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Predictive Modeling of Vibration Behavior for Ceramic Matrix Composite Thin Plates with Protective Coating in
Yao Yang1, Hui Li1,2, Haijun Wang3
1School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
Materials (Basel, Switzerland)
|August 13, 2026
Summary
This study presents a method to predict ceramic matrix composite thin plate (CMCTP) behavior at high temperatures. Protective coatings significantly improve thermo-vibrational resistance, crucial for aerospace applications.
Area of Science:
- Materials Science
- Mechanical Engineering
- Aerospace Engineering
Background:
- Ceramic matrix composite thin plates (CMCTPs) are vital in high-temperature environments.
- Understanding their dynamic characteristics under thermal stress is critical for structural integrity.
Purpose of the Study:
- To develop a prediction method for CMCTPs with protective coatings under high temperatures.
- To analyze the influence of coatings on the thermo-vibrational resistance of CMCTPs.
Main Methods:
- Utilizing first-order shear deformation theory and the energy principle.
- Incorporating thermal effects into the analysis.
- Experimental validation using a thermo-vibrational platform up to 800 °C.
Main Results:
- The method accurately predicts natural frequencies and resonant responses of CMCTPs from 25 °C to 800 °C.
- Protective coatings demonstrably enhance the thermo-vibrational resistance of CMCTPs.
- Key parameters influencing dynamic characteristics were identified.
Conclusions:
- Protective coatings are essential for improving the high-temperature performance of CMCTPs.
- Optimization of coating-to-substrate properties maximizes vibration suppression.
- Findings offer guidance for designing coated CMCTP components in aerospace.