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Hideki Matsui

Kyoto University

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Publication

Featured researches published by Hideki Matsui.

Materials Science Forum | 2010

Microstructural Evaluation of Dy-Ni-Al Grain-Boundary-Diffusion (GBD) Treatment on Sintered Nd-Fe-B Magnet

Naoko Oono; Masato Sagawa; Ryuta Kasada; Hideki Matsui; Akihiko Kimura

A novel GBD treatment with Dy-Ni-Al eutectic alloy powder enhanced the coercivity of the sintered Nd-Fe-B magnet plate as thick as 5mm to 1760 kA/m (22 kOe) without reducing the remanence. The results of wavelength dispersive X-ray spectroscopy (WDS) indicated that this industrially epoch-making treatment spread Dy, which is a coercivity enhancing element, from the surface to the centre of the magnet through Nd-rich phase. Microstructural observations suggested that Ni and Al, which are the melting point depressants of Nd and Dy, enabled the high diffusivity of Dy.

Journal of Magnetism and Magnetic Materials | 2011

Production of thick high-performance sintered neodymium magnets by grain boundary diffusion treatment with dysprosium–nickel–aluminum alloy

Naoko Oono; Masato Sagawa; Ryuta Kasada; Hideki Matsui; Akihiko Kimura

Journal of Nuclear Materials | 2010

One-dimensional motion of self-interstitial atom clusters in A533B steel observed using a high-voltage electron microscope

Takumi Hamaoka; Y. Satoh; Hideki Matsui

Journal of Nuclear Materials | 2013

One-dimensional motion of interstitial clusters in iron-based binary alloys observed using a high-voltage electron microscope

Takumi Hamaoka; Yuhki Satoh; Hideki Matsui

Journal of Nuclear Materials | 2013

Comparison of irradiation hardening and microstructure evolution in ion-irradiated delta and epsilon hydrides

Naoko Oono; Ryuta Kasada; Toru Higuchi; Kan Sakamoto; Masafumi Nakatsuka; Akiko Hasegawa; Sosuke Kondo; Noriyuki Y. Iwata; Hideki Matsui; Akihiko Kimura

Journal of Nuclear Materials | 2013

Irradiation creep behavior of V–4Cr–4Ti alloys irradiated in a liquid sodium environment at the JOYO fast reactor

Ken-ichi Fukumoto; Hideki Matsui; Minoru Narui; Masanori Yamazaki

Journal of Nuclear Materials | 2011

Irradiation hardening and microstructure evolution of ion-irradiated Zr-hydride

Naoko Oono; Ryuta Kasada; Toru Higuchi; Kan Sakamoto; Masafumi Nakatsuka; Akiko Hasegawa; Sosuke Kondo; Hideki Matsui; Akihiko Kimura

Journal of Nuclear Materials | 2011

Effect of impurities on mechanical properties of vanadium alloys under liquid-lithium environment during neutron irradiation at HFIR

Ken-ichi Fukumoto; Y. Kuroyanagi; H. Kuroiwa; Minoru Narui; Hideki Matsui

Materia Japan | 2008

Precipitation Behavior of Vanadium Alloys during Creep Deformation in a Liquid Sodium Environment

K. Fukumoto; Hideki Matsui

Archive | 2013

Cluster Dynamics Simulation on Microstructure Evolution of Austenitic Stainless Steel and α-Iron Under Cascade Damage Condition

Yosuke Abe; S. Jitsukawa; Nariaki Okubo; Hideki Matsui; Takashi Tsukada

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Naoko Oono

Kyoto University

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Akihiko Kimura

Kyoto University

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Ryuta Kasada

Kyoto University

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Tadahiko Iizuka

Kansai Medical University

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Yukitada Hyo

Kyoto University

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Hisashi Adachi

Kyoto University

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Ken-Ichiro Murakami

Kyoto University

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Takumi Hamaoka

Tohoku University

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Yoshihiko Yokoe

Kyoto University

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Yuhki Satoh

Tohoku University

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