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- W2068756645 abstract "Al<sub>2</sub>O<sub>3</sub> reinforced by SiC whiskers (Al<sub>2</sub>O<sub>3</sub>/SiC-W) was sintered in order to investigate the fatigue strength of crack-healed specimens at high temperature. A semi-elliptical surface crack of 100μm in surface length was introduced on each specimen surface. These specimens were crack-healed at 1300°C for 1 h in air, and static and cyclic fatigue strengths were systematically investigated at room temperature, 900°C, and 1100°C by three-point bending. The static and cyclic fatigue limits of the crack-healed specimens were more than 70% of the average bending strength at each testing temperature. Crack-healed specimens of Al<sub>2</sub>O<sub>3</sub>/SiC-W were not sensitive to static and cyclic fatigues at room temperature and high temperatures. Therefore, the combination of crack-healing and whisker reinforcement can play an important role in increasing static and cyclic fatigue strengths at high temperature." @default.
- W2068756645 created "2016-06-24" @default.
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- W2068756645 date "2004-02-16" @default.
- W2068756645 modified "2023-09-23" @default.
- W2068756645 title "High-temperature fatigue strength of crack-healed Al2O3 toughened by SiC whiskers" @default.
- W2068756645 doi "https://doi.org/10.1117/12.580720" @default.
- W2068756645 hasPublicationYear "2004" @default.
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