RESM
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PUBLISHER
Research Article
Characterizing polylactic acid/basalt fiber composite: Synthesis, characterization, and mechanical property evaluation
C. Poornima, T. V. Vineeth Kumar
Department of Mechanical Engineering, Siddaganga Institute of Technology, Karnataka, India
Keywords
Abstract
Polymers;
Basalt fiber;
Polylactic acid;
Maleic anhydride;
Injection molding
This investigation focused on enhancing the mechanical properties of polylactic acid (PLA) through the incorporation of basalt fibers and a maleic anhydride coupling agent. Basalt fibers, renowned for their high tensile strength and modulus, were selected as a potential reinforcement to augment PLA's mechanical performance. To optimize interfacial bonding between the hydrophilic PLA matrix and hydrophobic basalt fibers, maleic anhydride was employed as a coupling agent. The results indicate that the inclusion of 3 wt.% maleic anhydride and 10-20 wt.% basalt fibers significantly improved the composite's tensile strength by 40% and flexural strength by 51%. These findings underscore the potential of basalt fiber-reinforced PLA as a high-performance, sustainable material for diverse applications.
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