[P] P142~P151

[P142] Influence of the grain size on the amorphization threshold of SiC under irradiation

*Xinwei YUAN^1,2, Sosuke KONDO², Kiyohiro YABUUCHI³, Hao YU², Yasuyuki OGINO², Ryuta KASADA² (1. Graduate School of Engineering, Tohoku University, 2. Institute For Materials Research, Tohoku University, 3. Institute For Advanced Energy, Kyoto University)

Keywords:Silicon carbide、Fibers、Irradiation、Amorphization、Room temperature

This work aims to know the contribution of annealing effects on the proportion of shrinkage and expansion on fibers and try to make clear the mechanism of irradiation-induced shrinkage in SiC fiber.