News & Events

2020

2020/12/25
Press Release
The content of Hwang's paper published in Acta Materialia has been posted on the Kyoto University website.
Click here to read the article that was posted(external link).
2020/12/24
Publication
A paper shown below by Hwang has been published in Acta Materialia, Vol.205.
"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 Tsuji: Acta Materialia, 205 (2021), 116543.
2020/12/24
Lab Meeting
Research report by B4 students (Asada, Suzumura, Maegawa and Lin)
2020/12/21
New member join
Bhukya Devendar Singh Rathod：12/1 Enrolled as a research student
2020/12/21
Lab Meeting
Research Report by Wang (M2), Matsumiya (M2) and Yamazaki (M2)
2020/12/14
Lab Meeting
Research Report by Tagusari (M2) and Kayama (M2)
2020/12/11
External lecture
Prof. Tsuji participated in "2020 Silk Road International Conference on the Cooperation and Integration of Industry, Education Research and Application" and gave a keynote lecture entitled "Possibility of Bulk Nanostructured Metals as Advanced Structural Material"
2020/12/11
New members join
Four new members have joined our laboratory.
Kang: 10/21 Re-entered Japan
Go Jongbin: 11/1 Enrolled in the doctoral course
Wing Sum LAU: 12/1 Enrolled as a research student
Jiankun LIU: 12/1, Enrolled as a research student
2020/12/08
Publication
A paper shown below by Gao has been published in Crystals, Vol.10.
"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 Tsuji: Crystals, Vol.10 (2020), No.1115.
2020/12/04
External lecture
Prof. Tsuji gave a lecture at the materials seminar hosted by the Kansai Branch of the Iron and Steel Institute of Japan and the Kansai Branch of the Japan Institute of MetalsProf. Tsuji gave a lecture at the materials seminar hosted by the Kansai Branch of the Iron and Steel Institute of Japan and the Kansai Branch of the Japan Institute of Metals
2020/12/04
Experiments in Special Facilities
Park and Baoqi performed experiments on 12/4 at Spring-8.
2020/12/02-06
Experiments in Special Facilities
We performed experiments using neutron diffraction from 12/2 to 12/6 at J-PARC.
2020/11/29
Lab Meeting
Research report by Maegawa (B4) and Lin (B4)
2020/11/26
Publication
A paper shown below by Park has been published in Frontiers in Materials, Vol.7.
"Challenging Ultra Grain Refinement of Ferrite in Low-C Steel Only by Heat Treatment" ○Myeong-heom Park, Akinobu Shibata, Nobuhiro Tsuji: Frontiers in Materials, 7 (2020), No.604792.
2020/11/26
Lab Meeting
Research report by Asada (B4) and Suzumura (B4)
2020/11/19
Lab Meeting
Teatime seminar by Hashino (M1) and Matsumiya (M2)
2020/11/16
Lab Meeting
Teatime seminar by Yamashita (M1) and Sun (M1)
2020/11/12
Lab Meeting
Teatime seminar by Hakamata (M1) and Kang (M1)
2020/11/09
Lab Meeting
Research report by He (D2) and Sun (M1)
2020/11/06
Publication
A paper shown below by Okada has been published in International Journal of Fatigue, Vol.143.
"Crystallographic analysis of fatigue fracture initiation in 8Ni-0.1C martensitic steel" ○Kazuho Okada, Akinobu Shibata, Yasunari Takeda, Nobuhiro Tsuji: International Journal of Fatigue, Vol.143 (2021), 105921
2020/11/05
Lab Meeting
Teatime seminar by Lin (B4) and Maegawa (B4)
2020/11/02
Lab Meeting
Research report by Hashimoto (M1) and Reza (Post-doctoral Fellow)
2020/10/30
Lab Meeting
Teatime seminar by Asada (B4) and Suzumura (B4)
2020/10/26
Lab Meeting
Research report by Hashino (M1) and Guo (Post-doctoral Fellow)
2020/10/22
Lab Meeting
Teatime seminar by Yamazaki (M2) and Wang (M2)
2020/10/19
Lab meeting
Research report by Hakamata (M1) and Yamshita (M1)
2020/10/16
Award
Yoshida (D3) was awarded the Yoshida Research Encouragement Award at the Graduate School of Engineering, Kyoto University.
2020/10/15
Lab Meeting
Introduction of graduation thesis by Lau, Devendar and Liu
2020/10/09
Publication
A paper shown below by Chong has been published in Journal of Materials Science & Technology, Vol. 71.
"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 Tsuji: Journal of Materials Science & Technology, Vol. 71 (2021), pp. 138-151
2020/10/08
Lab Meeting
Teatime seminar by Tagusari (M2) and Kayama (M2)
2020/10/05
Lab Meeting
Safety lecture was held in this laboratory.
2020/09/30
Publication
A paper shown below collaborated by Gao and Tsuji has been published in ACS Appl. Mater. Interfaces, Vol. 12.
"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 Murase: ACS Appl. Mater. Interfaces, Vol. 12 (2020), pp. 43289−43298.
2020/09/30
Publication
A paper shown below collaborated by Tsuji has been published in Materials Research Letters, Vol. 9.
"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 Wu: Materials Research Letters, Vol. 9 (2020), pp. 1-31
2020/09/16
Domestic Conference ( ISIJ & JIM )
2020/09/11
Lab Meeting
2nd Rehersal for ISIJ and JIM Autumn Meeitng
2020/09/08
Event
Research subjects for the undergraduate students have been decided.
2020/09/03
Lab Meeting
1st Rehersal for ISIJ and JIM Autumn Meeitng
2020/09/01
Event
Four undergraduate members have passed the entrance exam for the master course. Congratulations !!
2020/08/22
Publication
A paper shown below by Yanzhong Tian’s student has been published in Materials Characterization, Vol. 168.
