35th Congress of the International Council of the Aeronautical Sciences

04.1 - Aerospace Grade Materials, Structural Analysis, Fatigue and Damage Tolerance

NUMERICAL SIMULATION OF STRESS-OXIDATION DAMAGE IN C/SIC COMPOSITES AT HIGH TEMPERATURES

G. Chen¹, L. Yao¹, B. Li¹, X. Tong¹; ¹Northwestern Polytechnical University, China

A novel thermo-chemo-mechanical model is developed to predict stress-oxidation damage in C/SiC composites. Results reveal a critical "diffusion-oxidation" feedback loop accelerating failure. This work provides a vital tool for predicting residual strength and lifespan in hypersonic vehicles and aeroengines, offering significant value for high-temperature structural integrity assessments.


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DOI: 10.71945/icas2026_0276