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 |
Resilient Behavior of Additive Manufactured CF/Nylon Origami Hybrid Composites for Aerospace Damping |
Author(s) |
Khaja Fayaz Hussain, Kamran Khan, Wesley Cantwell |
On-Site Speaker (Planned) |
Khaja Fayaz Hussain |
Abstract Scope |
Origami-inspired structures (OIS) have attracted significant interest in engineering due to their unique design principles and deformation characteristics along crease lines, offering exceptional mechanical properties like tunable stiffness and favorable energy absorption modes, recently intriguing researchers. Their distinctive crease patterns make them promising candidates for dampers in space rovers and landers, where energy dissipation is vital to protect sensitive payloads and enhance spacecraft stability. However, despite their potential, studies on energy dissipation in OIS are relatively scarce. This investigation aims to assess and compare the energy dissipation of OIS constructed from two materials: discontinuous carbon fiber-reinforced Nylon (CFRN), known as Onyx, and neat Nylon. Circular (COS) and square cross-section (SOS) OIS will be analyzed and hybridized with a plate lattice, resulting in circular origami (COPH) and square origami plate hybrids (SOPH), maintaining a consistent 20% relative density.
Initially, the structures will undergo quasi-static compression to determine their load within the linear elastic limit. Subsequently, they will undergo cyclic loading at various strain rates to observe viscoelastic phenomena and energy dissipation behavior. The study will analyze the effect of strain rate on the cyclic response and energy dissipation of monolithic and CFRN OIS, aiming to identify wider load-displacement hysteresis loops indicative of greater energy dissipation suitable for damping applications. While neat Nylon OIS may exhibit higher energy dissipation but greater viscoelasticity, composite OIS are expected to consistently dissipate energy over numerous cycles, owing to the incorporation of CFRN, enabling adjustable stiffness and dissipation characteristics. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |