2025
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Mechanistic origin of grain size and oxygen interstitial effects on strain-induced α” martensitic transformation in Ti-12Mo alloy
〇Yan Chong, Tomohito Tsuru, Masatoshi Mitsuhara, Baoqi Guo, Reza Gholizadeh, Koji Inoue, Andrew Godfrey, Nobuhiro TsujiCommunications Materials, 6: 50 (2025) -
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 TsujiJournal of Alloys and Compounds, 1014 (2025), 178749
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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 TsujiJournal of Alloys and Compounds, 1014 (2025), 178669 -
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 FukamiAdvanced Functional Materials, (2025), 2418621 -
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 TsujiScripta Materialia, 259 (2025), 116563
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Quantitative evaluation of local strain distribution induced by deformation twins and triggering effect of deformation twinning on neighboring grains in polycrystalline AZ31 magnesium alloys
〇Saho Yako, Myeong-heom Park, Nobuhiro TsujiScripta Materialia, 255 (2025), 116388 -
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 ZhangActa Materialia, 289 (2025), 120928
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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 TsujiActa Materialia, 292 (2025), 121061 -
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 TsujiActa Materialia, 293 (2025), 121098 -
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 TsujiMaterials Research Letters, (2025), 1-10
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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 TsujiJournal of Materials Research and Technology, 37 (2025), 2258
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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 TsujiInternational Journal of Hydrogen Energy, 155 (2025), 150292
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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 TsujiMaterials & Design, 258 (2025), 114622
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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 TsujiJournal of Materials Science & Technology, 254 (2026), 234
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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 TsujiInternational Journal of Plasticity, 194 (2025), 104466
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Mechanistic origin of oxygen-induced twin suppression in titanium
〇Yan Chong, Tomohito Tsuru, Reza Gholizadeh, Andrew M. Minor, Nobuhiro TsujiActa Materialia, 301 (2025), 121523 -
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 HuangScripta Materialia, 271 (2026), 116990 -
Role of Detwinning on Macroscopic Strain Localization in Magnesium Alloy
〇Jongbin Go, Myeong-heom Park, Si Gao, Saho Yako, Nobuhiro TsujiMetallurgical and Materials Transactions A, 56, 4377–4390 (2025)
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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 TsujiMaterials Science and Engineering: A, 947 (2025), 149288
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Origin of the trade-off relationship between tensile strength and hydrogen embrittlement resistance
〇Kazuho Okada, Yukihisa Watase, Myeong-heom Park, Kaneaki Tsuzaki, Akinobu ShibataActa Materialia, 303 (2026), 121683
Under Construction
