Fatigue Behavior of Silicon Carbide Fiber Reinforced Lithium-Alumino-Silicate Glass-Ceramics
The mechanical fatigue behavior of Nicalon silicon carbide-type fiber reinforced lithium-alumino-silicate glass-ceramic matrix composites (SiC/LAS) was examined as a function of matrix composition and fiber ply lay-up. Both tensile and flexural fatigue behavior were determined at room temperature in air. The results are discussed in terms of the effect of the non-linearity in the stress-strain behavior on the fatigue life of these composites as well as the effects of applied stress state. Differences in fracture surface appearance are related to composite matrix composition and ply lay-up.
KeywordsFatigue Behavior Residual Strength Fiber Pullout Flexural Stress Flexural Fatigue
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- 1.K. M. Prewo and J. J. Brennan, “High-Strength Silicon Carbide Fiber-Reinforced Glass-Matrix Composites”, J. Mater. Sci, 15, 463–468(1980).Google Scholar
- 4.K. M. Prewo, “Advanced Characterization of SiC Fiber Reinforced Glass-Ceramic Matrix Composites”, Interim Report, Contract N00014-81-C0571, Project No. NR420-002/4-16-81(260), June 1983.Google Scholar
- 5.K. M. Prewo and G. K. Layden, “Advanced Fabrication and Characterization of SiC Fiber Reinforced Glass-Ceramic Matrix Composites”, Interim Report, Contract N00014-81-C-0571, Project No. NR420-004/4-23- 82 (260), April 1984.Google Scholar
- 6.K. M. Prewo, G. K. Layden, E. J. Minford, and J. J. Brennan, “Advanced Characterization of Silicon Carbide Fiber Reinforced Glass-Ceramic Matrix Composites”, Interim Report, Contract N00014-81-C-0571, Project No. NR420-004/4-23-82(260), June 1985.Google Scholar