Atomistic simulations of hydrogen effects on lattice defects in alpha iron; 2019年04月 発表情報; Handbook of Mechanics of Materials, 283-300 著者; Shinya Taketomi, Ryosuke Matsumoto
原著論文
Effect of hydrogen concentration on nanoindentation softening and hardening in iron: ferrite phase of S25C and single-crystal Fe-3wt.%Si; 2024年02月 発表情報; ISIJ International, 64, 4 (2024)714-721 著者; Shinya Taketomi, Toshiki Taniguchi, Hiroki Yamamoto, Seiya Hagihara, Sadahiro Tsurekawa, Ryosuke Matsumoto
New understanding of one-dimensional thermal glide of a non-sized prismatic dislocation loop in bcc iron: an atomic scale study; 2023年12月 発表情報; Materialstoday Communications, 37, 107387 著者; Mugilgeethan Vijendran, Ryosuke Matsumoto, Shinya Taketomi
Hydrogen Effect on the Mobility of Edge Dislocation in α-Iron: A Long Timescale Molecular Dynamics Simulation; 2022年08月 発表情報; ISIJ International, 62, 11, 2402-2409 著者; Ryosuke Matsumoto, Sunday Oyinbo, Mugilgeethan Vijendran, Shinya Taketomi
Molecular Dynamics Simulation of Surface-Adsorbed-Hydrogen-Induced Dislocation Motion in a Thin Film; 2020年01月 発表情報; Computational Materials Science, 171, 109240 著者; Ryosuke Matsumoto, Shinya Taketomi
Application of Finite Element Method to Analyze the Influence of Process Parameters on the Cut Surface in the Fine Blanking Processes by using Clearance Dependent Critical Fracture Criteria; 2018年02月 発表情報; Journal of Manufacturing and Materials Processing, 2, 2 著者; Phyo Wai Myint, Seiya Hagihara, Toru Tanaka, Shinya Taketomi, Yuichi Tadano
Molecular Statics Simulation of the Effect of Hydrogen Concentration on {112}<111> Edge Dislocation Mobility in Alpha Iron; 2017年11月 発表情報; ISIJ International, 57, 11, 2059-2065 著者; Shinya Taketomi, Ryosuke Matsumoto, Seiya Hagihara
Determination of the Values of Critical Ductile Fracture Criteria to Predict Fracture Initiation in Punching Processes; 2017年10月 発表情報; Journal of Manufacturing and Materials Processing, 1, 12 著者; Phyo Wai Myint, Seiya Hagihara, Toru Tanaka, Shinya Taketomi, Yuichi Tadano
Hydrogen-related phenomena due to decreases in lattice defect energies—Molecular dynamics simulations using the embedded atom method potential with pseudo-hydrogen effects; 2014年09月 発表情報; Computational Materials Science, 92, 362-371 著者; Ryosuke Matsumoto, Shoichi Seki, Shinya Taketomi, Noriyuki Miyazaki
Molecular Statics Study of the Effect of Hydrogen on Edge Dislocation Motion in Alpha-Fe; 2014年01月 発表情報; Hydrogen- Materials Interactions, Proceedings of the 2012 International Hydrogen Conference; Eds. Brian Somerday, Petros Sofronis, ASME press, 765-770 著者; Shinya Taketomi, Ryosuke Matsumoto and Noriyuki Miyazaki
Influence of Hydrogen on the Cohesive Energies of Al/Si and Al/Mg2Si Interfaces; 2014年01月 発表情報; Hydrogen- Materials Interactions, Proceedings of the 2012 International Hydrogen Conference; Eds. Brian Somerday, Petros Sofronis, ASME press, 757-763 著者; Ryosuke Matsumoto, Tatsuhiro Enomoto, Shinya Taketomi, Noriyuki Miyazaki
Hydrogen Concentration Estimation Based on Density Functional Theory in Aluminum and Alpha Iron under Gaseous Hydrogen Environments; 2012年03月 発表情報; Transactions of the Materials Research Society of Japan, 37, 1, 1-6 著者; Yasuyuki Sakagami, Ryosuke Matsumoto, Dario Alfe’, Shinya Taketomi Tatsuhiro Enomoto and Noriyuki Miyazaki