Under Construction
Under Construction
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日本鉄鋼協会第190回秋季講演大会学生ポスターセッション奨励賞
荒浪 健人
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
学生ポスターセッション
日本鉄鋼協会2025年秋季(第190回)講演大会
2025.09.18
北海道大学札幌キャンパス
受賞日：2025年9月18日 -
第45回優秀ポスター賞
馬場 一誠
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
ポスターセッション｜第2部
日本金属学会2025年秋期(第177回)講演大会
2025.09.17
北海道大学札幌キャンパス
受賞日：2025年9月22日 -
ACTA MATERIALIA SCRIPTA MATERIALIA 2024【Certificated of Excellence in Reviewing】
Si Gao
受賞日：2025年9月25日
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Enhancement of Hydrogen Storage Properties of AlTiVCr Light Weight High Entropy Alloys (HEA) by Ti3C2MXene and Severe Plastic Deformation
Ludmila KUČEROVÁ, University of West Bohemia (WBU), Czech Karel SAKSL, Institute of Materials Research, Slovak Academy of Sciences (SAS), Slovakia Nobuhiro TSUJI, Kyoto University (KU), Japan
JST CONCERT project
2025.3.10
Paris, France -
Double necking phenomenon in an FeCoCrV medium entropy alloy
〇Si Gao, Yao Xiao, Jiankun Liu, Reza Gholizadeh, Myeong-Heom Park, Shuhei Yoshida, Wenqi Mao, Nobuhiro Tsuji
Workshop on "Mechanical Behavior of Advanced Materials"
2025.2.21
The International Science Innovation Building, Kyoto University -
Possibility of Bulk Nanostructured Metals Managing Both High Strength and Large Ductility
〇Nobuhiro Tsuji
Seminar@IIT Madras
2025.1.24
IIT Madras, India -
Impact of Ultrafine Microstructures on Mechanical Properties in Various Kinds of Titanium Alloys
〇Nobuhiro Tsuji、Yan Chong
TMS2025 Annual Meeting@Las Vegas
2025.3.25
Las Vegas, Nevada, USA -
Exploring Unusual Lüders Deformation in UFG high-Mn Austenitic Steel
〇Sukyoung Hwang、Hirokazu Kato、Kazuho Okada、Myeong-Heom Park、Nobuhiro Tsuji
TMS2025 Annual Meeting@Las Vegas
2025.3.25
Las Vegas, Nevada, USA -
Characteristic Dislocation Slips in Polycrystalline HfNbTiZr Equi-Atomic Alloy
Qiang He、Shuhei Yoshida、Shinji Okajyo、Masaki Tanaka、Nobuhiro Tsuji
TMS2025 Annual Meeting@Las Vegas
2025.3.26
Las Vegas, Nevada, USA -
Influence of Annealing Atmosphere on Microstructural Evolution and Variations in Mechanical Properties and Electrical Conductivity During Isochronal Annealing in a Nanocrystalline Cu-Zr Alloy
Takahiro Kunimine、Takeshi Inamura、Shuhei Yamaguchi、Naoya Nishikawa、Reza Gholizadeh、Nobuhiro Tsuji
TMS2025 Annual Meeting@Las Vegas
2025.3.26
Las Vegas, Nevada, USA -
Real-Time Sub-Microscopic Observation and Atomic Simulation of Deformation Induced Martensitic Transformation at Grain Boundaries
Jesada Punyafu、Tomotsugu Shimokawa、Myeong-Heom Park、Nobuhiro Tsuji、Mitsuhiro Murayama
TMS2025 Annual Meeting@Las Vegas
2025.3.27
Las Vegas, Nevada, USA -
Alloy Design, Microstructure, and Mechanical Properties of CoFeNi Medium Entropy Alloy with Vanadium and Carbon Addition
〇Hamshini Rajendran、Reza Gholizadeh、Yoshida Shuhei、Nobuhiro Tsuji
TMS2025 Annual Meeting@Las Vegas
2025.3.27
Las Vegas, Nevada, USA -
Tensile Deformation Behavior of Polycrystalline Pure Cobalt With HCP / FCC Dual Phase Studied by In-Situ X-Ray Diffraction
〇Takumi Suzumura、Si Gao、Shuhei Yoshida、Nobuhiro Tsuji
TMS2025 Annual Meeting@Las Vegas
2025.3.24
Las Vegas, Nevada, USA -
Crytal Orientation Dependence of Dislocation Structure in Tensile-Deformed High Purity Iron
〇Wing Sum Lau、Shuhei Yoshida、Nobuhiro Tsuji
TMS2025 Annual Meeting@Las Vegas
2025.3.25
Las Vegas, Nevada, USA -
Effect of Titanium Addition on Mechanical Properties of Single-phase FCC High-entropy Alloys
