35th Congress of the International Council of the Aeronautical Sciences

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

IMPACT TOLERANCE OF DRILLED THICK C/SIC CERAMIC MATRIX COMPOSITES

A.M. Caporale¹, G. Janszen¹, A.S. Jambhulkar¹, M. Ursic², A. Tasca², R. Passoni², A. Airoldi¹; ¹Politecnico di Milano, Italy ;²Brembo N.V., Italy

This work investigates impact tolerance and fatigue performance of reinforced C/SiC matrix composites with and without drilled holes. Low energy impact tests identify the barely visible impact damage threshold and its effect on residual flexural strength. Drilled specimens show strength reduction beyond BVID, while fatigue tests confirm tolerance under cyclic loading up to 75% of static strength.


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DOI: 10.71945/icas2026_0357