Influence of dislocation–solute atom interactions and stacking fault energy on grain size of single-phase alloys after severe plastic deformation using high-pressure torsion

Kaveh Edalati, Daichi Akama, Asuki Nishio, +4

Acta Materialia

Materials ScienceEngineeringSevere Plastic DeformationDislocation InteractionMechanical Engineering +9

Effect of Grain Boundary Segregation of Interstitial Elements on Hall–Petch Coefficient in Steels

Setsuo Takaki, Daichi Akama, Nobuo Nakada, +1

MATERIALS TRANSACTIONS

Materials ScienceMaterials EngineeringDislocation EmissionHall–petch CoefficientHall–petch Relation +11

Microstructure and mechanical properties of a medium manganese steel treated with interrupted quenching and intercritical annealing

Toshihiro Tsuchiyama, T. Inoue, Junya Tobata, +2

Scripta Materialia

Materials ScienceEngineeringMechanical PropertiesCorrosionMechanical Engineering +5

Change in Dislocation Characteristics with Cold Working in Ultralow-carbon Martensitic Steel

Daichi Akama, Toshihiro Tsuchiyama, Setsuo Takaki

ISIJ International

Materials ScienceClassical Williamson–hallDislocation CharacteristicsEngineeringSevere Plastic Deformation +13

Plastic deformation and dissolution of ε-Cu particles by cold rolling in an over-aged particle dispersion strengthening Fe-2mass%Cu alloy

Toshihiro Tsuchiyama, Shinji Yamamoto, Satoshi Hata, +4

Acta Materialia

Materials ScienceMaterials EngineeringEngineeringSevere Plastic DeformationMechanical Engineering +7

Discontinuous yielding induced by the addition of nickel to interstitial-free steel

Daichi Akama, Nobuo Nakada, Toshihiro Tsuchiyama, +2

Scripta Materialia

Materials ScienceEngineeringCorrosionMechanical EngineeringMetallurgical Interaction +6

Evaluation of Dislocation Density in Cold-Worked Iron as Measured Via X-Ray Diffractometry

Daichi Akama, Toshihiro Tsuchiyama, Setsuo Takaki

Journal of the Society of Materials Science Japan

EngineeringSevere Plastic DeformationMechanical EngineeringYield Stress δσHigh Strength Low Alloy Steel +18

Effect of Low Temperature Aging on Hall-Petch Coefficient in Ferritic Steels Containing a Small Amount of Carbon and Nitrogen

Satoshi Araki, Kohei Fujii, Daichi Akama, +4

Tetsu-to-Hagane

Materials ScienceEngineeringCorrosionMechanical EngineeringMetallurgical Interaction +10

Effect of Low Temperature Aging on Hall-Petch Coefficient in Ferritic Steels Containing a Small Amount of Carbon and Nitrogen

Satoshi Araki, Kohei Fujii, Daichi Akama, +4

ISIJ International

Materials ScienceLow TemperatureMetal ProcessingHall–petch CoefficientEngineering +12

Comparison of Microstructure and Hardness between High-carbon and High-nitrogen Martensites

Toshihiro Tsuchiyama, Kurato Inoue, Katsutoshi Hyodo, +4

ISIJ International

Materials ScienceMagnetic PropertiesFe–c AlloyEngineeringFe–n Alloy +13