〇Chenliang Chu, Shuhei Yoshida, Reza Gholizadeh, Zhiqiang Fu, Hao Wang, Yan Chong, Xiaoxu Huang, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Mechanisms of Abnormal Softening and Extra-hardening in Bulk Ultrafine-grained Metals
〇Ruixiao Zheng, Maowen Liu, Jun-Ping Du, Wu Gong, Chaoli Ma, Shigenobu Ogata, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Understanding the Tensile Behavior of a Cu-Fe Laminated Metal Composite by Unraveling the Individual Stress-Strain Responses of Cu and Fe Layers
〇DONGSHENG FU, SI GAO, WENQI MAO, WU GONG, NOBUHIRO TSUJI
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Superior strength–ductility synergy in three-dimensional heterogeneous-nanostructured metals
〇Guodong Li, Ruixiao Zheng, Chaoli Ma, Xiaoyan Li, Si Gao, Ameyama Kei
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Effects of lamellae direction on deformation behavior in directionally solidified AlCoCrFeNi2.1 eutectic high entropy alloy
〇Jinge Yan, Shuhai Yoshida, Myeong-heom Park, Wu Gong, Stefanus Harjo, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
A newly additive-manufacturable Nickel-base superalloys with ultrahigh strength-ductility synergy
〇Li Liang, Wei Tong, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Elimination of oxygen-induced embrittlement in Ti -compositional and structural strategies
〇Yan Chong, Reza Gholizadeh, Tomohito Tsuru, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.4
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
The interplay of deformation mechanisms and mechanical characteristics in interstitial-strengthened titanium alloys
〇Guohua Zhao, Yan Chong, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.4
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Grain refinement of LPSO phase using heavy deformation and subsequent recrystallization in Mg85Y8Zn7 alloy
〇Chunyu Wang, Myeong-heom Park, Taiki Nakata, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.4
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Grain Size Dependence of Twinning Behavior in Polycrystalline Pure Mg
〇Saho Yako, Myeong-heom Park, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.4
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Mitigating Lüders-band-related strain localization by designing austenite grains having bimodal stability in UFG-medium Mn steel
〇Wei Ding, Wei Li, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.4
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Evolution of Dislocation Structures and Their Crystal Orientation Dependence in Tensile-deformed High Purity Iron
〇Wing Sum Lau, Shuhei Yoshida, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.5
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Deformation behavior of an HCP-BCC dual-phase magnesium alloy at cryogenic temperatures
〇Wu Gong, Reza GHOLIZADEH, Stefanus Harjo, Takuro Kawasaki, Kazuya Aizawa, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.5
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Deformation Behavior, Microstructure, and Mechanical Property of Cold-Rolled and Annealed AlCoCrFeNi2-1 High-Entropy Alloy with Dual-Phase Structure
〇Reza Gholizadeh, Koji Inoue, Shuhei Yoshida, Sheng Guo, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.5
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Investigating strengthening behavior in carbide-enriched novel hypo eutectic high entropy alloy (CoFeNi)-V-C