"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. Tsuji: Materials Characterization, Vol. 168 (2020), 110546
2020/08/22
Publication
A paper shown below by Harjo has been published in Acta Materialia, Vol. 196.
"Neutron diffraction monitoring of ductile cast iron under cyclic tension–compression" ○Stefanus Harjo, Satoru Kubota, Wu Gong, Takuro Kawasaki, Si Gao: Acta Materialia, Vol. 196 (2020), pp. 584-594
2020/08/17
Publication
A paper shown below collaborated by Bai has been published in IOP Conference Series: Materials Science and Engineering, Vol. 895.
"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 Tsuji: IOP Conference Series: Materials Science and Engineering, Vol. 895 (2020), 012002
2020/08/11
Publication
A paper shown below by Bingjie has been published in Materials & Design, Vol. 195.
"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: Materials & Design, Vol. 195 (2020), 109017
2020/08/07
Publication
A paper shown below by Zheng has been published in Acta Materialia, Vol. 198.
"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: Acta Materialia, Vol. 198. (2020), pp. 35-46
2020/07/29
Lab Meeting
Research report by Kang (M1), Go (Resarcher) and Gong (ESISM Associate Professor)
2020/07/28
Event
M2 members presented their Mid-term Research Reports.
2020/07/22
Lab Meeting
2nd Rehearsal for mid-term report by M2 students
2020/07/16
Lab Meeting
1st Rehearsal for mid-term report by M2 students
2020/07/13
Lab Meeting
Research Report by Yamashita (M1) and Hakamata (M1)
2020/07/06
Lab Meeting
Research Report by Hshimoto (M1), Hashino (M1)
2020/06/29
Lab Meeting
We held a safety lecture online
2020/06/25
Lab Meeting
Teatime Seminnar by Tagusari (M2) and Avala (D2/D3)
2020/06/22
Lab Meeting
Research Report by Matsumiya (M2) and Sun (M1)
2020/06/16
Publication
A paper shown below by Reza has been published in Materials Science & Engineering A, Vol. 790.
"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: Materials Science & Engineering A, Vol. 790. (2020), 139708.
2020/06/11
Lab Meeting
Teatime seminar by Kang (M1) and Hwang (D3)
2020/06/09
Publication
A paper shown below by Reza has been published in Nano Materials Science, Vol.2.
"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: Nano Materials Science, Vol.2 (2020), pp. 83-95.
2020/06/08
Lab Meeting
Research Report by Tagusari (M2), Kayama (M2) and Wang (M2)
2020/06/04
Lab Meeting
Teatime Seminar by Okada(D2) and Matsumiya(M2)
2020/06/01
Lab Meeting
Research report by Yamazaki (M2)
2020/05/25
Lab Meeting
Research report by Guo (Post Doc.) and Lan (D3)
2020/05/21
Publication
A paper shown below collaborated by Yoshida has been published in Nature Communications, Vol.11.
"Yield strength and misfit volumes of NiCoCr and implications for short-range-order" ○Binglun Yin, Shuhei Yoshida, Nobuhiro Tsuji, and W. A. Curtin: Nature Communications, Vol.11 (2020), No.2507.
2020/05/21
Lab Meeting
Research report by Avala (D2/D3) and Kim (Reseacher)
2020/05/14
Publication
A paper shown below by Chong has been published in Metallurgical and Materials Transactions A, Vol.51.
"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: Metallurgical and Materials Transactions A, Vol.51 (2020), pp.2851-2862.
2020/05/14
Lab Meeting
Teatime Seminar by Yamashita(M1), He(D2) and Yoshida(D3)
2020/05/11
Lab Meeting
Research report by He(D2) and Hwang(D3)
2020/05/01
Event
May 1 Professor, Dr. Akinobu Shibata has moved from Kyoto University to NIMS (National Institute for Materials Science) in Tsukuba. He leads his own group as a group leader in NIMS. We all deeply appreciate to his great contributions to our group. We wish and believe his future success and development. Let’s keep collaborating.
2020/04/30
Publication
A paper shown below from a collaboration between Reza and Cem Tasan of MIT has been published in Scripta Materialia Vol. 185.
"Plastic strain-induced sequential martensitic transformation" Shaolou Wei, Jinwoo, Kim, Jaclyn Leigh Cann, Reza Gholizadeh, Nobuhiro Tsuji, Cemal Cem Tasan: Script Materialia, Vol. 185 (2020), pp. 36-41
2020/04/30
Lab Meeting
Teatime seminar by Wang(M2), Hashimoto(M1) and Mao(D3)
2020/04/27
Lab Meeting
Research report by Reza(Post doc.) and Okada(D2)
2020/04/23
Lab Meeting
Teatime seminar by Kayama(M2) and Hashino(M1)
2020/04/20
Lab Meeting
Research report by Yoshida(D3) and Mao(D3)
2020/04/14
Award
A poster shown below by Tagusari received an encouragement award in the poster session of the 179th Annual Meeting of the Iron and Steel Institute of Japan.
"Deformation and Fracture Behavior of Dual-Phase Steels with Different Grain Size" ○Yuichi Tagusari, Myeong-heom Park, Akinobu Shibata, Nobuhiro Tsuji
2020/04/11
Event
Four B4 students has been assigned (Asada, Suzumura, Maegawa, Lin).
2020/04/01
Event
New M1 students have been assigned. (Hakamata, Hashino, Hashimoto, Yamashita, Sun, Kang)
2020/04/01
Event
Go Jongbin has joined as a research student.
2020/03/25
Publication
Two papers shown below by Yoshida and He have been published in MATERIALS TRANSACTIONS, Vol. 61
"Effect of Cobalt-Content on Mechanical Properties of Non-Equiatomic Co–Cr–Ni Medium Entropy Alloys" Shuhei Yoshida, Takuto Ikeuchi, Yu Bai, Nobuhiro Tsuji: MATERIALS TRANSACTIONS, Vol. 61 (2020), Issue 4, pp. 587-595

"Effect of Elemental Combination on Microstructure and Mechanical Properties of Quaternary Refractory Medium Entropy Alloys" Qian He, Shuhei Yoshida, Hideyuki Yasuda, Nobuhiro Tsuji: MATERIALS TRANSACTIONS, Vol. 61 (2020), Issue 4, pp. 577-586

2020/03/24
Event
B4's graduation: Chiba, Hakamata, Hashino, Hashimoto and Yamashita
2020/03/23
Event
Master's degree awarded: Ikeuchi, Oki, Shima, Fujimura and Deng
2020/03/20
Publication
A paper shown below by Jiang has been published in Materials Science & Engnieering A, 782
"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: Materials Science & Engnieering A, 782 (2020), No.139240.
2020/03/15
Publication
A paper shown below by Yoshida has been published in Journal of the Japan Society of Powder and Powder Metallurgy, Vol. 67
"Ultra-Grain Refinement of High Entropy Alloys" Shuhei Yoshida, Takuto Ikeuchi, Bhattacharchar Tilak, Bai Yu, Akinobu Shibata, Nobuhiro Tsuji: Powder Powder Metallurgy, Vol. 67 (2020), pp. 113-120
2020/03/06
Publication
A paper shown below by Tian has been published in Journal of Materials Science & Technology, Vol. 48
"Two-stage Hall-Petch relationship in Cu with recrystallized structure" Y.Z. Tiana, Y.P. Ren, S. Gao, R.X. Zheng, J.H. Wang, H.C. Pan, Z.F. Zhang, N. Tsuji, G.W. Qin: Journal of Materials Science & Technology, 48 (2020), pp.31-35.
2020/03/06
Publication
A paper shown below by Sun has been published in Journal of Alloys and Compounds, Vol. 819
"Microstructural evolution and mechanical properties of nanostructured Cu/Ni multilayer fabricated by accumulative roll bonding" Yufeng Sun, Yao Chen, Nobuhiro Tsuji, Shaokang Guan: Journal of Alloys and Compounds, Vol. 819 (2020), No.152956.
2020/03/04
Domestic Conferense ( ISIJ, JIM )
The 179th ISIJ Meeting and 2020 JIM Spring Meeting were canceled due to coronavirus problem, but all the abstracts submitted will be published in summary book and are deemed to have been presented at the meeting.
2020/02/27
International Conference ( TMS2020 ) 
2020/02/26
Publication
3 papers shown below by Lavakumar, Tsuji, Yoshida has been published in IOP Conference Series: Materials Science and Engineering, Vol. 580
"In-situ neutron diffraction study on the deformation of a TRIP-assisted multi-phase steel composed of ferrite, austenite and martensite"A Lavakumar, M H Park, S Gao, A Shibata, Y Okitsu, W Gong, S Harjo and N Tsuji, IOP Conference Series: Materials Science and Engineering, Vol. 580, 2019, pp.403-408.

