2020
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Mesoscopic nature of serration behavior in high-Mn austenitic steel
○Sukyoung Hwang, Myeong-heom Park, Yu Bai, Akinobu Shibata, Wenqi Mao, Hiroki Adachi, Masugu Sato, Nobuhiro TsujiFeburary 2021 in Acta Materialia, Vol.205, 116543
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Tensile Deformation of Ultrafine-Grained Fe-Mn-Al-Ni-C Alloy Studied by In Situ Synchrotron Radiation X-ray Diffraction
Si Gao, Takuma Yoshimura, Wenqi Mao, Yu Bai, Wu Gong, Myeong-heom Park, Akinobu Shibata, Hiroki Adachi, Masugu Sato, Nobuhiro TsujiDecember 2020 in Crystals, Vol.10, No.1115.
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Challenging Ultra Grain Refinement of Ferrite in Low-C Steel Only by Heat Treatment
Myeong-heom Park, Akinobu Shibata, Nobuhiro TsujiNovember 2020 in Frontiers in Materials, Vol.7, No.604792.DOI: 10.3389/fmats.2020.604792
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Crystallographic analysis of fatigue fracture initiation in 8Ni-0.1C martensitic steel
Kazuho Okada, Akinobu Shibata, Yasunari Takeda, Nobuhiro TsujiFeburary 2021 in International Journal of Fatigue, Vol. 143, 105921DOI: 10.1016/j.ijfatigue.2020.105921
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Deformation mechanism of bimodal microstructure in Ti-6Al-4V alloy: The effects of intercritical annealing temperature and constituent hardness
Yan Chong, Tilak Bhattacharjee, Yanzhong Tian, Akinobu Shibata, Nobuhiro TsujiApril 2021 in Journal of Materials Science & Technology, Vol. 71, pp. 138-151DOI: 10.1080/21663831.2020.1796836
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Heterostructured materials: superior propertiesfrom hetero-zone interaction
Yuntian Zhu, Kei Ameyama, Peter M. Anderson, Irene J. Beyerlein, HuajianGao, Hyoung Seop Kim, Enrique Lavernia, Suveen Mathaudhu, HaelMughrabi , Robert O. Ritchie, Nobuhiro Tsuji, Xiangyi Zhang & Xiaolei WuSeptember 2020 in Materials Research Letters, Volume 9, pp. 1-31DOI: 10.1080/21663831.2020.1796836
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A Concentrated AlCl3−Diglyme Electrolyte for Hard and Corrosion-Resistant Aluminum Electrodeposits
Zelei Zhang, Atsushi Kitada, Si Gao, Kazuhiro Fukami, Nobuhiro Tsuji, Zhengjun Yao, and Kuniaki MuraseSeptember 2020 in ACS Appl. Mater. Interfaces, Vol. 12, pp. 43289−43298.DOI: 10.1021/acsami.0c12602
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Significant transitions of mechanical properties by changing temperature in Cu-Al alloys with heterogeneous microstructures
H.R. Lin, Y.Z. Tian, S.J. Sun, Z.J. Zhang, Y. Bai, J.T. Lug, Z.F. Zhang and N. TsujiOctober 2020 in Materials Characterization, Vol. 168 (2020), 110546DOI: 10.1016/j.matchar.2020.110546
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Neutron diffraction monitoring of ductile cast iron under cyclic tension–compression
Stefanus Harjo, Satoru Kubota, Wu Gong, Takuro Kawasaki, Si GaoSeptember 2020 in IOP Conference Series: Acta Materialia, Vol. 196 (2020), pp. 584-594DOI: 10.1016/j.actamat.2020.07.016 -
Deformation behavior study in a model dual phase system of copper–martensitic steel using in-situ synchrotron X-ray diffraction
M Teimouri, A Godfrey, B Yu and N TsujiJuly 2020 in IOP Conference Series: Materials Science and Engineering, Vol. 895, 012002DOI: 10.1088/1757-899X/895/1/012002
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Enhanced mechanical properties in β-Ti alloy aged from recrystallized ultrafine β grains