〇Hamshini R, Reza Gholizadeh, Shuhei Yoshida, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.5
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Cyclic transformation strengthening in Fe-24Ni-0.3C metastable austenitic steels with different grain sizes
〇Mayu Dono, Si Gao, Myeong-heom Park, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.5
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Revisiting the role of chemical order on mechanical properties of Ni-Cr alloy
〇Shuhei Yoshida, Daiki Tokiwa, Hikaru Saito, Yoji Miyajima, Mitsuhiro Murayama, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Intrinsic mechanism of post-dynamic phase transformation from austenite to ferrite in-situ neutron diffraction
〇Zelin Tong, Wei Li, Wei Ding, Baoqi Guo, Na Min, Huibin Liu, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Effect of grain refinement on serration behavior in high-Mn austenitic steel
〇Sukyoung Hwang, Ryo Asada, Myeong-heom Park, Akinobu Shibata, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Deformation behavior of an ultrafine-grained stainless steel at cryogenic temperatures studied by in situ neutron diffraction
〇Wenqi Mao, Si Gao, Wu Gong, Takuro Kawasaki, Stefanus Harjo, Nobuhiro Tsuji, Lijia Zhao, Qiang Wang
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Effects of interstitial carbon on the strength and ductility of carbide free high-entropy alloys
〇Wei Fang, Chang Liu, Shuhei Yoshida, Pingguang Xu, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Microstructure and mechanical properties of heavily cold-rolled and annealed high entropy alloy with highly deformable Laves phase
〇Pankaj Kumar Ojha, Upender Sunkari, Shuhei Yoshida, Nobuhiro Tsuji, Pinaki Prasad Bhattacharjee
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Grain size dependence of deformation behavior and strengthening mechanisms in TiZrHf medium entropy alloy with HCP single phase
〇Xiang LI, Shuhei YOSHIDA, Yan CHONG, Nobuhiro TSUJI
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Strain localization behavior during tensile deformation of fine-grained 304 stainless steel
〇Si Gao, Yu Bai, Ruixiao Zheng, Yanzhong Tian, Wenqi Mao, Akinobu Shibata, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Simultaneous Enhancement of Strength and Ductility in Polycrystalline Pure Cobalt through Stabilizing High-Temperature FCC Phase
〇Takumi Suzumura, Si Gao, Shuhei Yoshida, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Local stress visualization by digital image correlation (DIC) technique
〇Myeong-heom Park, Saho Yako, Akinobu Shibata, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Microstructure Tailoring of High-Strength Fe-Mn-C Ghost Pearlite
〇Marcel Muench, Lukas Reichherzer, Reza Gholizadeh, Nobuhiro Tsuji, Yolita M. Eggeler, Martin Heilmaier, Alexander Kauffmann
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.6
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Investigation of Dynamic Hall-Petch Effect in High-Mn Austenitic Steel
〇Taigi IITSUKA, Sukyoung Hwang, Myeong-heom Park, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Quantitative investigation of local deformation behavior during Lüders deformation in low-carbon ferrite + pearlite steels
〇Takehiro Kobayashi, Myeong-heom Park, Sukyoung Hwang, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Effect of high-temperature compression on ultrafine α + θ pearlitic structures in medium Mn steels