"Linking local and heterogeneous deformation behavior to global deformation of materials by in-situ experimental techniques"Nobuhiro Tsuji, Myeong-heom Park, Si Gao, Yu Bai and Yan Chong, IOP Conference Series: Materials Science and Engineering, Vol. 580, 2019, pp.155-165.

"Deformation microstructures and strength of face-centered cubic high/medium entropy alloys"Shuhei Yoshida, Takuto Ikeuchi, Yu Bai, Akinobu Shibata, Niels Hansen, Xiaoxu Huang and Nobuhiro Tsuji, IOP Conference Series: Materials Science and Engineering, Vol. 580, 2019, pp.523-528.

2020/02/21
Publication
A paper shown below by Tsuji has been published in Scripta Materialia.
"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 Du: Scripta Materialia, 181 (2020),  35-42
2020/02/20
Lab Meeting
Research Report by Guo ( Post doctral fellow )
Rehersal for TMS2020  by Gao ( Professor ), Hwang ( D2 )
2020/02/18
Event
Master thesis presentations theses were carried out in Department of Materials Science and Engineering.  Five M2 students of our lab made good presentations on Feb. 18.
2020/02/14
Lab Meeting
Second rehersal for master thesis presentation by all M2 students
2020/02/11
International Conference
The 3rd symposium for the core research clusters for materials science and spintronics
2020/02/10
Lab Meeting
First rehersal for master thesis presentation by all M2 students
2020/02/07
Event
M2 students ( Ikeuchi, Oki, Shima, Deng, Fujimura ) submitted their master's thesis.
2020/02/06
Lab Meeting
Rehersal of oral examination by Sun and Kang (Research students)
2020/01/31
Lab Meeting
Teatime seminar by Yamazaki (M1), Kayama (M1), Matsumiya (M1)
2020/01/23-27
Experiments in Special Facilities
We performed experiments using neutron diffraction from 1/23 to 1/27 at J-PARC.
2020/01/25
Publication
A paper shown below by Momotani has been published in Scripta Materialia.
"Effect of initial dislocation density on hydrogen accumulation behavior in martensitic steel" Yuji Momotani, Akinobu Shibata*, Takashi Yonemura, Yu Bai, Nobuhiro Tsuji: Scripta Materialia, 178 (2020) 318-323.
2020/01/20
Lab Meeting
Research Report by Kim (POSCO), Teatime seminar by Wang (M1), Lan (D2)
2020/01/16
Lab Meeting
Research Report by Avala (D1/D2), Teatime seminar by He (D1), Okada (D1)
2020/01/14-15
Event
Mid-term report presentations of graduation theses were carried out in Department of Materials Science and Engineering.  Five undergraduate students of our lab made good presentations on Jan. 14.
2020/01/10
Lab Meeting
2nd Rehersal for Presentation by Chiba (B4), Hakamata (B4), Hashino (B4), Hashimoto (B4), Yamashita (B4)
2020/01/07
Publication
A paper shown below by Guanyu Deng has been published in J. of Alloys & Compounds.
"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: Journal of Alloys and Compounds, 822 (2020) 153604.
2020/01/06
Lab Meeting
Rehersal for Presentation by Chiba (B4), Hakamata (B4), Hashino (B4), Hashimoto (B4), Yamashita (B4)