[P] P37,P80～P87

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

*袁 欣偉^1,2、近藤 創介²、下田 一哉³、余 浩²、奥野 泰希²、笠田 竜太² (1. 東北大工(院生)、2. 東北大金研、3. 物材機構)

キーワード：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.