Abstract
This study examines the dynamic mechanical properties of composites made via continuous filament fabrication, an additive manufacturing (AM) technique. Four Nylon/Kevlar samples with varying fiber orientations were produced, each with a 0.1 mm layer height and 3 mm total thickness, resulting in a fiber volume fraction of 15.71 % to 18.44 %. Dynamic mechanical analysis (DMA) was used to assess viscoelastic behavior, focusing on storage modulus, loss modulus, and damping factor (tan delta). The specimen F_NK1 exhibited the highest initial storage modulus, with gradual stiffness loss at higher settling temperatures (Ts), while F_NK2 showed a steeper decline, and F_NK3 and F_NK4 had lower initial moduli and greater temperature sensitivity.
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