Investigation of the effect of thermal-oxidative again on the damaged 3D woven carbon fiber composite materials

Liang Xu; Guiting Wang; Song Zhou; Yanqing Huang

doi:10.1117/12.3006660

26 September 2023 Investigation of the effect of thermal-oxidative again on the damaged 3D woven carbon fiber composite materials

Liang Xu, Guiting Wang, Song Zhou, Yanqing Huang

Author Affiliations +

Proceedings Volume 12793, International Conference on Mechatronics and Intelligent Control (ICMIC 2023); 1279314 (2023) https://doi.org/10.1117/12.3006660
Event: International Conference on Mechatronics and Intelligent Control (ICMIC2023), 2023, Wuhan, China

Abstract

This study investigates the effects of thermal-oxidative aging on the mechanical properties of three-dimensional woven carbon fiber composite materials with pre-existing damage. The aging mechanisms and changes in mechanical properties were analyzed under aging conditions of 70℃, 120℃, and 180℃. The materials were subjected to thermal-oxidative aging tests, and the following analyses were conducted: mass loss rate, SEM microstructure observation, Fourier-transform infrared spectroscopy (FT-IR), dynamic mechanical analysis (DMA), as well as open-hole tensile strength tests. The results indicate that the extent of mass loss and interface debonding increases with higher thermal-oxidative aging temperatures. Higher temperatures also lead to chemical reactions within the resin matrix. Moreover, the open-hole tensile strengths decrease with increasing aging temperature.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Liang Xu, Guiting Wang, Song Zhou, and Yanqing Huang "Investigation of the effect of thermal-oxidative again on the damaged 3D woven carbon fiber composite materials", Proc. SPIE 12793, International Conference on Mechatronics and Intelligent Control (ICMIC 2023), 1279314 (26 September 2023); https://doi.org/10.1117/12.3006660

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