学術雑誌論文 Fatigue Properties of SiC/SiC Composites Under Various Loading Modes

Nogami, Shuhei  ,  Nozawa, Takashi  ,  Kawai, Daichi  ,  Guan, Wenhai  ,  Hasegawa, Akira

72 ( 3 )  , pp.398 - 403 , 2017-06
内容記述
Because fatigue resistance is one of the most important issues for the blanket structural materials of the fusion reactor, the fatigue damage formation processes of the advanced SiC/SiC composite (Tyranno SA 3rd/CVI-SiC composite with SiC/C multilayer interphase) for fusion reactor applications were investigated. The fatigue tests of the SiC/SiC composite were successfully performed up to 10^5 cycles with no significant technical issues by using a small specimen test technique developed under the IFMIF/EVEDA. Based on the evaluation of the modulus change during the fatigue tests, the tensile loading was clarified to be a dominant factor for the degradation of the SiC/SiC composite.

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