Tadakatsu Ohkubo

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Kazuhiro HonoNational Institute for Materials ScienceVerified email at nims.go.jp
Hossein Sepehri-AminSenior Researcher at National Institute for Materials Science, Tsukuba, JapanVerified email at nims.go.jp
Taisuke SASAKINational Institute for Materials Science (NIMS)Verified email at nims.go.jp
Seiji MitaniNational Institute for Materials ScienceVerified email at nims.go.jp
Hiroaki SukegawaNational Institute for Materials ScienceVerified email at nims.go.jp
YK TakahashiNational Institute for Materials ScienceVerified email at nims.go.jp
Satoshi HIROSAWANational Institute for Materials ScienceVerified email at nims.go.jp
Tang XinNational Institute for Materials ScienceVerified email at nims.go.jp
Thomas SchreflCenter for Integrated Sensor Systems, Danube University KremsVerified email at donau-uni.ac.at
Shigeharu KamadoNagaoka University of TechnologyVerified email at mech.nagaokaut.ac.jp
Takao FurubayashiNational Institute for Materials ScienceVerified email at nims.go.jp
Chen YimengCAMECA Instruments Inc,Verified email at ametek.com
Shinya KASAISenior Researcher, National Institute for Materials ScienceVerified email at nims.go.jp
Xian-Dong XU (徐先東)Professor / Center for High-Resolution Electron Microscopy, Hunan University (Yuelu Academy)Verified email at hnu.edu.cn
Zhenchao WenSenior Researcher, NIMSVerified email at nims.go.jp
Tetsuya NakamuraInternational Center for Synchrotron Radiation Innovation Smart, Tohoku UniversityVerified email at tohoku.ac.jp
Jun LIUWestern Digital; NREL; TAMU; NIMS; Uni. Tsukuba; HUSTVerified email at nrel.gov
Raghavan GopalanRegional Director, ARCI, IndiaVerified email at arci.res.in
David E. LaughlinALCOA Professor of Physical Metallurgy, Materials Science and Engineering, Carnegie MellonVerified email at andrew.cmu.edu
Wanfeng LiResearch Engineer, Ford Motor CompanyVerified email at ford.com

Tadakatsu Ohkubo

Research Center for Magnetic and Spintronic Materials, National Institute for Materials Science

Verified email at nims.go.jp - Homepage

Magnetic Materials Electron Microscopy Atom Probe


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Effect of Zn additions on the age-hardening of Mg–2.0 Gd–1.2 Y–0.2 Zr alloys T Honma, T Ohkubo, S Kamado, K Hono Acta Materialia 55 (12), 4137-4150, 2007	491	2007
Grain boundary and interface chemistry of an Nd–Fe–B-based sintered magnet H Sepehri-Amin, T Ohkubo, T Shima, K Hono Acta Materialia 60 (3), 819-830, 2012	342	2012
Chemistry of nanoscale precipitates in Mg–2.1 Gd–0.6 Y–0.2 Zr (at.%) alloy investigated by the atom probe technique T Honma, T Ohkubo, K Hono, S Kamado Materials Science and Engineering: A 395 (1-2), 301-306, 2005	306	2005
Plasticity and structural instability in a bulk metallic glass deformed in the supercooled liquid region TG Nieh, J Wadsworth, CT Liu, T Ohkubo, Y Hirotsu Acta Materialia 49 (15), 2887-2896, 2001	302	2001
Enhanced age hardening response by the addition of Zn in Mg–Sn alloys TT Sasaki, K Oh-Ishi, T Ohkubo, K Hono Scripta Materialia 55 (3), 251-254, 2006	287	2006
Effect of post-sinter annealing on the coercivity and microstructure of Nd–Fe–B permanent magnets WF Li, T Ohkubo, K Hono Acta Materialia 57 (5), 1337-1346, 2009	277	2009
Bulk mechanical alloying of Cu–Ag and Cu/Zr two-phase microstructures by accumulative roll-bonding process S Ohsaki, S Kato, N Tsuji, T Ohkubo, K Hono Acta Materialia 55 (8), 2885-2895, 2007	271	2007
In situ formed two-phase metallic glass with surface fractal microstructure AA Kündig, M Ohnuma, DH Ping, T Ohkubo, K Hono Acta Materialia 52 (8), 2441-2448, 2004	270	2004
High-coercivity ultrafine-grained anisotropic Nd–Fe–B magnets processed by hot deformation and the Nd–Cu grain boundary diffusion process H Sepehri-Amin, T Ohkubo, S Nagashima, M Yano, T Shoji, A Kato, ... Acta Materialia 61 (17), 6622-6634, 2013	266	2013
Demonstration of half-metallicity in fermi-level-tuned Heusler alloy Co 2 FeAl 0.5 Si 0.5 at room temperature R Shan, H Sukegawa, WH Wang, M Kodzuka, T Furubayashi, T Ohkubo, ... Physical review letters 102 (24), 246601, 2009	262	2009
Coercivity enhancement of hydrogenation–disproportionation–desorption–recombination processed Nd–Fe–B powders by the diffusion of Nd–Cu eutectic alloys H Sepehri-Amin, T Ohkubo, T Nishiuchi, S Hirosawa, K Hono Scripta Materialia 63 (11), 1124-1127, 2010	242	2010
The mechanism of coercivity enhancement by the grain boundary diffusion process of Nd–Fe–B sintered magnets H Sepehri-Amin, T Ohkubo, K Hono Acta Materialia 61 (6), 1982-1990, 2013	238	2013
Phase separation in Cu43Zr43Al7Ag7 bulk metallic glass JC Oh, T Ohkubo, YC Kim, E Fleury, K Hono Scripta materialia 53 (2), 165-169, 2005	238	2005
Effect of Nd content on the microstructure and coercivity of hot-deformed Nd–Fe–B permanent magnets J Liu, H Sepehri-Amin, T Ohkubo, K Hioki, A Hattori, T Schrefl, K Hono Acta Materialia 61 (14), 5387-5399, 2013	208	2013
Bimodally grained microstructure development during hot extrusion of Mg–2.4 Zn–0.1 Ag–0.1 Ca–0.16 Zr (at.%) alloys K Oh-Ishi, CL Mendis, T Homma, S Kamado, T Ohkubo, K Hono Acta Materialia 57 (18), 5593-5604, 2009	207	2009
TEM and 3DAP characterization of an age-hardened Mg–Ca–Zn alloy JC Oh, T Ohkubo, T Mukai, K Hono Scripta materialia 53 (6), 675-679, 2005	202	2005
The kinetics of nanocrystallization and microstructural observations in FINEMET, NANOPERM and HITPERM nanocomposite magnetic materials ME McHenry, F Johnson, H Okumura, T Ohkubo, VRV Ramanan, ... Scripta Materialia 48 (7), 881-887, 2003	199	2003
Size dependence of ordering in FePt nanoparticles YK Takahashi, T Koyama, M Ohnuma, T Ohkubo, K Hono Journal of Applied Physics 95 (5), 2690-2696, 2004	191	2004
Microstructure of fine-grained Nd–Fe–B sintered magnets with high coercivity H Sepehri-Amin, Y Une, T Ohkubo, K Hono, M Sagawa Scripta Materialia 65 (5), 396-399, 2011	189	2011
The origin of coercivity decrease in fine grained Nd–Fe–B sintered magnets WF Li, T Ohkubo, K Hono, M Sagawa Journal of Magnetism and Magnetic Materials 321 (8), 1100-1105, 2009	188	2009

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