Research theme for competitive and other funds (10):
2022 - 2025 Measurement and analysis on yhe change in dislocation densuty at high temperatuire deformation of 3D additively manufactured Ni super alloy and carcon steelsmanufactured
2011 - 2013 Development of ultrafine grained nonmagnetic high strength austenitic stainless wire for a high performasnce small size motor
鉄鋼組織の超微細化
Formation of ultra-fine structures of steel
革新的構造用金属材料創製を目指したヘテロ構造制御に基づく新指導原理の構築
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Papers (160):
Yuto Masunari, Atsushi Ito, Taiga Mizuno, Yuki Ishii, Shiro Torizuka. SUS301鋼における1600 MPa高降伏点と長大リューダース変形をもたらす結晶粒超微細化とC濃度およびオーステナイト安定性の関係. Journal of the Japan Institute of Metals and Materials. 2023. 87. 9. 249-257
Characteristics of Structure, Dislocation Density, and Mechanical Properties of 3D-fabricated Ni Alloys by Selective Laser Powder Bed Fusion Method. Ferrum. 2022. 27. 12. 882-890
Shiro Torizuka. Inpvation of heat treatment process by grain refinement. 2022. 63. 11
Atsushi Ito, Taiga Fuse, Shiro Torizuka. Effect of Dislocation Behavior on High Strength and High Ductility of Low Carbon-2%Si-5%Mn Fresh Martensitic Steel. Tetsu-to-Hagane. 2022. 108. 11. 877-890
S Torizuka, R Oya, K Prasad, A Ito. Formation of Ultrafine Single-Variant Martensite from Prior Ferrite + Cementite Microstructure and Its Mechanical Properties. Materials Performance and Characterization. 2021. 11
伊東篤志, 布施太雅, 足立大樹, 鳥塚史郎. Analysis on controlling mechanism of excellent strength and ductility in low carbon - 2%Si - 5%Mn fresh martensitic steel. 材料とプロセス(CD-ROM). 2020. 33. 1
鳥塚史郎, 蓑田和樹, 足立大樹, 伊東篤志. Development of 1500MPa-30% high strength and high ductility 5% Mn steel by Cementite metallurgy. 材料とプロセス(CD-ROM). 2020. 33. 1
井上達央, 伊東篤志, 足立大樹, 鳥塚史郎. Effect of Alloying Elements and Strain Induced Transformation on Tensile Properties of Austempered Ductile Cast Iron Heat Treated from (a+γ) Range. 鋳造工学. 2020. 92. 1
鳥塚史郎, 蓑田和樹, 蓑田和樹, 足立大樹, 伊東篤志. Development of 5% Mn ferrite + austenite steel with 1500MPa-30% high strength and high ductility by cementite metallurgy. 材料とプロセス(CD-ROM). 2020. 33. 2
Analysis on hydrogen embrittlement of ultrafine grained stainlessls and martensitic steels by 0.3mm thin wall hollow high pressure hydrogen low temperature tensile test
(2023)
Validity of 0.3mm thin wall hollow high pressure hydrogen low temperature tensile test on hydrogen embrittlement of stainless steels.
(2023)
圧延されたフェライト+Mnリッチセメンタイト組織の低温焼入 Breakthrough of ultrafine grain microstructure formation Low temperature quenching of lightly cold rolled ferrite + Mn-Rich cementite microstructure
(2023)
Dislocation Density Analysis of High Temperature S-S Curves of 3D printed Hastelloy-X Alloy
(2023)
X-ray diffraction in-situ tensile test at elevated temperature in the SLM fabricated Inconel738LC Ni-based superalloy
(2023)
日本鋳造工学会
, THE JAPAN SOCIETY FOR HEAT TREATMENT
, THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY
, THE JAPAN INSTITUTE OF METALS AND MATERIALS
, THE IRON AND STEEL INSTITUTE OF JAPAN