| Abstract Scope |
This research delves into the transformative potential of Additive Manufacturing (AM), with a focus on optimizing 4D printing parameters for shape memory polymer blends. Specifically, it examines the mechanical properties of 3D-printed polylactic acid (PLA), thermoplastic polyurethane (TPU) filaments, and extruded PLA\TPU blends, highlighting the significant influence of infill patterns and densities. Findings reveal that PLA achieves the highest tensile strength with a Zig-Zag pattern at 100% infill, while TPU excels in elasticity and self-healing. The study emphasizes the critical role of CAD modeling and slicing in advancing AM technologies. Detailed analyses of the morphological, chemical, and thermal properties of PLA, TPU, and their blends underscore varying crystallinity levels. Additionally, the research explores how different processing techniques impact the final properties and microstructure of PLA/TPU blends. This study underlines the revolutionary credibility and adaptability of AM technology in developing advanced polymer-based materials for diverse applications. |