〇Kota Kato, Myeong-heom Park, Baoqi Guo, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Tensile deformation of cold rolled Fe-Ni-C metastable austenitic steel investigated by in-situ synchrotron XRD
〇Naoki Harada, Si Gao, Nobuhiro Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.3
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Direct observation of dynamic transformation during hot deformation of Ti-6Al-4V alloy
〇BQ. Guo, Y. Chong, WQ. Mao, S. Harjo, W. Gong, N. Tsuji
ICSMA 20 The 20th International Conference on Strength of Materials
2025.6.4
Kyoto International Conference Center (Kyoto Kokusaikaikan), Kyoto, Japan -
Quantitative characterization of local deformation behavior in ferrite +martensite dual phase steels with different grain sizes by digital image correlation method
〇Myeong-heom Park, Akinobu Shibata, Stefanus Harjo, Nobuhiro Tsuji
GCIM2025 (Global Conference of Innovation Materials 2025)
2025.6.16
Jeju International convention center, Jeju, Korea -
Characteristic Dislocation Slips in Polycrystalline HfNbTiZr Medium Entropy Alloy
〇Nobuhiro Tsuji, Qian He, Shuhei Yoshida, Shinji Okajyo, Masaki Tanaka
THERMEC'2025 (International Conference on PROCESSING & MANUFACTURING OF ADVANCED MATERIALS Processing, Properties, Fabrication and Applications)
2025.7.1
The Faculty of Science & Techniques of the University of Tours, Tours, France -
Variant selection in deformation-induced martensitic transformation during tensile deformation of ultrafine grained metastable austenitic steel
〇Yuanhong Liu, Si Gao, Myeongheom Park, Nobuhiro Tsuji
ICOMAT 2025 (INTERNATIONAL CONFERENCE ON MARTENSITIC TRANSFORMATIONS)
2025.9.9
OREA Hotel Pyramida, Praue, Czech Republic -
Tensile deformation of cold rolled Fe-Ni-C metastable austenitic steel investigated by in-situ synchrotron XRD
〇Naoki Harada, Si Gao, Nobuhiro Tsuji
ICOMAT 2025 (INTERNATIONAL CONFERENCE ON MARTENSITIC TRANSFORMATIONS)
2025.9.9
OREA Hotel Pyramida, Praue, Czech Republic
Poster -
Tensile properties and deformation-induced martensitic transformation in Fe-Ni-C steel
〇Ryoya Oishi, Si Gao, Myeong-Heom Park, Nobuhiro Tsuji
ICOMAT 2025 (INTERNATIONAL CONFERENCE ON MARTENSITIC TRANSFORMATIONS)
2025.9.9
OREA Hotel Pyramida, Praue, Czech Republic
Poster -
Cyclic Transformation Strengthening in Fine-Grained Fe-24Ni-0.3C Metastable Austenitic Steel Studied by In-Situ Synchrotron XRD
〇Mayu Dono, Si Gao, Myeong-Heom Park, Nobuhiro Tsuji
ICOMAT 2025 (INTERNATIONAL CONFERENCE ON MARTENSITIC TRANSFORMATIONS)
2025.9.11
OREA Hotel Pyramida, Praue, Czech Republic -
Deformation Constraint at Interphase-Boundaries Bring Out Excellent Mechanical Property in Ultrafine-Grained Dual-Phase Steel
〇Nobuhiro TSUJI, Myeong-heom PARK, Akinobu SHIBATA and Stefanus HARJO
NanoSPD9 2025 (The 9th International Conference on Nanomaterials by Severe Plastic Deformation)
2025.11.2
Beijing International Convention Center, Beijing, China
Plenary -
Necking propagation in an ultrafine-grained FeCoCrV medium entropy alloy
〇Gao Si, Yao Xiao, Jiankun Liu, Reza Gholizadeh, Myeong-Heom Park, Shuhei Yoshida, Wenqi Mao, Nobuhiro Tsuji
NanoSPD9 2025 (The 9th International Conference on Nanomaterials by Severe Plastic Deformation)
2025.11.3
Beijing International Convention Center, Beijing, China
Invited -
Grain growth behavior and mechanical properties of lean Mg-RE alloys
〇Honglu Xu, Saho Yako, Myeong-heom Park, Nobuhiro Tsuji
