About this Abstract |
Meeting |
2024 ASC Technical Conference, US-Japan Joint Symposium, D30 Meeting
|
Symposium
|
2024 ASC Technical Conference, US-Japan Joint Symposium, D30 Meeting
|
Presentation Title |
Enhancing Fracture Properties through Fiber Waviness Manufactured Using Tailored Fiber Placement |
Author(s) |
Troy Nakagawa, Eric Zhou, Michael Braginski, Caleb Tanner, Scott Huelskamp, Jevan Furmanski, Andrew Abbott, Gyaneshwar P Tandon, Mark Flores |
On-Site Speaker (Planned) |
Troy Nakagawa |
Abstract Scope |
Tailored Fiber Placement (TFP) stands apart from other manufacturing methods by allowing higher level of control on the fiber preform. By stitching continuous fibers into a carrier cloth, curvilinear patterns can be achieved, similar to embroidery. Fiber orientations of these preforms can be optimized and near-net-shape parts can be manufactured. Previous work has shown that in-plane fiber waviness can be tuned to increase fracture energy by inhibiting crack propagation, while limiting drops in mechanical performance. In this study, a sinusoidal [-45/0/45/90]s laminate is manufactured using TFP. Quasi-brittle fracture mechanics and Bažant Size Effect Law is used to analyze geometrically scaled notched semi-circular bend specimen. Surface damaged is monitored through Digital Image Correlation (DIC) and X-Ray micro-Computed Tomography is used to evaluate internal damage. This study showcases how fiber waviness can inhibit crack growth and enhance fracture properties. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |