News & Events

2025

2025/11/04
International Conference
Tsuji, Gao, and Honglu Xu joined in NanoSPD9 2025 held in Beijing. Please refer to the link below for more information.
Conference HP
2025/10/30
Publication
A paper shown below by Dr. Okada (NIMS), an alumnus of our laboratory, has been published in Acta Materialia.
"Origin of the trade-off relationship between tensile strength and hydrogen embrittlement resistance"〇Kazuho Okada, Yukihisa Watase, Myeong-heom Park, Kaneaki Tsuzaki, Akinobu Shibata, Acta Materialia, 303 (2026), 121683​​​​​​​
2025/10/30
Event
Dr. Oh Myunghoon (Gyeongbuk Industry-academy Convergence Institute) visited our laboratory.
2025/10/20
Lab Meeting
Research introduction by Goto (B4), Sato (B4) and Hirano (B4), Research report by Wang. X (D3)
2025/10/19
Lab Trip
Lab members went on a lab trip to Kanazawa, Ishikawa.
Picture taken at Kenrokuen
2025/10/18
Publication
A paper shown below by Park has been published in Materials Science and Engineering: A.
"Grain size-dependent Lüders band dynamics in low-carbon steels: Combined insights from digital image correlation and in-situ synchrotron X-ray diffraction"〇Myeong-heom Park, Si Gao, Nobuhiro Tsuji: Materials Science and Engineering: A, 947 (2025), 149288
2025/10/16
Lab Meeting
Tea-time seminar by Oishi (M2) and Iitsuka (M2)
2025/10/14
Lab Meeting
Research report by Lau (D3) and Chai (Research student)
2025/10/09
Lab Meeting
Tea-time seminar by Dono (D1) and Honglu (D1)
2025/10/06
Lab Meeting
Research report by Wang. C (D3)
2025/10/02
Lab Meeting
Research report by Suzumura (D3) and Hamshini (D3)
2025/09/25
Award
Gao winned the Acta/Scripta Certificate of Excellence in Reviewing 2024.
Picture of the certificate
 
2025/09/24
Event
Fu (D3) was awarded the doctor's degree.
Doctoral degree thesis theme
"Unveiling Tensile Behavior of Cu/Fe Laminated Metal Composite (LMC) Having Mechanical Contrast between Layers"
Picture
2025/09/22
Award
A poster shown below by Baba (M1) winned the JIMM Poster Award in the 177th JIMM Fall Meeting.
"集束イオンビーム加工と画像相関法を用いた局所応力分布の定量評価", 〇馬場 一誠、朴 明験、八子 早保、辻 伸泰
2025/09/19
Domestic Conference
Tsuji, Gao, Reza, Park, Yin, Gabriel, Dono, Lau, Yan, Xu Jianan, Kato, Oishi, Kobayashi, Iitsuka, Harada, Aranami, Maeda, Sekiguchi, Baba, Nakatani participated in the JIM Fall Meeting and the ISIJ Fall Meeting held at Hokkaido University. Please refer to the link below for more information.
Presentation From This Lab
JIMM
ISIJ
2025/09/18
Publication
A paper shown below by Gao and Chinese collaborators has been published in Scripta Materialia.
"Cryogenic amplification of the HDI effect enhances strength-ductility synergy in layered heterostructures"〇Xiaochong Lu, Hao Ran, Juchuan Fan, Si Gao, Nobuhiro Tsuji, Qingyuan Wang, Guohua Fan, Chongxiang Huang: Scripta Materialia, 271 (2026), 116990
2025/09/18
Award
A poster shown below by Aranami (M1) winned the poster encouragement award of the ISIJ Fall Meeting.
”BCC鉄の転位組織発達と加工硬化挙動に与える固溶炭素の影響” 〇荒浪 健人、吉田 周平、辻 伸泰
Picture of the certificate
2025/09/16
Lab Meeting
Research report by HongJia Zhao
2025/09/12
International Conference
Tsuji, Liu, Dono, Oishi, and Harada joined in ICOMAT2025 held in Prague, Czech Republic. Please refer to the link below for more information.
Conference HP
2025/09/10
Publication
A paper shown below by Chong has been published in Acta Materialia.
"Mechanistic origin of oxygen-induced twin suppression in titanium"〇Yan Chong, Tomohito Tsuru, Reza Gholizadeh, Andrew M. Minor, Nobuhiro Tsuji: Acta Materialia, 301 (2025), 121523
2025/09/06
Publication
A paper shown below by Wang has been published in International Journal of Plasticity.
"Novel approach to achieve gigapascal level yield strength and large uniform elongation in metastable β-Ti alloys"〇Xiu-Qun Wang, Yan Chong, Masatoshi Mitsuhara, Nobuhiro Tsuji: International Journal of Plasticity, 194 (2025), 104466
2025/09/05
Lab Meeting
2nd rehearsal for JIM/ISIJ
2025/09/01
Lab Meeting
Research report by Suzumura (D3), Rehearsal for ICOMAT
2025/08/29
Publication
A paper shown below by Hwang has been published in Journal of Materials Science & Technology.
"Dynamics of Portevin-Le Chatelier banding revealed through grain refinement in high-Mn austenitic steel: Sequential overcoming of necking"〇Sukyoung Hwang, Myeong-heom Park, Yu Bai, Takumi Suzumura, Ryo Asada, Avala Lavakumar, Jesada Punyafu, Akinobu Shibata, Hiroki Adachi, Toshiyuki Fujii, Nobuhiro Tsuji: Journal of Materials Science & Technology, 254 (2026), 234
2025/08/29
Lab Meeting
Research report by Yoshida (Assistant Professor) and Park (Assistant Professor)
2025/08/28
Lab Meeting
1st rehearsal for JIM/ISIJ
2025/08/21
Publication
A paper shown below by Yoshida has been published in Materials & Design.
"Ultra-grain-refinement of face-centered cubic high/medium-entropy alloys: Approaching the limit of grain refinement through severe plastic deformation and recrystallization"〇Shuhei Yoshida, Nokeun Park, Kohei Shiotani, Yu Bai, Tomoaki Niiyama, Akinobu Shibata, Tomotsugu Shimokawa, Nobuhiro Tsuji: Materials & Design, 258 (2025), 114622
2025/08/08
Lab Meeting
Research report by Gao (Associate Professor)
2025/08/05
Lab Meeting
Rehearsal for PhD defense by Fu (D3)
2025/08/01
Lab Meeting
Research report by Lau (D3)
2025/07/30
Lab Meeting
Research report by Chu (JSPD Post-doctoral Fellow) and Reza (Foundation A Assistant Professor)
2025/07/25
Lab Meeting
Research report by Yako (Program-Specific Professor) and Liu (Postdoctoral Fellow)
2025/07/22
Lab meeting
1st rehearsals for PhD defense by Fu (D3) and for entrance exam by Xu Shuo (M2), Li Xiang (M2) and Kato (M2)
2025/07/20
Publication
A paper shown below by Park and collaborators has been published in Metallurgical and Materials Transactions A.
"Role of Detwinning on Macroscopic Strain Localization in Magnesium Alloy"〇Jongbin Go, Myeong-heom Park, Si Gao, Saho Yako, Nobuhiro Tsuji: Metallurgical and Materials Transactions A, Volume 56, 4377-4390, (2025)
2025/07/15
Lab meeting
2nd rehearsal for M2 mid-term
2025/07/14
Lab meeting
Research report by Maeda (M1) and Sekiguchi (M1)
2025/07/09
Publication
Yoshida summarized a paper manuscript for the results studied by Ueda-san, who was our M alumnus now working in Toyota Motor, and the paper was published in International Journal of Hydrogen Energy.