NanoSPD9 2025 (The 9th International Conference on Nanomaterials by Severe Plastic Deformation)
2025.11.1-3
Beijing International Convention Center, Beijing, China
Poster
-
CrCoNi および CrFeNi ミディアムエントロピー合金の電析挙動と微細組織の比較
〇村上 勇樹、吉田 周平、西岡 季穂、辻 伸泰、邑瀬 邦明、深見 一弘
日本金属学会2025年春期（第176回）講演大会
公募シンポジウム講演｜S3.材料表面の化学 II －めっき・耐食性・耐酸化性・触媒研究の新展開－(1)
2025.03.08
東京都立大学南大沢キャンパス -
フェライト鋼におけるリューダース変形中の局所応力の定量解析
〇小林 赳大、朴 明験、黄 錫永、辻 伸泰
日本金属学会2025年春期（第176回）講演大会
ポスターセッション｜4.力学特性｜力学特性
2025.03.08
東京都立大学南大沢キャンパス -
Evolution of deformation and annealing microstructures in dual-phase AlCoCrFeNi₂.₁ High-Entropy Alloy
〇Reza Gholizadeh, Koji Inoue, Shuhei Yoshida, Sheng Guo, Nobuhiro Tsuji
日本金属学会2025年春期（第176回）講演大会
4.力学特性｜力学特性と組織｜ハイエントロピー合金
2025.03.09
東京都立大学南大沢キャンパス -
その場中性子回折測定による Cu-Fe ラミネート組織材の変形挙動の理 解
〇付 東升、高 斯、ゴン ウー、毛 文奇、辻 伸泰
日本金属学会2025年春期（第176回）講演大会
4.力学特性｜力学特性と組織｜力学特性の基礎(1)
2025.03.09
東京都立大学南大沢キャンパス -
Microstructure and hydrogen storage properties of (TiVNb)85Cr15medium entropy alloy processed by severe plastic deformation
〇Xu Shuo、Yoshida Shuhei、Dangwal Shivam、Saksl Karel、Kučerová Ludmila、Edalati Kaveh、Tsuji Nobuhiro
日本金属学会2025年春期（第176回）講演大会
10. エネルギー関連材料｜水素・電池関連材料｜水素・電池関連材料
2025.03.09
東京都立大学南大沢キャンパス -
Highly deformable Laves phase in a high entropy alloy
〇Pankaj Kumar Ojha, Shuhei Yoshida, Upender Sunkari, Pinaki Prasad Bhattacharjee, Nobuhiro Tsuji
日本金属学会2025年春期（第176回）講演大会
公募シンポジウム講演｜S2 微小領域の力学特性評価とマルチスケールモデリング
2025.03.09
東京都立大学南大沢キャンパス -
デジタル画像相関法による TRIP 鋼のセレーション挙動の定量解析
〇朴 明験、Hwang Sukyoung、興津 貴隆、辻 伸泰
日本金属学会2025年春期（第176回）講演大会
4.力学特性｜力学特性｜力学特性の基礎(2)
2025.03.10
東京都立大学南大沢キャンパス -
純 Mg 微細粒材における双晶変形抑制機構の考察
〇八子 早保、朴 明験、辻 伸泰
日本金属学会2025年春期（第176回）講演大会
4.力学特性｜力学特性｜力学特性の基礎(2)
2025.03.10
東京都立大学南大沢キャンパス -
その場中性子回折による極低温における Mg-Li 二相合金の変形機構の解明
〇ゴン ウー、Reza Gholizadeh、ハルヨ ステファヌス、川崎 卓郎、相澤 一也、辻 伸泰
日本金属学会2025年春期（第176回）講演大会
4.力学特性｜力学特性｜力学特性の基礎(2)
2025.03.10
東京都立大学南大沢キャンパス -
鋼の結晶粒超微細化のための加工熱処理
〇辻 伸泰
日本鉄鋼協会2025年春期（第189回）講演大会
材料の組織と特性｜加工熱処理
2025.03.08
東京都立大学南大沢キャンパス -
旧 γ 粒界における局所塑性緩和能力に対応したマルテンサイト鋼の水素脆化感受性
○岡田和歩・柴田曉伸、朴明験、津﨑兼彰
日本鉄鋼協会2025年春期（第189回）講演大会
討論会｜材料の組織と特性｜マルテンサイト鋼における局所塑性と関連する変形・破壊強度
2025.03.09
東京都立大学南大沢キャンパス -
純コバルトの熱処理時に形成される面欠陥と力学特性の関係
〇仲谷 恒輝、鈴村 拓未、吉田 周平、高 斯、辻 伸泰
日本金属学会2025年秋期（第177回）講演大会
ポスターセッション｜第１部
2025.09.17
北海道大学札幌キャンパス -
繰り返し重ね接合圧延で作製された純アルミニウムの微細組織と機械的性質の経年変化
〇浅野 陽介、國峯 崇裕、宮嶋 陽司、辻 伸泰
日本金属学会2025年秋期（第177回）講演大会
ポスターセッション｜第１部
2025.09.17
北海道大学札幌キャンパス -
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
日本金属学会2025年秋期（第177回）講演大会
ポスターセッション｜第２部
2025.09.17
北海道大学札幌キャンパス -
水素チャージまたは低温環境下におけるステンレス鋼の変形挙動の理解―中性子を用いた研究
〇HARJO Stefanus、伊東 達矢、マオ ウェンチ、ゴン ウー、川崎 卓郎、小川 裕平、ガオ シ、柴田 曉伸
日本金属学会2025年秋期（第177回）講演大会
S1 極限環境対応構造材料のためのマテリアルD(Ⅲ) (1)
2025.09.17
北海道大学札幌キャンパス
基調講演 -
Microstructure and hydrogen storage properties of (TiVNb)85Cr15 medium entropy alloy processed by severe plastic deformation
〇Xu Shuo、Yoshida Shuhei、Dangwal Shivam、Edalati Kaveh、Tsuji Nobuhiro
日本金属学会2025年秋期（第177回）講演大会
S2 水素エネルギ-材料XI（1）
2025.09.17
北海道大学札幌キャンパス -
Decomposition of FCC Phase in CoCrFeMnNi High-En tropy Alloy at Intermediate Temperatures：Role of Pre Deformation in Precipitation Behavior
〇GHOLIZADEH REZA、Yamashita Tetsuya、Sasaki Taisuke、Chong Yan、Kurokawa Shu、Yoshida Shuhei、Tsuji Nobuhiro
日本金属学会2025年秋期（第177回）講演大会
S3 ハイエントロピー合金の材料科学 （XII）（1）
2025.09.18
北海道大学札幌キャンパス
基調講演 -
Characteristics of strengthening and deformation mechanisms in TiZrHf medium entropy alloy with HCP structure
〇LI XIANG、YOSHIDA SHUHEI、CHONG YAN、TSUJI NOBUHIRO
日本金属学会2025年秋期（第177回）講演大会
S3 ハイエントロピー合金の材料科学 （XII）（1）
