2023 Annual Meeting
Mar 13 - Mar 15, 2023Tokyo University Komaba Campus
2023 Annual Meeting
Mar 13 - Mar 15, 2023Tokyo University Komaba Campus
[1A09]Strain reduction in tungsten due to annealing and change in hydrogen isotope permeation behavior.
*Hiroki Yata1, Kobayashi Makoto1,2, Takuya Nagasaka1,2(1. The Graduate University for Advanced Studies, 2. National Institute for Fusion Science)
Keywords:
hydrogen isotopes,permeation,tungsten
In D-T fusion power plants, the accumulation of hydrogen isotopes in the reactor materials leads to the loss of tritium, which is the fuel for fusion, and also affects the materials performance. The purpose of this study was to clarify the relationship between the strain in tungsten and the hydrogen isotopes trapped in the strain by investigating the change in hydrogen isotope permeation behavior when tungsten foils are annealed.