Abstract
The present work deals with the mechanical characterization of a new Al2O3/Al2O3 composite material and its durability performance during the exposure at high temperature environment that simulates the working conditions of a gas turbine. Stiffness and strength variation versus the exposure duration at 1100 °C are identified by means of tensile tests and ultrasonic stiffness matrix measurements. More precisely, a new characterization technique based on the inversion of phase velocity data gained by immersive ultrasonic tests, was used for the determination of the complete stiffness matrix of the oxide/oxide composite, and anisotropic damage functions was introduced in the case the material experiences long term high temperature exposure.
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Kostopoulos, V., Vlachos, D.E. (2003). Long Term Behaviour of Continuous Fiber Oxide/Oxide Composites Under Thermal Exposure. In: Gdoutos, E.E., Marioli-Riga, Z.P. (eds) Recent Advances in Composite Materials. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2852-2_18
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DOI: https://doi.org/10.1007/978-94-017-2852-2_18
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-6294-9
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