Abstract
Sandwich structures have gained popularity in structural, automotive and aerospace applications due to their superior mechanical properties. This study aims to explore the mechanical properties of polymer sandwich structures produced using Fused Deposition Modelling (FDM). The research investigates the mechanical properties of sandwich structures made by combining two polymers, polylactic acid (PLA) and acrylonitrile butadiene styrene (ABS). Tensile tests were conducted to obtain mechanical properties, and the results showed that sandwich structures perform better than pure ABS specimens. Out of the combinations tested, the structure with ABS as the core and PLA as the face demonstrated the best results. Furthermore, the study revealed that the sandwich structure with ABS as the face and PLA as the core has better mechanical properties compared to pure ABS. These findings provide valuable insights into the capabilities and limitations while using these polymer combinations in structural applications. The research is expected to assist in the design and engineering of FDM-based products by identifying the optimal 3-D printed polymer sandwich structure for specific structural applications.
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