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19 May 2005 Optical fiber sensors for high-temperature characterization of ceramic-matrix composites
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Recent progress on the development of optical fiber sensors for both static and dynamic characterization of new ceramic-matrix composite aerospace structural materials is presented. Optical fiber sensors are employed over electrical strain gage equivalents due primarily to their lower mass, all dielectric construction, and ability to survive much higher temperatures than traditional wire-based strain gage instrumentation. In addition, the fiber sensor design ensures that it is shielded from surface shear strains that typically lead to fatigue-induced failure of wire-filament gages exposed to dynamic loading.
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Jon Greene, Corey Paye, Mike Belcher, and Larry Simmons "Optical fiber sensors for high-temperature characterization of ceramic-matrix composites", Proc. SPIE 5767, Nondestructive Evaluation and Health Monitoring of Aerospace Materials, Composites, and Civil Infrastructure IV, (19 May 2005);

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