Hydrogen retention behavior in beryllide as advanced neutron multipliers

Presentation information

Oral Presentation

V. Fusion Energy Engineering » 501-2. Fusion Reactor Material Science (Reactor and Blanket Materials, Irradiation Behavior)

[3L05-08] Tritium breeders and neutron multiplier (adsorption and desorption of hydrogen isotopes / chemical stability)

Mon. Mar 28, 2016 10:55 AM - 12:00 PM Room L (Lecture Rooms C C105)

Chair: Teruya Tanaka (NIFS)

11:25 AM - 11:40 AM

＊Yuta Fujii¹, Mitsutaka Miyamoto¹, Jae-Hwan Kim², Masaru Nakamichi², Hirotomo Iwakiri³ (1.Shimane Univ., 2.JAEA, 3.Univ. of the Ryukyus)

Keywords:thermal desorption spectroscopy, microstructure, Be12Ti, Be12V

ベリリウム金属間化合物(ベリライド)の微小球の水素の放出挙動を純ベリリウムと比較して評価した．重水素イオン照射後の昇温脱離実験，および透過型電子顕微鏡を用いて微細組織観察の結果，ベリライド微小球においては，純ベリリウム微小球と比べ，単純で弱い水素の捕捉機構の存在が示唆された．