Kyushu University Academic Staff Educational and Research Activities Database
List of Papers
Kazuhito Ohsawa Last modified date:2022.06.15

Assistant Professor / Division of Nuclear Fusion Dynamics / Research Institute for Applied Mechanics

1. Kazuhito Ohsawa, Takeshi Toyama, Yuji Hatano, Masatake Yamaguchi, Hideo Watanabe, Stable structure of hydrogen atoms trapped in tungsten divacancy, Journal of Nuclear Materials,, 527, 151825-1-151825-7, 2019.09.
2. Y. Ueno, A. Iwase, K. Ohsawa, X. Oiu, K. Sato, Y. Saitoh, F. Hori, Study of defects introduced by 2 and 9 MeV electron irradiation in B2 type Fe-Al alloy, Defect and Diffusion Forum, 373, 126-129, 2017.03.
3. B. Tsuchiya, T. Yamamoto, K. Ohsawa, G. R. Odette, First-principles calculation of formation energies and electronic structures of hydrogen defects at tetrahedral and octahedral interstitial sites in pyrochlore-type Y2Ti2O7 oxide, Journal of Alloys and Compounds, 678, 153-159, 2016.09.
4. Michio Yamawaki, Takuya Yamamoto, Yuji Arita, Fumihiro Nakamori, Kazuhito Ohsawa, Kenji Konashi, Hydriding properties of uranium alloys for purposes of searching for new hydrogen storage materials, Nuclear Science and Techniques, 26, S10312-1-S10312-6, S10312, 2015.03.
5. Kazuhito Ohsawa, Fumihiro Nakamori, Yuji Hatano, Masatake Yamaguchi, Thermodynamics of hydrogen-induced superabundant vacancy in tungsten, Journal of Nuclear Materials, 458, 187-197, 2015.01.
6. Michio Yamawaki, Yuji Arita, Takuya Yamamoto, Fumihiro Nakamori, Kazuhito Ohsawa, Depleted Uranium as Hydrogen Storage Material, Advances in Science and Technology, 94, 32-37, 2014.11.
7. Kazuhito Ohsawa, Yuuji Hatano, Masatake Yamaguchi, Thermodynamic properties of vacancy-hydrogen complex in tungsten, Reports of Research Institute for Applied Mechanics, Kyushu University, 143, 29-32, 2012.09.
8. Kazuhito Ohsawa, Keisuke Eguchi, HIDEO WATANABE, Masatake Yakaguchi, MASATOSHI YAGI, Configuration and binding energy of multiple hydrogen atoms trapped in monovacancy in bcc transition metals, PHYSICAL REVIEW B, 85, 094102-1-094102-8, 2012.03.
9. Kazuhito Ohsawa, MASATOSHI YAGI, Hirokazu Koizumi, Eiichi Kuramoto, Interaction energy between dislocation loops in an anisotropic crystal: Application of elasticity theory, Journal of Nuclear Materials, 417, 1071-1073, 2011.01.
10. Kazuhito Ohsawa, Junya Goto, Masatake Yamaguchi, MASATOSHI YAGI, Trapping of multiple hydrogen atoms in a tungsten monovacancy from first principles, PHYSICAL REVIEW B, 82, 184117-1-184117-6, 2010.11.
11. Junya Goto, Kazuhito Ohsawa, MASATOSHI YAGI, Numerical study on hydrigen retention at a grain boundary in tungsten, 九州大学応用力学研究所所報, 139, 75-79, 2010.09.
12. Kazuhito Ohsawa, Junya Goto, Masahiro Yamakami, Masatake Yamaguchi, MASATOSHI YAGI, Trapping of multiple hydrogen atoms in a tungsten monovacancy, 九州大学応用力学研究所所報, 139, 69-73, 2010.09.
13. K. Ohsawa, M. Yagi, H. Koizumi, E. Kuramoto, Stress function for dislocation loops in anisotropic crystals, IOP Conf. Series: Materials Science and Engineering 3 (2009) 012027, 1-6, 2009.12.
14. Kazuhito Ohsawa, Masatoshi Yagi, Hirokazu Koizumi and Eiichi Kuramoto, Stress functions for dislocation loops in anisotropic crystals, Dislocations 2008, p. 65, 2008.10.