Hydrogen-Grain Boundary Interaction in Fe, Fe-C, and Fe-N Systems; 2011年10月 発表情報; Progress in Nuclear Science and Technology, 2, 9-15 著者; Ryosuke Matsumoto, Marika Riku, Shinya Taketomi and Noriyuki Miyazaki
Atomistic Study of the Competitive Relationship between Edge Dislocation Motion and Hydrogen Diffusion in Alpha Iron; 2011年05月 発表情報; Journal of Materials Research, 26, 10, 1269-1278 著者; Shinya Taketomi, Ryosuke Matsumoto, Noriyuki Miyazaki
Hydrogen Diffusion Analyses of a Cracked Steel pipe under Internal Pressure; 2011年03月 発表情報; International Journal of Hydrogen Energy, 36, 1037-1045 著者; Kazunori Takayama, Ryosuke Matsumoto, Shinya Taketomi, Noriyuki Miyazaki
Theoretical Clarification of Facet like Fracture in Hydrogen Embrittlement; 2010年01月 発表情報; Journal of Solid Mechanics and Materials Engineering, 4, 1, 12-23 著者; Shinya Taketomi, A. Toshimitsu Yokobori, Jr.
Atomistic Study of the effect of Hydrogen on Dislocation emission from a mode II Crack
Tip in Alpha Iron; 2010年01月 発表情報; International Journal of Mechanical Science, 52, 334-338 著者; Shinya Taketomi, Ryosuke Matsumoto, Noriyuki Miyazaki
Atomistic Simulations of Hydrogen Embrittlement; 2009年12月 発表情報; International Journal of Hydrogen Energy, 34, 9597-9584 著者; Ryosuke Matsumoto, Shinya Taketomi, Sohei Matsumoto, Noriyuki Miyazaki
Estimation of Hydrogen Distribution Around Dislocations Based on First Principle Calculations; 2009年08月 発表情報; Effect of Hydrogen on Materials, 663-670 著者; Ryosuke Matsumoto, Shinya Taketomi, Noriyuki Miyazaki
Atomistic Study of Hydrogen Diffusion around a Dislocation in Alpha Iron; 2009年08月 発表情報; Effects of Hydrogen on Materials, 655-662 著者; Shinya Taketomi, Ryosuke Matsumoto, Noriyuki Miyazaki
Influence of the Shear Strain on the Hydrogen Trapped in Bcc-Fe: A First-principles-based Study; 2009年07月 発表情報; Scripta Materialia, 60, 7, 555-558 著者; Ryosuke Matsumoto, Yoshinori Inoue, Shinya Taketomi, Noriyuki Miyazaki
Atomistic Study of Hydrogen Distribution and Diffusion around a {112}<111> Edge Dislocation in Alpha Iron; 2008年08月 発表情報; Acta Materialia, 56, 3761-3769 著者; Shinya Taketomi, Ryosuke Matsumoto, Noriyuki Miyazaki
Transient Hydrogen Diffusion Analyses Coupled with Crack-Tip Plasticity under Cyclic Loading; 2008年07月 発表情報; International Journal of Pressure Vessels and Piping, 85, 540-549 著者; Hirokazu Kotake, Ryosuke Matsumoto, Shinya Taketomi, Noriyuki Miyazaki
Atomistic Simulation of the Effects of Hydrogen on the Mobility of Edge Dislocation in Alpha Iron; 2008年02月 発表情報; Journal of Materials Science, 43, 3, 1166-1169 著者; Shinya Taketomi, Ryosuke Matsumoto, Noriyuki Miyazaki
The Effect of the Interaction between Dislocations and Hydrogen Around a Crack Tip on Hydrogen Embrittlement Under Cyclic Loading Condition; 2007年01月 発表情報; Journal of Solid Mechanics and Materials Engineering, 1, 1, 126-139 著者; Shinya Taketomi, A. Toshimitsu Yokobori, Jr., Shuichi Takagi
Mechanism of Hydrogen Embrittlement Due to the Interaction of a Crack, Moving dislocations and Hydrogen Cluster; 2004年08月 発表情報; Key Engineering Materials, 261-263, 937-942 著者; Shinya Taketomi, A. Toshimitsu Yokobori, Jr., Tetsuo Shoji
