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Fracture Behavior of Ceramic Composites
A combined experimental and analytical study is described which investigated the strength and fracture toughness of whisker reinforced ceramics. Experiments were performed on Al2O3 reinforced with SiC whiskers mechanically loaded in four-point flexure. The results showed an increase in flexural strength and KIC as the whisker content of the composites was increased. Several fracture and strength theories were compared to the experimental results. The hypothesis which appeared most consistent with the data treated the composites as though they contained inherent flaws which were the length of the mean free path between reinforcing whiskers. Using this crack size, the measured flexural strength of the composites could be predicted by applying linear elastic fracture mechanics.
Fracture Behavior of Ceramic Composites
A combined experimental and analytical study is described which investigated the strength and fracture toughness of whisker reinforced ceramics. Experiments were performed on Al2O3 reinforced with SiC whiskers mechanically loaded in four-point flexure. The results showed an increase in flexural strength and KIC as the whisker content of the composites was increased. Several fracture and strength theories were compared to the experimental results. The hypothesis which appeared most consistent with the data treated the composites as though they contained inherent flaws which were the length of the mean free path between reinforcing whiskers. Using this crack size, the measured flexural strength of the composites could be predicted by applying linear elastic fracture mechanics.
Fracture Behavior of Ceramic Composites
K. W. Buesking (Autor:in) / S. N. Chatterjee (Autor:in)
1983
78 pages
Report
Keine Angabe
Englisch
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