Experimental Analysis
We conducted tensile tests on woven fabric composite specimens at elevated temperatures to experimentally measure their deformation behavior. The specimens were heated to different temperatures, and their deformation was monitored using a digital image correlation system. The experimental results showed that the woven fabric composites exhibited significant deformation at elevated temperatures, with the deformation increasing as the temperature increased.
Computer Simulations
To gain further insight into the deformation mechanisms, we developed a computational model using the finite element method (FEM). The model explicitly represented the woven fabric structure, including the yarns and the interlacing points. The material properties of the yarns and the interlacing points were obtained from experimental characterization. The FEM simulations were performed under the same loading and temperature conditions as the experimental tests.
Comparison and Discussion
The FEM simulations captured the overall deformation behavior of the woven fabric composites observed in the experimental tests. The simulated deformation patterns and magnitudes showed good agreement with the experimental measurements. The simulations also revealed the local stress and strain distributions within the woven fabric structure, providing valuable information about the deformation mechanisms.
Our combined experimental and computational analysis provides a comprehensive understanding of the deformation behavior of woven fabric composites under heat. This knowledge can aid in the design and optimization of woven fabric composites for applications involving thermal loading conditions.