The Mechanism of Hydrogen Embrittlement on the Basis of the Interaction Model of Dislocations and Hydrogen around a Crack Tip; 2004年03月 発表情報; Strength, Fracture and Complexity an International Journal, 3, 95-109 著者; A. Toshimitsu Yokobori, Jr., Shinya Taketomi, Jechang Ha, Tetsuo Shoji, G. F. Li
New Spar Type Floating Wind Power Plant Behavior Simulation by SPH Method; 2022年07月 発表情報; The 15th World Congress on Computational Mechanics and the 8th Asian Pacific Congress on Computational Mechanics in 2022 (WCCM-APCOM 2022) 著者; Seiya Hagihara, Naofumi Terada, Satoyuki Tanaka, Shinya Taketomi, Yuichi Tadano
d-SPH method calculation of behavior analysis of offshore floating structures on ocean; 2020年12月 発表情報; 3rd international Conference on Computational Engineering and Science for Safety and Environmental Problems 著者; Seiya Hagihara, Yoshiki Ikeshita, Satoyuki Tanaka, Shinya Taketomi, Yuichi Tadano
Behavior Analysis of Floating Structures on Water by using Delta Smoothed Particle Hydrodynamics Method; 2019年12月 発表情報; 7th Asian Pacific Congress on Computational Mechanics 著者; Seiya HAGIHARA, Taiki TAKENAKA, Satoyuki TANAKA, Shinya TAKETOMI, Yuichi TADANO
Influence of Hydrogen on Edge Dislocation Motion in Alpha Iron and the Comparison with Nanoindentation Tests; 2019年08月 発表情報; The fourth International Symposium on Atomistic and Multiscale Modeling of Mechanics and Multiphysics, ISAM4-2019 著者; S.Taketomi, T.Taniguchi, H.Yamamoto, R.Matsumoto and S.Hagihara
Identification of Vacancy-Cluster Size Associated with Hydrogen Embrittlement of Pure Iron: A First Principles Study; 2019年06月 発表情報; 3rd International Conference on Structural Integrity and Durability 著者; R.Matsumoto, C.Sano, S.Taketomi
Atomistic Study of Nonhydrostatic Stress Effects on the Hydrogen Diffusion in Fe; 2019年06月 発表情報; International Conference on Diffusion in Solids and Liquids (DSL-2019) 著者; R.Matsumoto, S.Nagase, S.Taketomi
Molecular Dynamics Study of the Influence of Nonhydrostatic Stress on the Diffusion Behavior of Hydrogen in Bcc-Fe; 2018年08月 発表情報; European Conference on Fracture 22, ECF22 著者; R.Matsumoto, S.Nagase, S.Taketomi
Numerical Simulation of Hydrogen Embrittlement in Iron; 2018年08月 発表情報; 22th European Conference on Fracture, ECF22 著者; S.Taketomi, R.Matsumoto
Application of Dislocation Dynamics to Hydrogen Embrittlement in Alpha Iron based on Atomistic Calculations; 2017年09月 発表情報; 14th International Conference on Fracture, ICF14 著者; S.Taketomi, K.Katayama, R.Matsumoto and S.Hagihara
Smoothed Particle Hydrodynamics Method for Fluid-Structure Interaction Analysis – Fluid Analysis and Elastic-Plastic Structural Analysis -; 2017年08月 発表情報; V International Conference on Particle-Based Method (Particles 2017) 著者; S.Hagihara, C.Kai, S.Taketomi, Y.Tadano, S.Tanaka
Caluculation of Ductile Fracture Parameters for Punching Processes; 2017年08月 発表情報; The International Conference on Advances in Computational Mechanics, ACOME 2017 著者; P.W.Myint, S.Hagihara, T.Tanaka, S.Taketomi, Y.Tadano
Elastic-plastic smoothed particle hydrodynamics method for fluid-structure interaction analysis; 2015年09月 発表情報; IV International Conference on Particle-Based Methods, Fundamentals and Applications, Particles 2015 著者; Seiya Hagihara, Tomohiro Shirahama, Shinya Taketomi, Yuichi Tadano, Satoyuki Tanaka
