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長坂 琢也


Teaching content

A research on fusion reactor materials and fusion blankets is guided.Fusion blanket is a component to convert the fusion plasma energy into power generation. High thermal efficiency and long-life blanket is essential to realize the fusion reactors. Students will be guided and participate in the researches at the forefront, such as (1)developmentof new heat-resistant alloys for high operation temperature and high thermal efficiency blankets, (2) development for joining, heat-resistant coating and anti-corrosion coating techniques for the new alloys, (3) investigation on the corrosion mechanism for the new alloys at high temperature, and solution for the corrosion, and (4) investigation on the mechanisms for radiation damage in the new alloys and improvement ofthem to resist the radiation damage.

Course Division of Fusion System
Affiliation Fusion Systems Research Division
Department Structural Materials Properties Research Section
Degree Doctor of Engineering
Works -Takuya Nagasaka, Masami Ando, Hiroyasu Tanigawa, Hideo Sakasegawa, Teruya Tanaka, Takeo Muroga, Akio Sagara, “Tensile properties of F82H steel after aging at 400-650°C for 1,000-30,000 h”, Fusion Engineering and Design, Vol. 124, 2017, pp. 1011-1014.

-Takuya Nagasaka, Haiying Fu, Nobuyuki Kometani, Takeshi Miyazawa, Takeo Muroga, Hideo Watanabe, Masanori Yamazaki, Takeshi Toyama,“Impact Property of Low-Activation Vanadium Alloy NIFS-HEAT-2 After Electron Beam Welding and Neutron Irradiation”, Fusion Science and Technology, Vol. 72, 2017, pp. 645-651.

-Takuya Nagasaka, Hideo Sakasegawa, Hiroyasu Tanigawa, Masami Ando, Teruya Tanaka, Takeo Muroga, Akio Sagara, “Tensile properties of F82H steel after aging at 400-650 °C for 100,000 h”, Fusion Engineering and Design, Vols. 98-99, 2015, pp. 2046-2049.
Responsible course SOKENDAI: " Fusion Reactor Materials "


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