"Effect of lattice defects on hydrogen storage properties of HfNbTiZr medium entropy alloy"〇Tatsuya Ueda, Shuhei Yoshida, Shivam Dangwal, Łukasz Gondek, Kazuhiro Fukami, Ludmila Kučerová, Karel Saksl, Kaveh Edalati, Nobuhiro Tsuji: International Journal of Hydrogen Energy, 155 (2025), 150292
2025/07/08
Lab Meeting
Research report by Aranami (M1) and Nakatani (M1)
2025/07/07
Lab Meeting
Research report by Shimuta (M1), Baba (M1) and Wang.X (D3)
2025/07/03
Lab Meeting
teatime seminar by Xu Shuo (M2), Gabriel (D3) and Dono (D1)
2025/07/01
International Conference
Tsuji joined in THERMEC'2025 (International Conference on PROCESSING & MANUFACTURING OF ADVANCED MATERIALS Processing, Properties, Fabrication and Applications) held in Tours, France. Please refer to the link below for more information.

Conference HP

2025/06/30
Lab meeting
Teatime seminar by Harada (M2), Kato (M2) and Wang Chunyu (D3)
2025/06/27
Lab meeting
1st rehearsal for M2 mid-term
2025/06/23
Publication
A paper shown below by Park has been published in Journal of Materials Research and Technology.
"Grain size effects on strain localization and fracture behavior in ferrite–martensite dual-phase steels characterized by digital image correlation analysis"〇Myeong-heom Park, Yuichi Tagusari, Akinobu Shibata, Nobuhiro Tsuji: Journal of Materials Research and Technology, 37 (2025), 2258
2025/06/20
Lab Meeting
Research report by Xu Honglu (D1) and Gabriel (D3)
2025/06/16
Lab Meeting
Research report by Harada (M2) and Dono (D1)
2025/06/16
International Conference
Park joined in GCIM2025 (Global Conference of Innovation Materials 2025) held in Jeju International convention center, Jeju, Korea. Please refer to the link below for more information.
Conference HP
2025/06/13
Seminars and Lectures
Prof. Alexey Vinogradov of Kumamoto University, Japan and Prof. Dmytro Orlov of Lund University, Sweden gave seminars which are parts of the activity of KAKENHI International Leading program. The titles of each seminar are as follows.
"Understanding twinning-assisted strain hardening" (Prof. Alexey Vinogradov) 
"Elasto-Plastic Transition Mechanisms in Harmonic Structures" (Prof. Dmytro Orlov)
Picture
2025/06/12
Lab Meeting
Research report by Hamshini (D3), Kobayashi (M2) and Suzumura (D3)
2025/06/11
Seminars and Lectures
Tsuji gave a lecture at 39th basic courses for heat treatment engineers organized by the Japan Society for Heat Treatment Seibu Branch.
2025/06/11
Seminars and Lectures
Prof. Dmytro Orlov of Lund University, Sweden, gave a seminar titled "Understanding Degradation Mechanisms in Magnesium with Advanced Characterization", which is a part of the activity of KAKENHI International Leading program.
2025/06/09
Event
Mr. Hirokazu Kato (Nippon Steel Corporation), an alumnus of our laboratory, visited our laboratory.
2025/06/09
Lab Meeting
Research report by Xu Jianan (M2) and Kato (M2)
2025/06/07
Seminars and Lectures
Tsuji gave the following two lectures at the mini-international symposium (SMMM 10) organized by the Society of Materials Science, Japan, held at Kyoto Research Park.
・Characteristic Dislocation Slips in Polycrystalline HfNbTiZr Equi-Atomic Alloy
・Possible Reason for Unexpected Dynamic Transformation
SMMM 10
2025/06/06
International Conference
ICSMA 20, organized by the executive committee led by Tsuji, was held on June 2-6 at the Kyoto International Conference Center. 
Please refer to the link below for more information.
In addition, many participants visited our laboratory during the conference.
ICSMA 20
Picture taken at the conference
2025/05/30
Lab Meeting
Research report by Xu Shuo (M2) and Li Xiang (M2)
2025/05/27
Event
Mr. Yuji MOMOTANI (Mitsubishi Heavy Industries), an alumnus of our laboratory, visited our laboratory.
Picture
2025/05/26
Lab Meeting
Rehearsal for ICSMA20
2025/05/16
Publication
A paper shown below by Gao has been published in Materials Research Letters.
"Polymer-like double necking deformation in an FeCoCrV medium entropy alloy"〇Si Gao, Yao Xiao, Jiankun Liu, Reza Gholizadeh, Myeong-Heom Park, Shuhei Yoshida, Wenqi Mao, Yanzhong Tian, Nobuhiro Tsuji: Materials Research Letters, (2025), 1-10
2025/05/15
Lab Meeting
Teatime seminar by Baba (M1), Oishi (M2) and Sekiguchi (M1)
2025/05/12
Lab Meeting
Research report by Iitsuka (M2), Kobayashi (M2) and Liang (Visiting PhD student)
2025/05/09
Lab Meeting
Research report by Xu Hang (Visiting PhD student) and Oishi (M2)
2025/05/08
Lab Meeting
Teatime seminar by Iitsuka (M2) and Maeda (M1)
2025/05/01
Publication
A paper shown below by Zheng (Beihang University, Beijing, China) has been published in Acta Materialia.
"Extraordinary hardening-by-annealing in bulk ultrafine grained magnesium with ultra-low yttrium addition"〇Ruixiao Zheng, Maowen Liu, Junping Du, Hongbo Xie, Wu Gong, Yangyang Cheng, Shigenobu Ogata, Nobuhiro Tsuji: Acta Materialia, 293 (2025), 121098
2025/04/30
News
Dr. Guohua ZHAO has left the laboratory to become Professor at Southeast University in Nanjing, China.
2025/04/29
BBQ Party
Lab members had a BBQ party.
Picture taken at the BBQ party
2025/04/28
Lab Meeting
Research report by Wang Chunyu (D3) and Yin (PD fellow)
2025/04/24
Lab meeting
Teatime seminar by Aranami (M1) and Nakatani (M1)
2025/04/21
Lab Meeting
Research report by Hamshini (D3) and research introduction by Zhuo (Visiting Scholor)
2025/04/18
Lab Meeting
Research report by Fu (D3)
2025/04/17
Lab Meeting
Teatime seminar by Li Xiang (M2) and Xu Honglu (D1)
2025/04/10
Welcome Party for New Members
Lab members had a welcome party for new members.
Picture taken at the party
2025/04/10
Lab Meeting
First meeting with new members.
2025/04/08
Event
New B4 (Goto, Sato, Hirano, Yagami, Yamamura) have been assigned to our lab.
2025/04/05
News
Ms. LAU Wing Sum has been staying for collaborative research with Prof. Xiaoxu HUANG’s group at Chongqing University, Chongqing, China from April 5 to May 29, which is a part of the activity of KAKENHI International Leading program.
2025/04/01
News
There were the following transfers as of April 1, 2025.
・Hwang: Institute of Science Tokyo (former Tokyo Institute of Technology), Assistant professor (Fujii Lab)
・Yan: The University of Osaka, Post doctoral fellows (Nakano Lab)
・Yako: Kyoto University, Program-Specific Assistant Professor (Tsuji Lab)
・Liu: Kyoto University, Program-Specific Researcher (Tsuji Lab)
2025/04/01
Event
New M1 (Aranami, Shimuta, Sekiguchi, Nakatani, Baba, Maeda) have been assigned to our lab.
2025/04/01
Seminars and Lectures
Tsuji visited Northeastern University in Shenyang, China where 3 alumni of our laboratory (Prof. ZHAO Lijia, Prof. TIAN Yanzhong, Associate. Prof. MAO Wenqi) are working from April 1 to 5, and give a seminar shown below to faculty members and students.
