Research theme for competitive and other funds (2)：
2006 - 2010 複層鋼板プロジェクト
Strengthening of ferrite matrix steels for welded structures
Papers (89)：
Keitaro ENAMI, Kotobu NAGAI, Shiro TORIZUKA, Tadanobu INOUE. The Neck Growth Model in a Smooth Round Tension and a Circumferentially Notched Tension. Tetsu-to-Hagane. 2017. 91. 10. 769-774
Shiro TORIZUKA, Kotobu NAGAI, Tadanobu INOUE, Toshihiro HANAMURA, Eijiro MURAMATSU, S. V, S. N. MURTY, Toru HAYASHI, Akio OHMORI. Fundamental Research for Ultra-Refinement of Grains of Steel and Fabricating Bar and Plate Steel. Journal of the Japan Society for Technology of Plasticity. 2017. 49. 575. 1135-1139
Tadanobu INOUE, Shojiro OCHIAI, Masaki HOJO, Kotobu NAGAI. Fracture Criterion of Single Fiber-Composite under Thermal and Tensile Loadings Based on Energy Release Rate. Journal of the Society of Materials Science, Japan. 2011. 52. 7. 815-820
LI Long, IWASAKI Satoshi, YIN Fuxing, NAGAI Kotobu. Prediction of Nominal Stress-Strain Curves of a Multi-Layered Composite Material by FE Analysis. Materials Transactions. 2010. 51. 12. 2188-2195
NAGAI Kotobu. Future Prospects of Materials for Body under Severe Resource-constrained Conditions. 2010. 64. 7. 46-51
KISHIMOTO Satoshi, TANAKA Yoshihisa, YIN Fuxing, KAGAWA Yutaka, NAGAI Kotobu. 442 Measurement of Micro-Deformation around the boundary in Laminated Steel. Materials and processing conference. 2009. 2009. 17. "442-1"-"442-2"
INOUE Tadanobu, OCHIAI Tomoyuki, YIN Fuxing, NAGAI Kotobu. 155 Prototyping of Ultrafine-grained Steel Plate by Numerical Simulation. The Computational Mechanics Conference. 2008. 2008. 21. 696-697
INOUE Tadanobu, YIN Fuxing, NAGAI Kotobu. 306 Effect of Shear Deformation on Microstructure Evolution of of Austenite Grain Interiors. Materials and processing conference. 2006. 2006. 14. 155-156