Bingjie Zhang, Yan Chong, Ruixiao Zheng, Yu Bai, Reza Gholizadeh, Mingda Huang, Dong Wang, Qiaoyan Sun, Yunzhi Wang, Nobuhiro Tsuji:October 2020 in Materials & Design, Vol. 195, 109017DOI: 10.1016/j.matdes.2020.109017
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Transition of dominant deformation mode in bulk polycrystalline pure Mg by ultra-grain refinement down to sub-micrometer
Ruixiao Zheng, Jun-Ping Du, Si Gao, Hidetoshi Somekawa, Shigenobu Ogata, Nobuhiro Tsuji:October 2020 in Acta Materialia, Vol. 198, pp. 35-46DOI: 10.1016/j.actamat.2020.07.055 -
Grain refinement mechanisms in BCC ferritic steel and FCC austenitic steel highly deformed under different temperatures and strain rates
Reza Gholizadeh, Akinobu Shibata, Nobuhiro Tsuji:July 2020 in Materials Science & Engineering A, Vol. 790, 139708.DOI: 10.1016/j.msea.2020.139708
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Strain-dependence of deformation microstructures in ultra-low-C IF steeldeformed to high strains by torsion at elevated temperatures
Reza Gholizadeh, Daisuke Terada, Akinobu Shibata, Nobuhiro Tsuji:March 2020 in Nano Materials Science, Vol.2, pp. 83-95.DOI: 10.1016/j.nanoms.2020.03.005
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Yield strength and misfit volumes of NiCoCr and implications for short-range-order
Binglun Yin, Shuhei Yoshida, Nobuhiro Tsuji, and W. A. Curtin:May 2020 in Nature Communications, 11, No.2507.DOI: 10.1038/s41467-020-16083-1
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Investigation on the Microstructure and Mechanical Properties of Ti-1.0Fe Alloy with Equiaxed α + β Microstructures
Yan Chong, Ruixiao Zheng, Guanyu Deng, Akinobu Shibata, and Nobuhiro Tsuji:April 2020 in Metallurgical and Materials Transactions A, Vol.51 (2020), pp. 2851-2862DOI: 10.1007/s11661-020-05760-x
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Plastic strain-induced sequential martensitic transformation
Shaolou Wei, Jinwoo, Kim, Jaclyn Leigh Cann, Reza Gholizadeh, Nobuhiro Tsuji, Cemal Cem Tasan:August 2020 in Scripta Materialia, Vol. 185 (2020), pp. 36-41DOI: 10.1016/j.scriptamat.2020.03.060
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Effect of Cobalt-Content on Mechanical Properties of Non-Equiatomic Co–Cr–Ni Medium Entropy Alloys
Shuhei Yoshida, Takuto Ikeuchi, Yu Bai, Nobuhiro Tsuji:April 2020 in MATERIALS TRANSACTIONS, Vol. 61 (2020), Issue 4, pp. 587-595DOI: 10.2320/matertrans.MT-MK2019004
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Effect of Elemental Combination on Microstructure and Mechanical Properties of Quaternary Refractory Medium Entropy Alloys
Qian He, Shuhei Yoshida, Hideyuki Yasuda, Nobuhiro Tsuji:
April 2020 in MATERIALS TRANSACTIONS, Vol. 61 (2020), Issue 4, pp.577-586.
DOI: 10.2320/matertrans.MT-MK2019003 -
Termination of local strain concentration led to better tensile ductility in multilayered 2N/4N Al sheet
Xiaojuan Jiang, Yu Bai, Ling Zhang, Guilin Wu, Si Gao, Xiaoxu Huang, Nobihiro Tsuji:
April 2020 in Materials Science & Engnieering A, 782 (2020), No.139240.
DOI: 10.1016/j.msea.2020.139240 -
Two-stage Hall-Petch relationship in Cu with recrystallized structure
Y.Z. Tiana, Y.P. Ren, S. Gao, R.X. Zhenge J.H. Wang, H.C. Pan, Z.F. Zhang, N. Tsuji, G.W. Qin:
July 2020 in Journal of Materials Science & Technology, Vol. 48, pp.31-35.
DOI: 10.1016/j.jmst.2019.12.023
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Microstructural evolution and mechanical properties of nanostructured Cu/Ni multilayer fabricated by accumulative roll bonding
Yufeng Sun, Yao Chen, Nobuhiro Tsuji, Shaokang Guan
April in Journal of Alloys and Compounds, Vol. 819, No.152956.