Picture taken at Northeastern University
2025/03/27
International Conference
Tsuji, Hwang, Suzumura, Hamshini, and Lau joined in TMS2025 Annual Meeting held in Las Vegas. Please refer to the link below for more information.
Conference HP
2025/03/27
News
Tsuji and Prof. Ogata (Osaka University) visited University of California, Berkeley to make discussions about collaboration researches with Prof. Andy MINOR, Dr. Jiyun KANG and Mr. SUZUMURA (D2 students staying at UC Berkeley).
2025/03/24
Event
D3 students (Yako, Liu, Yan) were awarded the doctor's degree, M2 students (Ueda, Katayama, Dono, Nishikawa) were awarded Master's degree, and B4 students (Aranami, Sako, Shimazaki, Nakatani, Mizunoue, Baba) were awarded Bachelor's degree.
Thesis topics
Doctor student
Master student
2025/03/21
Publication
The paper on Ti-Mo-O alloy by Chong Yan, Baoqi, Reza, and other colleagues has been published in Communications Materials.
"Mechanistic origin of grain size and oxygen interstitial effects on strain-induced α” martensitic transformation in Ti-12Mo alloy"〇an Chong, Tomohito Tsuru, Masatoshi Mitsuhara, Baoqi Guo, Reza Gholizadeh, Koji Inoue, Andrew Godfrey, Nobuhiro Tsuji: Communications Materials, 6: 50 (2025)
2025/03/20
Publication
The paper shown below by Dr. Lu has been published in Acta Materialia.
Gao from our lab has contributed somehow in the research.
"The role of layer strength ratio in enhancing strain hardening and achieving strength-ductility synergy in heterostructured materials"〇Xiaochong Lu, Yilun Xu, Hao Ran, Guohua Fan, Si Gao, Nobuhiro Tsuji, Chongxiang Huang, Huajian Gao, Yong-Wei Zhang: Acta Materialia, (2025), 120928
2025/03/18
Ferewell party
Lab members had a ferewell party.
picture
2025/03/18
Lab Meeting
Research report by Park (Assistant Professor) and Pankaji (Visiting PhD student)
2025/03/14
Lab Meeting
Research report by Reza (Foundation A Assistant Professor) and Gao (Associate Professor)
2025/03/10
International Conference
Tsuji gave oral and poster presentations with collaborators from the Czech Republic and Slovakia at the JST CONCERT Project Final Presentation Workshop held in Paris on March 10-11.
2025/03/10
Domestic Conference
Tsuji, Gao, Park, Yoshida, Hwang,  Gholizadeh, Yako, Fu, Xu, Harada, Kobayashi, Pankaji participated in the JIM Spring Meeting and the ISIJ Spring Meeting held at Tokyo Metropolitan University. Please refer to the link below for more information.
Presentation From This Lab
JIM Spring Meeting
ISIS Spring Meeting
2025/03/06
Lab Meeting
Research report by Yoshida (Assistant Professor)
2025/03/04
Seminars and Lectures
Hwang gave a seminar lecture in Prof. Kim Yunseok's lab at Sungkyunkwan University and in a graduate class at Seoul National University.
2025/03/04
Lab Meeting
2nd JIM/ISIJ Rehearsal
2025/02/28
Lab Meeting
1st JIM/ISIJ Rehearsal
2025/02/27
Lab Meeting
Research report by Zhao and Chu
2025/02/22
News
Suzumura has been staying for collaborative research with Prof. Andy MINOR in University of California Berkeley, CA, USA from February 22 to May 24, which is a part of the activity of KAKENHI International Leading program. 
2025/02/21
International Conference
Small-scale international workshop on "Mechanical Behavior of Advanced Materials" was held as part of KAKENHI and International Leadership activities​​​​​. Gao made a presentation from this lab.