2025.09.18
北海道大学札幌キャンパス -
マルテンサイト鋼の水素脆性粒界破壊抑制に向けた材料設計指針
〇岡田 和歩、佐々木 泰祐、朴 明験、津﨑 兼彰、柴田 曉伸
日本金属学会2025年秋期（第177回）講演大会
S8 材料変形素過程のマルチスケール解析 （VIII）（1）
2025.09.18
北海道大学札幌キャンパス
奨励賞受賞講演 -
FeCoCrV 中エントロピー合金におけるネッキングの伝播
〇Gao Si、Xiao Yao、Liu Jiankun、Gholizadeh Reza、 Park Myeong-Heom、吉田 周平、辻 伸泰
日本金属学会2025年秋期（第177回）講演大会
耐熱合金・金属間化合物
2025.09.18
北海道大学札幌キャンパス -
炭素鋼における巨視的不均一変形帯の局所変形挙動解析
〇小林 赳大、朴 明験、黄 錫永、辻 伸泰
日本金属学会2025年秋期（第177回）講演大会
力学特性の基礎（2）
2025.09.19
北海道大学札幌キャンパス -
高Mn TWIP鋼の室温引張変形におけるDynamic Hall Petch 効果の検証
〇飯塚 大義、黄 錫永、朴 明験、辻 伸泰
日本金属学会2025年秋期（第177回）講演大会
力学特性の基礎（2）
2025.09.19
北海道大学札幌キャンパス -
Grain growth behavior and mechanical properties of low alloyed Mg-RE alloys
〇Honglu Xu、Saho Yako、Myeong-heom Park、Nobuhiro Tsuji
日本金属学会2025年秋期（第177回）講演大会
Mg・Mg合金
2025.09.19
北海道大学札幌キャンパス -
Hardening and embrittlement in Ti-10Mo air-cooled after annealing
〇Xiuqun Wang、Chong Yan、Reza Gholizadeh、Nobuhiro Tsuji
日本金属学会2025年秋期（第177回）講演大会
チタン・チタン合金（1）
2025.09.19
北海道大学札幌キャンパス -
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
日本鉄鋼協会2025年秋季（第190回）講演大会
学生ポスターセッション
2025.09.18
北海道大学札幌キャンパス -
Evolution of Dislocation Structures and Work-hardening in High Purity Iron
〇Lau Wing Sum、吉田 周平、辻 伸泰
日本鉄鋼協会2025年秋季（第190回）講演大会
強度特性・変形特性3
2025.09.17
北海道大学札幌キャンパス -
冷間圧延されたFe-Ni-C鋼における不均一変形挙動のその場放射光X線回折とDICによる解析
〇原田 直輝、高 斯、辻 伸泰
日本鉄鋼協会2025年秋季（第190回）講演大会
強度特性・変形特性4
2025.09.18
北海道大学札幌キャンパス -
Fe-24Ni-0.8C 合金における変形誘起マルテンサイト変態と引張特性
〇大石 遼矢、高 斯、朴 明験、辻 伸泰
日本鉄鋼協会2025年秋季（第190回）講演大会
強度特性・変形特性4
2025.09.18
北海道大学札幌キャンパス -
動的相変態を利用した中Mn鋼の組織制御とその力学特性
〇加藤 幸汰、朴 明験、郭宝奇、辻 伸泰
日本鉄鋼協会2025年秋季（第190回）講演大会
組織制御
2025.09.19
北海道大学札幌キャンパス
-
高Mn鋼におけるセレーション挙動および動的ひずみ時効のマルチスケールでの研究
Sukyoung Hwang
2025/03/04
ソウル大学 材料工学部大学院
大学院授業「構造材料深化研究」 -
高Mn鋼におけるセレーション挙動および動的ひずみ時効のマルチスケールでの研究
Sukyoung Hwang
2025/02/24
成均館大学 新素材工学部大学院
Prof. Kim Yunseok's laboratory -
Possibilities of Bulk Nanostructured Metals Managing Both High Strength and Large Ductility
Nobuhiro Tsuji
2025/01/31
IIT Hyderabad, India -
Mechanism of Ultra Grain Refinement by Severe Plastic Deformation, and Other Fabrication Methods of Bulk Nanostructured Metals Using Thermomechanical Processing
Nobuhiro Tsuji
2025/01/29
IIT Hyderabad, India -
Ultra Grain Refinement of Bulk Metallic Materials: Fabrication of Bulk Nanostructured Metals with Interesting Properties by Severe Plastic Deformation
Nobuhiro Tsuji
2025/01/27
IIT Hyderabad, India -
・Characteristic Dislocation Slips in Polycrystalline HfNbTiZr Equi-Atomic Alloy
・Possible Reason for Unexpected Dynamic Transformation
Nobuhiro Tsuji
2025/06/07
京都リサーチパーク -
Understanding Degradation Mechanisms in Magnesium with Advanced Characterization
Dmytro Orlov (Lund University, Sweden)
2025/06/11
京都大学
科研費・国際先導の活動 -
熱処理を原子の次元で考える
Nobuhiro Tsuji
2025/06/11
大阪科学技術センター
第39回 熱処理技術者のための基礎講習会 -
Understanding twinning-assisted strain hardening
Alexey Vinogradov (Kumamoto University, Japan)
2025/06/13
京都大学
科研費・国際先導の活動 -
Elasto-Plastic Transition Mechanisms in Harmonic Structures
Dmytro Orlov (Lund University, Sweden)
2025/06/13
京都大学
科研費・国際先導の活動 -
DIC法を利用した金属材料の不均一変形の定量評価
Myeong-heom Park
2025/06/23
KIMS (Korea Institute of Materials Science), Changwon, Korea
Under Construction
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Under Construction
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Prof. Longchao ZHUO
Visiting researcher, Xi'am University of Technology, China
2025/1/26-2026
Under Construction
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Under Construction