[2O01-04] Tungsten(Radiation Effects)

[2O02] Irradiation effects in tungsten materials for fusion reactors

(1)High-temperature tensile properties of neutron-irradiated tungsten materials

*Takeshi Miyazawa¹, Lauren M. Garrison², Yutai Katoh², Tatsuya Hinoki³, Akira Hasegawa¹ (1. Tohoku Univ., 2. Oak Ridge National Laboratory, 3. Kyoto Univ.)

Keywords:Fusion reactor, Divertor, Tungsten, Neutron irradiation, High-temperature tensile properties

In tungsten (W) neutron-irradiated by material testing reactors which have high thermal neutron flux, it is well known that transmutation elements such as rhenium and osmium form irradiation-induced precipitates and then enhance significant irradiation hardening. In this study, we report the high-temperature tensile properties of W materials neutron-irradiated with a thermal neutron shield.