[P] P37,P80～P87

1:00 PM - 2:30 PM JST(4:00 AM - 5:30 AM UTC)

[P86] Microstructure changes of SiC fiber due to impurities induced internal oxidation

*Xinwei YUAN^1,2, Sosuke KONDO², Kazuya SHIMODA³, Hao YU², Yasuki OKUNO², Ryuta KASADA² (1. 東北大工(院生)、2. 東北大金研、3. 物材機構)

Keywords:

Silicon carbide,Fibers,Oxidation,Mechanical properties,Micropillar compression

The strength of SiCf/SiC is strongly dependent on the fiber strength which is degraded after oxidation. This study aims to clarify what microstructural changes were induced by oxidation.