Abstract
Fiber-reinforced polymers and their advancements have been remarkably addressed in the past few decades. In recent years, additive manufacturing (AM) technology has added a new dimension to the polymer composite industry. This article is intended to explore the AM technique, in particular, fused deposition modeling (FDM), to highlight the effect of various printing parameters on flexural properties. Flexural specimens were prepared as per ASTM D790 standard with a Nylon-based matrix (Onyx) and continuous fibers, such as glass fiber, Kevlar fiber, and carbon fiber using Markforged Mark Two 3D printer. After analysis of the results, it was observed that the flexural properties are highly influenced by the print parameters. Fiber type and isotropic fiber angles were found as the most influencing parameters for flexural strength and modulus responses. After reinforcement, the flexural strength was increased by 76.4% for Kevlar fiber, 129.8% for glass fiber, and 230.1% for carbon fiber. This work will provide the researchers in the 3D printing domain to gain an insight into the characteristics of fiber-reinforced polymeric composites.
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