Kabushiki Kaisha Toshiba

Yoshihiro Hyodo

Akira Tanaka

Satoshi Wada

Naoki Shibukawa

Tetsushi Okamoto

Kenichi Yamazaki

Rei Kimura

Takashi Harakawa

Fumio Sawa

Ryosuke Miura

Kunio Hoshino

Hiroaki Cho

Tadayuki Hashidate

Masamitsu Sakuma

Taishi Yoshida

Yoshiro Nishioka

A nuclear device including a plurality of heat pipes; a first fuel configured to surround respective of the plurality of heat pipes coaxially with respect to a central axis of each of the respective heat pipes, the first fuel containing a fissile material at a first enrichment level; a second fuel configured to directly abut the first fuel on the outside of the first fuel and farther than the first fuel from the respective heat pipes surrounded by the first fuel, the second fuel containing the fissile material at a second enrichment level less than the first enrichment level; and a core including the heat pipes arranged in parallel with each other.

Nuclear reactor and a method of heat transfer from a core

An erosion resistant material has a continuous portion and discontinuous portions. The continuous portion has a continuous structure. The discontinuous portions are arranged inside the continuous portion to have a discontinuous structure. The discontinuous portions are formed of particles having an average particle diameter of 1 &#x3bc;m or less. Further, the discontinuous portions are formed of a material having a surface hardness and a Young's modulus higher than those of the continuous portion.

Erosion resistant material and turbine blade

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Kawasaki, Japan

Yoshihiro Hyodo