Performance Evaluation of Epoxy Based Natural Composites Reinforced with Flax and Flax-Ramie Fiber

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Document Type : Research Article

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RV College of Engineering

Abstract

Growing environmental concerns and regulatory pressure have necessitated the requirement for natural fiber-based composites for various applications. Natural fiber-based composites are increasingly valued for their excellent mechanical properties, including high specific strength and stiffness, as well as their lightweight nature. Additionally, their eco-friendliness and superior vibration damping and thermal insulation capabilities make them ideal for sustainable and efficient engineering applications. This paper focuses on the performance evaluation of epoxy reinforced with Flax and Flax - Ramie fiber hybrid composites. The laminates were developed through hand layup technique with Flax and Ramie fibers using epoxy resin . The prepared samples were further analyzed under various dynamic and static conditions, including Fast Fourier Transform (FFT) analysis, impact testing, water absorption testing, and density measurement. The flax-ramie hybrid composite shows good dynamic and static properties, including better vibration control, impact resistance, and lower moisture absorption, compared to the flax fiber composite. With a density of 1.17 g/cm³, hybrid composite absorbs more energy (10.47 J) and withstands higher impact forces (2.08 N). These characteristics make the hybrid composite more suitable for impact-prone and water-sensitive applications.

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Main Subjects

Mechanics of Advanced Composite Structures

Articles in Press, Accepted Manuscript
Available Online from 14 May 2025

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