Calculation of Stress Intensity Factor Using Meshfree Method with Dynamic Bubble System; 2015年07月 発表情報; 13th U.S. National Congress on Computational Mechanics 著者; Seiya Hagihara, Yutaka Hayama, Shinya Taketomi, Yuichi Tadano
Meshfree method with restricting bubble radius for nodal relocation method; 2014年07月 発表情報; 11th World Congress on Computational Mechanics (WCCMXI) 著者; S.Hagihara, Y.Hayama, S.Taketomi and Y.Tadano
Adaptive meshfree method with adding and moving nodes for calculation of stress intensity factors; 2013年12月 発表情報; 5th Asian Pacific Congress on Computational Mechanics 著者; S.Hagihara, Y.Hayama, S.Taketomi and Y.Tadano
Visco-elastic SPH method applied to analysis of human head subjected to
impacts; 2013年07月 発表情報; 12th U.S. National Congress on Computational Mechanics (USNCCM12),
(2013), 78 著者; S. Hagihara , S. Fumoto, Y. Hayama1 S. Taketomi and Y. Tadano
Dislocation Dynamics Analysis of Hydrogen Embrittlement in Alpha Iron Based on Atomistic Investigations; 2013年06月 発表情報; 13th International Conference on Fracture, ICF13 著者; S.Taketomi, H.Imanishi, R.Matsumoto and N.Miyazaki
Adaptive meshfree method with nodal relocation restricting bubble radius applied to crack problems; 2013年05月 発表情報; International Conference on Computational & Experimental Engineering and Science 2013 著者; S.Hagihara, Y.Hayama, S.Taketomi and Y.Tadano
Adaptive EFG Method with Nodal Relocation for Crack Problems –Bubble Radius and Error Related Approach-; 2012年10月 発表情報; JSME-CMD ICMS2012 著者; S.Hagihara, Y.Hayama, S.Taketomi and Y.Tadano
Molecular Statics Study of the Effect of Hydrogen on Edge Dislocation Motion in Alpha-Fe; 2012年09月 発表情報; 2012 International Hydrogen Conference (Hydrogen-Materials Interactions) 著者; S.Taketomi, R.Matsumoto, N.Miyazaki
Molecular Dynamics Study of Influence of Hydrogen-Affected Lattice-Defects Energies on Deformation Behaviors of Alpha-Fe; 2012年09月 発表情報; 2012 International Hydrogen Conference (Hydrogen-Materials Interactions) 著者; R.Matsumoto, S.Seki, S.Taketomi and N.Miyazaki
Development of EAM Potential for Fe with Pseudo-hydrogen Effects and Molecular Dynamics Simulations of Nanoindentation; 2011年12月 発表情報; The 13 th International Conference on Electronics Materials and Packaging (EMAP2011) 著者; S.Seki, R.Matsumoto, S.Taketomi and N.Miyazaki
Hydrogen Segregation in Al/Si Interface and its Influence on the Cohesive Energy; 2011年09月 発表情報; 2011 World Congress on Advances in Structural Engineering and Mechanics (ASEM’11) 著者; R.Matsumoto, T.Enomoto, S.Taketomi and N.Miyazaki
Molecular Dynamics Analyses of Crack Growth Behavior in Iron Using EAM Potential Fitted for Hydrogen Effected Defect Energies; 2011年08月 発表情報; International Workshop on Computational Mechanics of Materials (IWCMM21) 著者; R.Matsumoto, S.Seki, S.Taketomi and N.Miyazaki
Multi Scale simulation of Ductile to Brittle Transition in Alpha Iron: Dislocation Dynamics based on the Atomic Analyses; 2015年10月 発表情報; The 3rd International Workshops on Advances in Computational Mechanics (IWACOM-III) 著者; Shinya Taketomi, Keishi Katayama, Seiya Hagihara
Atomistic Study of Hydrogen Embrittlement; 2015年03月 発表情報; 著者; Shinya Taketomi