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Standards Development
This standard is applicable for the measurement of high-temperature elastic modulus of ceramics and ceramic matrix composites, and may also serve as a reference for other materials.
Advanced ceramics and ceramic matrix composites are widely utilized in specialized environments and high-temperature applications, such as aviation, aerospace, and marine industries. The high specific stiffness of the structure relies on the high specific modulus of the material. However, achieving highprecision deformation measurements in high-temperature settings has consistently posed challenges, particularly in the assessment of high-temperature elastic modulus. This testing method relied on the pulse excitation method, which is inherently indirect and it calculates the elastic modulus based on the natural frequency rather than directly measuring deformation. As a result, a suitable method for determining the elastic modulus of ceramic composites at high temperatures has not yet been established. Therefore, accurately determining the high-temperature elastic modulus of ceramic composites is crucial. This proposal aims to develop a straightforward and practical method for measuring the high-temperature elastic modulus of ceramic composites.
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