Fatigue Behavior of Ceramic Matrix Composite Oxidized at Intermediate Temperatures

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  • Zhu Shijie
    Department of Intelligent Mechanical Engineering, Fukuoka Institute of Technology

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Abstract

The effect of intermediate temperature oxidation on fatigue behavior of SiC/SiC is investigated to understand fatigue damage mechanisms. It has been found that fatigue life is decreased by 13% after oxidation at 600°C for 100 hours due to disappearance of carbon interphase by oxidation. The strong bonding between the fibers and matrix caused by SiO2 formation at 800°C for 100 hours leads to the shortest fatigue life.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 47 (8), 1965-1967, 2006

    The Japan Institute of Metals and Materials

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