2018 Annual Meeting

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V. Fusion Energy Engineering » 501-3 Tritium Science and Technology (Fuel Recovery and Refining, Measurement, Iisotope Effect, Safe Handling)

[2C07-13] Measurement, Production, Behavior

Tue. Mar 27, 2018 2:45 PM - 4:40 PM Room C (R1-211 -R1 Building)

Chair: Teppei Otsuka (Kindai Univ.)

4:15 PM - 4:30 PM

[2C13] Absorption and Release of Hydrogen Isotopes by CuCrZr and Cu-ODS Alloys

*Yuji Hatano1, Peng Shi1, Xin Xiang1, Takeshi Toyama2, Sosuke Kondo3, Tatsuya Hinoki3 (1. Hydrogen Isotope Res. Ctr., Univ. Toyama, 2. Inst. Mater. Res., Tohoku Univ., 3. Inst. Advanced Energy, Kyoto Univ.)

Keywords:Isotope effects, Radiation effects, Divertor, Cooling tube, thermal desorption

CuCrZr and Cu-ODS alloys were exposed to H2, D2 and H2-D2 mixture gases and then subjected to thermal desorption spectroscopy. Radiation effects were studied using 5.1 MeV Cu ions. Significant isotope effects and radiation effects were observed; lighter hydrogen isotope molecules desorbed at lower temperatures, and hydrogen isotope retention clearly increased with Cu ion irradiation.