DOI: 10.1016/j.jallcom.2019.152956
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Strategy for managing both high strength and large ductility in structural materials–sequential nucleation of different deformation modes based on a concept of plaston
Nobuhiro Tsuji, Shigenobu Ogata, Haruyuki Inui, Isao Tanaka, Kyosuke Kishida, Si Gao, Wenqi Mao, Yu Bai, Ruixiao Zheng, Jun-Ping
May 2020 in Scripta Materialia, Vol. 181, pp. 35-42
DOI: 10.1016/j.scriptamat.2020.02.001 -
Effect of initial dislocation density on hydrogen accumulation behavior in martensitic steel
Yuji Momotani, Akinobu Shibata, Takashi Yonemura, Yu Bai, Nobuhiro Tsuji
March 2020 in Scripta Materialia, Vol. 178, pp. 318-323
DOI: 10.1016/j.scriptamat.2019.11.051 -
Influence of Fe addition in CP titanium on phase transformation, microstructure and mechanical properties during high pressure torsion
Guanyu Deng; Tilak Bhattacharjee; Yan Chong; Ruixiao Zheng; Yu Bai; Akinobu Shibata; Nobuhiro Tsuji
May 2020 in Journal of Alloys and Compounds, Vol. 822, Issue 5, 153604
DOI: 10.1016/j.jallcom.2019.153604 -
Unique high-temperature deformation dominated by grain boundary sliding in heterogeneous necklace structure formed by dynamic recrystallization in HfNbTaTiZr BCC refractory high entropy alloy
Rajeshwar R.Eleti; Atul H.Chokshi; Akinobu Shibata; Nobuhiro Tsuji
Jan 2020 in Acta Materialia, Vol. 183, Issue 15, pp. 64-77
DOI: 10.1016/J.ACTAMAT.2019.11.001
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異種変形モードの核生成制御による高強度・高延性金属の実現
辻伸泰、下川智嗣、志澤一之、村山光宏:
まてりあ (Materia Japan) - 第60巻 第1号 2021年1月
https://www.jim.or.jp/journal/m/60/01/
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Ultra-Grain Refinement of High Entropy Alloys
Shuhei Yoshida, Takuto Ikeuchi, Bhattacharchar Tilak, Bai Yu, Akinobu Shibata, Nobuhiro Tsuji:
March 2020 in Journal of the Japan Society of Powder and Powder Metallurgy, 67 (2020), pp. 113-120
DOI: 10.2497/jjspm.67.113
Under Construction
Under Construction
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粒径の異なるDual-Phase鋼における変形・破壊挙動
○田鎖悠一，朴明験，柴田曉伸，辻伸泰
日本鉄鋼協会 第179回講演大会
ポスターセッション
2020年3月18日
東京工業大学大岡山キャンパス 東工大蔵前会館
ポスター，奨励賞 -
京都大学工学研究科吉田研究奨励賞
受賞者：吉田周平（D3）受賞日：2020.10.16
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Possibility of Bulk Nanostructured Metals as Advanced Structural Material
○辻伸泰
2020 Silk Road International Conference on the Cooperation and Integration of Industry, Education Research and Application
2020.12.11
オンライン開催 -
Nanocrystalline twip steel with superior mechanical properties fabricated by cold rolling and annealing
○Nobuhiro Tsuji
The 3rd symposium for the core research clusters for materials science and spintronics
Sendai International Cetnter, Japan
2020.2.11
Under Construction
Under Construction
Under Construction
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セレーション挙動の解明 －高強度・高延性を示す高Mn鋼の変形の本質に迫る－
研究者：Sukyoung Hwang, Myeong-Heom Park, Yu Bai, Akinobu Shibata, Wenqi Mao, Hiroki Adachi, Masugu Sato, Nobuhiro Tsuji
掲載媒体：京都大学HP
URL：https://www.kyoto-u.ac.jp/ja/research-news/2020-12-25
掲載年月日： 2020年12月25日
関連論文：https://doi.org/10.1016/j.actamat.2020.116543 -
高Mn鋼の変形観察 セレーション挙動の解明 －京大など成功－
研究者：Sukyoung Hwang, Myeong-Heom Park, Yu Bai, Akinobu Shibata, Wenqi Mao, Hiroki Adachi, Masugu Sato, Nobuhiro Tsuji
掲載媒体： 科学新聞
掲載年月日： 2021年1月15日
関連論文： https://doi.org/10.1016/j.actamat.2020.116543
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鉄鋼材料基礎 〜鉄鋼材料の魅力とその科学
○辻伸泰
日本鉄鋼協会関西支部・日本金属学会関西支部 2020年度材料セミナー
2020年12月4日
オンライン開催
Under Construction
Under Construction
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BL46XU
2020/12/04 ~ 2020/12/05
SPring-8
朴明験、Guo Baoqi -
BL19 (TAKUMI)
2020/12/2 ~ 2020/12/6
J-PARC
辻伸泰 -
BL19 (TAKUMI)
2020/01/23 ~ 2020/01/27
J-PARC
辻伸泰
Under Construction