2025/02/19
Lab Meeting
Research report by Ding (Visiting PhD student) and Wang Xiao (Visiting Scholars)
2025/02/18
PhD defense
The doctoral dissertation defense by Yan and Yako was carried out.
2025/02/17
PhD defense
The doctoral dissertation defense by Liu was carried out.
2025/02/12
Lab Meeting
Research report by Hamshini (D2) and Xu Hang (Visiting PhD student)
2025/02/07
Event
M2 students gave presentations at the Master-thesis presentation of the department of Material Science and Engineering.
2025/02/05
Lab Meeting
1st rehearsal for Ph.D defense by Yako (D3), Yan (D3), Liu (D3) 
2025/02/03
Lab Meeting
2nd rehearsal of master thesis presentation
2025/01/25
Seminars and Lectures
Tsuji stayed at IIT Hyderabad, India, from 1/25 to 1/31. He held various research discussions and presented the seminars.
Picutre taken at IIT Hyderabad
2025/01/24
International Conference
Tsuji joined in IIT Madras held in India. Please refer to the link below for more information.
Picture taken at the conference
2025/01/23
Publication
A paper shown below by Go has been published in Journal of Alloys and Compounds.
"Loading-direction dependence of non-basal slip activity in a pre-twinned AZ31 magnesium alloy"〇Jongbin Go, Myeong-heom Park, Si Gao, Hisashi Matsumiya, Wu Gong, Nobuhiro Tsuji: Journal of Alloys and Compounds, 1014 (2025), 178749
2025/01/23
Publication
A paper shown below by Park has been published in Journal of Alloys and Compounds.
"Enhancing the precipitation hardening ability of Al-Mg-Ga-In-Sn alloy through low-temperature aging treatment"〇Myeong-heom Park, Daisuke Terada, Manuel Marya, Nobuhiro Tsuji: Journal of Alloys and Compounds, 1014 (2025), 178669
2025/01/21
Lab Meeting
1st rehearsal of master thesis presentation
2025/01/20
Lab Meeting
Research report by Wang Chunyu (D2) and Xu Jianan (M1)
2025/01/20
Publication
A paper shown below by Park has been published in Scripta Materialia.
"Unusual deformation behavior and the consequent emergence of Type C serrations in Fe-1.6Mn-2Ni-1.4Si-0.4C steels"〇Myeong-heom Park, Sukyoung Hwang, Yoshitaka Okitsu, Nobuhiro Tsuji: Scripta Materialia, 259 (2025), 116563
2025/01/19
Publication
The research result by Prof. Fukami’s group in our department on CoCrNi medium entropy alloy has been published in Advanced Functional Materials.
Our group has contributed somehow in the research.
"Electroplating of Wear‐ and Corrosion‐Resistant CrCoNi Medium‐Entropy Alloys beyond Hard Chromium Coatings"〇Yuki Murakami,Shuhei Yoshida,Kosuke Ishii,Naoya Nishi,Akiyuki Ryoki,Nobuhiro Tsuji,Kuniaki Murase,Kazuhiro Fukami: Advanced Functional Materials, (2025), 2418621
2025/01/17
Lab Meeting
Research report by Gabriel (D2) and Lau (D2)
2025/01/15
Event
B4 students gave presentations at the Mid-report of the department of Material Science and Engineering.
2025/01/12
Publication
A paper shown below by Park has been published in Acta Materialia.
"Grain refinement of dual phase steel maximizes deformation ability of martensite, leading to simultaneous enhancement of strength and ductility"〇Myeong-heom Park, Akinobu Shibata, Stefanus Harjo, Nobuhiro Tsuji: Acta Materialia, 292 (2025), 121061
2025/01/10
Lab Meeting
Research report by Fu (D3) and Suzumura (D2)
2025/01/08
Lab Meeting
2nd rehearsal of Mid-report by B4 students
2025/01/06
Event
Prof. Longchao ZHUO from Xi'am University of Technology has joined our lab for about one year.