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2025_Acta_(Myeongheom_DIC).pdf
Grain refinement of dual phase steel maximizes deformation ability of martensite, leading to simultaneous enhancement of strength and ductility
ジャーナル論文
著者
Myeong-heom Park (author) (この著者で検索)
;
Akinobu Shibata (author) (この著者で検索)
National Institute for Materials Science
ORCID SAMURAI ;
Stefanus Harjo (author) (この著者で検索)
;
Nobuhiro Tsuji (author) (この著者で検索)
キーワード
Strength-ductility synergy, Strain-hardening, Stress/strain partitioning, Deformation constraint, Digital image correlation (DIC), In-situ neutron diffraction during deformation
刊行年月日
2025-04-16
更新時刻
2025-12-09 16:30:13 +0900
110_TETSU-2024-069.pdf
Origin of Serrated Markings on the Hydrogen Related Quasi-cleavage Fracture in Low-carbon Steel with Ferrite Microstructure
ジャーナル論文
著者
ORCID SAMURAI ; ORCID SAMURAI ;
Hisashi Matsumiya (author) (この著者で検索)
ORCID ;
Nobuhiro Tsuji (author) (この著者で検索)
ORCID
キーワード
hydrogen embrittlement, ferritic steel, quasi-cleavage fracture, transmission electron microscopy (TEM), focused ion beam (FIB), three-dimensional morphology
刊行年月日
2024-09-01
更新時刻
2024-09-03 12:30:16 +0900
2024_ISIJ_Bain unit.pdf
Effect of Bain Unit Size on Low-temperature Fracture Toughness in Medium-carbon Martensitic and Bainitic Steels
ジャーナル論文
著者
Akinobu Shibata (author) (この著者で検索)
National Institute for Materials Science
ORCID SAMURAI ;
Tomoyuki Katsuno (author) (この著者で検索)
;
Mizuki Tsuboi (author) (この著者で検索)
;
Nobuhiro Tsuji (author) (この著者で検索)
キーワード
low-temperature embrittlement, fracture toughness, cleavage fracture, bainite, martensite
刊行年月日
2024-01-30
更新時刻
2024-08-20 08:30:40 +0900
2025_JMRT_DIC_Park.pdf
Grain size effects on strain localization and fracture behavior in ferrite–martensite dual-phase steels characterized by digital image correlation analysis
ジャーナル論文
著者
Myeong-heom Park (author) (この著者で検索)
;
Yuichi Tagusari (author) (この著者で検索)
;
Akinobu Shibata (author) (この著者で検索)
National Institute for Materials Science
ORCID SAMURAI ;
Nobuhiro Tsuji (author) (この著者で検索)
キーワード
Dual phase steel, Mechanical properties, Digital image correlation (DIC), Strain distribution, Micro void, Fracture
刊行年月日
2025-06-23
更新時刻
2025-12-09 16:30:11 +0900
SMM-24-0709_R1_MDR.pdf
Making stress visible: A method to quantify local stress distribution in metals using digital image correlation method
ジャーナル論文
著者
Myeong-heom Park (author) (この著者で検索)
;
Saho Yako (author) (この著者で検索)
;
Yasunari Takeda (author) (この著者で検索)
;
Akinobu Shibata (author) (この著者で検索)
National Institute for Materials Science
ORCID SAMURAI ;
Nobuhiro Tsuji (author) (この著者で検索)
キーワード
Local stress distributions, Elastic strain, Digital image correlation (DIC), Structural materials, Stress visualization
刊行年月日
2024-07-13
更新時刻
2024-11-05 17:26:41 +0900
MSEA-D-23-05197_R1_MDR.pdf
Mechanism of simultaneous increase of strength and ductility with grain refinement in Si-added high-Mn austenitic steel
ジャーナル論文
著者
Sukyoung Hwang (author) (この著者で検索)
;
Yu Bai (author) (この著者で検索)
;
Si Gao (author) (この著者で検索)
;
Myeong-Heom Park (author) (この著者で検索)
;
Akinobu Shibata (author) (この著者で検索)
National Institute for Materials Science
ORCID SAMURAI ;
Nobuhiro Tsuji (author) (この著者で検索)
キーワード
high-Mn austenitic steel, Si addition, grain refinement, ε-martensitic transformation, fracture surface topography analysis (FRASTA)
刊行年月日
2024-02-03
更新時刻
2026-02-03 12:30:15 +0900
2024_JAMS_(Yoshida_HEA).pdf
Grain size dependent deformation microstructure evolution and work-hardening in CoCrNi medium entropy alloy
ジャーナル論文
著者
Shuhei Yoshida (author) (この著者で検索)
;
Genki Yamashita (author) (この著者で検索)
;
Takuto Ikeuchi (author) (この著者で検索)
;
Yu Bai (author) (この著者で検索)
; ORCID SAMURAI ;
Nobuhiro Tsuji (author) (この著者で検索)
キーワード
Ultrafine-grained metals, High/medium entropy alloys, Deformation microstructure, Deformation twins, Grain boundary-mediated plasticity
刊行年月日
2024-11-03
更新時刻
2024-11-23 16:30:14 +0900
64_ISIJINT-2024-093.pdf
Real-time Observation of Stress-strain Behavior beyond Necking in Martensitic Steel by in-situ Synchrotron X-ray Diffraction
ジャーナル論文
著者
Avala Lavakumar (author) (この著者で検索)
ORCID ;
Sukyoung Hwang (author) (この著者で検索)
; ORCID SAMURAI ;
Myeong-heom Park (author) (この著者で検索)
;
Atul Haris Chokshi (author) (この著者で検索)
;
Nobuhiro Tsuji (author) (この著者で検索)
ORCID
キーワード
Martensitic Steel, in-situ Synchrotron X-ray Diffraction, Necking
刊行年月日
2024-10-15
更新時刻
2024-11-07 16:30:41 +0900
1-s2.0-S1359645424006384-main.pdf
Effect of carbon segregation at prior austenite grain boundary on hydrogen-related crack propagation behavior in 3Mn-0.2C martensitic steels
ジャーナル論文
著者
ORCID SAMURAI ; ORCID SAMURAI ; ORCID SAMURAI ;
Masatake Yamaguchi (author) (この著者で検索)
ORCID ;
Ken-ichi Ebihara (author) (この著者で検索)
ORCID ;
Nobuhiro Tsuji (author) (この著者で検索)
ORCID
キーワード
Hydrogen embrittlement, Martensitic steel, Crack propagation, Grain-boundary segregation, Intergranular failure
刊行年月日
2024-08-14
更新時刻
2024-09-05 16:30:34 +0900
2025_Microstructures_(Neutron_Gong).pdf
Effect of ausforming on isothermal transformation below the martensite start temperature in NiCrMoV steel: an in-situ neutron diffraction study
ジャーナル論文
著者
Wu Gong (author) (この著者で検索)
;
Stefanus Harjo (author) (この著者で検索)
;
Takuro Kawasaki (author) (この著者で検索)
;
Takayuki Yamashita (author) (この著者で検索)
;
Akinobu Shibata (author) (この著者で検索)
National Institute for Materials Science
ORCID SAMURAI ;
Tomoya Shinozaki (author) (この著者で検索)
;
Yo Tomota (author) (この著者で検索)
National Institute for Materials Science
ORCID ;
Nobuhiro Tsuji (author) (この著者で検索)
キーワード
Ausforming, bainitic transformation, martensitic transformation, in-situ neutron diffraction, microstructure, mechanical properties
刊行年月日
2025-08-04
更新時刻
2025-12-09 08:30:10 +0900
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