15. Kazuhito Ohsawa and Eiichi Kuramoto, Thermally activated transport of a dislocation loop within an elastic model, Journal of Nuclear Materials, Vol. 367-370, 327-331, 2007.08.
16. K. Ohsawa and E. Kuramoto, Equilibrium Structure and Thermal activation of Dislocation Loops in BCC Metals, Proceedings of 3rd International Conference on Multiscale Materials Modeling, 779-781, 2006.09.
17. Analysis of Thermally Activated Processes of Dislocation Loops within a Line Tension Model.
18. K. Ohsawa and E. Kuramoto, Activation Energy and Saddle Point Configuration of High-Mobility Dislocation Loops: a Line Tension Model, Phys. Rev. B, 10.1103/PhysRevB.72.054105, 72, 5, Vol. 72 No. 2 (2005) p. 054105., 2005.08.
19. Kazuhito Ohsawa and Eiichi Kuramoto, Analysis of the Thermal Activation of High-Mobility Dislocation Loops, Materials Transactions, 10.2320/matertrans.46.457, 46, 3, 457-462, Vol. 46 No. 3 (2005) pp. 457-462, 2005.03.
20. Eiichi Kuramoto, Kazuhito Ohsawa and Tetsuo Tsutsumi, Interrelation between Dislocation Loops and an Edge Dislocation, Materials Transactions, 10.2320/matertrans.46.450, 46, 3, 450-456, Vol. 46, No. 3 (2005) pp. 450-456, 2005.03.
21. Kazuhito Ohsawa, Eiichi Kuramoto, Activation Energy for Double-Kink Formation on a Dislocation Line Estimated in a Finite Temperature 3D Crystal, Transactions of the Materials Research Society of Japan, Vol. 29 No. 8 (2004) pp. 3607-3610, 2004.12.
22. E. Kuramoto, K. Ohsawa, J. Imai, K. Obata and T. Tsutsumi, Bias Mechanism and Its Effects for Fundamental Process of Irradiation Damage, Mat. Trans. JIM, 10.2320/matertrans.45.34, 45, 1, 34-39, Vol.45, No.1 (2004) 34-39., 2004.02.
23. E. Kuramoto, K. Ohsawa and T. Tsutsumi, Study of Fundamental Features of Bias Effect in Metals under Irradiation, Journal of Nuclear material, 10.1016/S0022-3115(02)01103-0, 307, 982-987, Vol.307-311 (2002) 982-987., 2002.12.
24. E. Kuramoto, K. Ohsawa and T. Tsutsumi, Computer Simulation of Fundamental Behaviors of Point Defects, Clusters and Interaction with Dislocations in Fe and Ni, Computational Modeling Engineering and Science, 3, 2, 193-200, Vol.3, No.2 (2002) 193-200, 2002.04.
25. E. Kuramoto, K. Ohsawa and T. Tsutsumi, Computer Simulation of Atomic Properties and Dynamic Behavior of Interstitial Clusters in Fe and Ni, Journal of Computer Aided Materials Design, 10.1023/A:1026507023335, 7, 2, 89-95, Vol.7 (2000) 89-95., 2000.12.
26. M. Takenaka, K. Ohsawa, M. I. Ansari, N. Tsukuda and E. Kuramoto, The Effect of Electrical Hydrogen Charging on the Strength of 316 Stainless Steel, Journal of nuclear materials, 10.1016/S0022-3115(00)00346-9, 283, 863-867, Vol.283-287 (2000) 863-867., 2000.12.
27. E. Kuramoto, K. Ohsawa and T. Tsutsumi, Computer Simulation of Defects Interacting with a Dislocation in Fe and Ni, Journal of Nuclear Material, 10.1016/S0022-3115(00)00361-5, 283, 778-783, Vol.283-287 (2000) 778-783., 2000.12.
28. K. Ohsawa and E. Kuramoto, Flexible boundary condition for a moving dislocation, Journal of Applied Physics, 10.1063/1.370714, 86, 1, 179-185, Vol 86 p. 179, 1999.07.