhao, Toshihiro Hanamura, Hai Qiu, Kotobu Nagai, Ke Yang. Grain growth and Hall–Petch relation in dual-sized ferrite/cementite steel with nano-sized cementite particles in a heterogeneous and dense distribution. Scripta Materialia. 54 [6] (2006) 1193-1197 10.1016/j.scriptamat.2005.11.032
2005
  1. Ming-Chun Zhao, Toshihiro Hanamura, Hai Qiu, Ke Yang. Precipitation of Carbonitrides and Their Strengthening upon Non-quench Aging for Micro-alloyed Acicular Ferrite Pipeline Steels. MATERIALS TRANSACTIONS. 46 [4] (2005) 784-789 10.2320/matertrans.46.784
  2. Hai Qiu, Manabu Enoki, Kazuo Hiraoka, Teruo Kishi. Effect of pre-strain on fracture toughness of ductile structral steels under static and dynamic loading. Engineering Fracture Mechanics. 72 [10] (2005) 1624-1633 10.1016/j.engfracmech.2004.11.003
  3. Ming-Chun Zhao, Toshihiro Hanamura, Hai Qiu, Ke Yang. Lath boundary thin-film martensite in acicular ferrite ultralow carbon pipeline steels. Materials Science and Engineering: A. 395 [1-2] (2005) 327-332 10.1016/j.msea.2004.12.041
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

書籍 TSV

2014
  1. HANAMURA, Toshihiro, QIU, Hai. Analysis of Fracture Toughness echannism in Ultra-fine-grained Steels:The Effect of the Treatment Developed in NIMS. NIMS MONOGRAPHS. , 2014, 1-64.
2006
  1. 邱 海, 平岡 和雄. 溶接構造の強度、延性および靱性. 超鉄鋼. , 2006, 43-56.

会議録 TSV

2017
  1. MEGURO, Susumu, KIMURA, Takashi, NAKAMURA, Terumi, QIU, Hai, KAWADA, Satoshi, TSUZAKI Kaneaki. Precision microanalysis of B for improvement of toughness at welded structure of B doped Al-Si-Mn weathering steel. web. (2017) 9999
2016
  1. MEGURO, Susumu, KIMURA, Takashi, NAKAMURA, Terumi, QIU, Hai, KAWADA, Satoshi, TSUZAKI, Kaneaki. Precision Microanalysis of B toward Actualization of Welded Structure Using B Doped Al-Si-Mn Weathering Steel. Proceedings of Visual-JW 2016. (2016) 117-118
  2. MEGURO, Susumu, KIMURA, Takashi, NAKAMURA, Terumi, QIU, Hai, KAWADA, Satoshi, TSUZAKI, Kaneaki. Precision Microanalysis of B toward actualization of B doped Al-Si-Mn weathering steel. Proceedings 10th International Conference on Trends in Welding Research. (2016) 493-496
2008
  1. QIU, Hai, Junhui Yan, Oh-Heon Kwon, Michael A. Sutton. Crack Detection by Digital Image Correlation. Proceedings of 2008 SEM XI International Congress. (2008) 9999
  2. QIU, Hai, QI, Jingang, YIN, Fuxing, HIRAOKA, Kazuo, ZUO, Hong. Measurement of retained austenite content in weld metal. Proceedings of the 8th International Welding Symposium organized by Japan Welding Society. (2008) 9999
2005
  1. ENAMI, Keitaro, NAGAI, Kotobu, INOUE, Tadanobu, TORIZUKA, Shiro, QIU, Hai. Estimation of equivalent stress-equivalent strain relationship after local necking. Proceedings of the 9th Ultra-Steel Workshop. (2005) 186-187

口頭発表 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 招待講演
  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
2018
  1. 徐　平光, 邱 海. Elastoplastic deformation behavior of textured high strength steel after hydrogen charging studied by neutron diffraction. 日本鉄鋼協会第176回秋季講演大会. 2018
2017
  1. 目黒 奨, 木村 隆, 中村 照美, 邱 海, 川田 哲, 津﨑 兼彰. B添加Al-Si-Mn耐候性鋼溶接継手部の靱性向上のためのBの高精度微量分析. 第227回溶接冶金研究委員会. 2017
2016
  1. 邱 海, 井上 忠信, 木村 勇次. Fracture of fail-safe steel. MOST-NIMS Workshop. 2016 招待講演
  2. 井上 忠信, 木村 勇次, 邱 海. 超微細繊維状結晶粒組織鋼の強度・靭性の異方性. 第65期学術講演会. 2016
2015
  1. 目黒 奨, 木村 隆, 中村 照美, 邱 海, 小林 覚, 津﨑 兼彰. B添加Al-Si耐候性鋼の実現に向けた微量 B の分析技術. 日本鉄鋼協会第169回春季講演大会. 2015
  2. 中村 照美, 邱 海, 目黒 奨, 津﨑 兼彰. B 添加Al-Si 耐候性鋼の溶接継ぎ手ボンド部の衝撃靭性. 日本鉄鋼協会2015年春季講演大会. 2015
  3. 目黒 奨, 木村 隆, 中村 照美, 邱 海, 川田 哲, 西尾 満章, 津﨑 兼彰. 極微量Bの機器分析用標準試料の創製と検量線の作成. 第44回表面分析研究会. 2015
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 招待講演
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 招待講演
  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
2012
  1. ヤオ キーウェン, 木村 秀夫, 趙 洪陽, 邱 海, 小澤 清. First Principal Calculation, Magnetic and Transport Properties of Eu Doped Perovskite Ceramic Compound Sr2CoO4. The 8th Asian Meeting on Electroceramics. 2012
  2. 邱 海, 金　裕哲. 溶接金属の優れた破壊特性の実現. 2012国際ウエルディングショー. 2012 招待講演
  3. QIU, Hai, WANG, Linning, NAKAMURA, Terumi, Kazuo Hiraoka. The Effect of Retained Austenite on the Fracture Toughness of Multi-Pass Weld Metal. 溶接学会H24年度春季全国大会. 2012 招待講演
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 招待講演
  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. 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 招待講演
  6. 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
2009
  1. 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
  2. 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
  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 招待講演
  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 招待講演
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
2005
  1. 邱 海, 西村 俊弥, 平岡 和雄. Properties of the welded joints of ultra-fine grained steels. ATS International Steelmaking Conference 2005. 2005
  2. 邱 海, 西村 俊弥, 平岡 和雄. 超細粒耐候性鋼溶接継手部の破壊靭性. 1st International Conference SUPER-HIGH STRENGTH STEELS. 2005
  3. 平岡 和雄, 邱 海, 中村 照美. 超微細粒鋼継手のミクロ組織解析と強度・靭性の向上の新たな試み. 第2回阪大-NIMS連携シンポジウム. 2005 招待講演
  4. QIU, Hai, NISHIMURA, Toshiyasu, HIRAOKA, Kazuo. Strength and ductility of the welded joint of the ultra-fine weathering steel. 第九回超鉄鋼ワークショップ. 2005
  5. 西村 俊弥, 邱 海, 平岡 和雄. 土木用微細粒高強度耐候性鋼の開発とその基本特性. 第９回超鉄鋼ワークショップ. 2005
  6. QIU, Hai, NISHIMURA, Toshiyasu, HIRAOKA, Kazuo. Weldability of ultra-fine weathering steel. 第九回超鉄鋼ワークショップ. 2005
  7. 平岡 和雄, 邱 海. 超微細粒高強度鋼熱影響部の組織とその継手特性. 日本鉄鋼協会　149回春季講演大会. 2005 招待講演
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

その他の文献 TSV

2022
  1. 上路 林太郎, 邱 海, 井上 忠信. 鋼板の結晶方位のばらつきを利用した剛性と残留応力制御. 化学工業. 73 [2] (2022) 104-108
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
2005
  1. Ming-Chun ZHAO, Toshihiro HANAMURA, Hai QIU, Kotobu NAGAI, Yi-Yin SHAN, Ke YANG. Role of non-quench aging on mechanical properties between acicular ferrite and ferrite-pearlite pipeline steels. ISIJ International. 45 [1] (2005) 116-120 10.2355/isijinternational.45.116 Open Access
  2. ENAMI, Keitaro, NAGAI, Kotobu, INOUE, Tadanobu, TORIZUKA, Shiro, QIU, Hai. Estimation of equivalent stress-equivalent strain relationship after local necking. Proceedings of the 9th Ultra-Steel Workshop. (2005) 186-187

公開特許出願 TSV

  1. 高靭性を有する鋼材及びその製造方法、この鋼材を用いた構造用鋼板 (2020)
  2. 耐候性鋼及びこれを用いた溶接継ぎ手 (2014)
  3. 低降伏比高張力鋼とその製造方法 (2002)
  4. 低降伏比高張力鋼の製造方法 (2002)

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