Development and Characterization of Hybrid Composite Roof Panels Using Kevlar, Hemp, and Carbon Fabrics with Epoxy Resin

International Journal of Mechanical Engineering

© 2024 by SSRG - IJME Journal

Volume 11 Issue 12

Year of Publication : 2024

Authors : H. Madhusudhana Reddy, H. K. Shivanand, Jayakiran Reddy Esanakula

10.14445/23488360/IJME-V11I12P106

How to Cite?

H. Madhusudhana Reddy, H. K. Shivanand, Jayakiran Reddy Esanakula, "Development and Characterization of Hybrid Composite Roof Panels Using Kevlar, Hemp, and Carbon Fabrics with Epoxy Resin," SSRG International Journal of Mechanical Engineering, vol. 11,  no. 12, pp. 73-81, 2024. Crossref, https://doi.org/10.14445/23488360/IJME-V11I12P106

Abstract:

Advancing sustainable and high-performance materials adapted for roofing applications has emerged as a key priority area in materials science. This paper studies the mechanical of a new hybrid composite based on Kevlar, Hemp, and Carbon fibers, which can be used as a new alternative roofing composite, compared to well-known common building roofing materials like asbestos, cement and Galvanized Iron (GI). The prepared composite specimens are based on the hand layup process with 3 mm and 5 mm thickness values. They are characterized by their tensile strength, flexural strength, hardness, and water absorption. Out of the 3 used, the 5 mm composite had a tensile strength of 150 MPa, which was higher than asbestos by 3 folds (50 MPa) and cement by 5 folds (30 MPa) and considerably close to and under GI (180 MPa) The flexural strength values of the 5 mm composite were 180 MPa, exceeding the values of cement (40 MPa) and those of asbestos (60 MPa). The Shore hardness of the 5 mm composite was measured at 70 (Shore D), suggesting superior surface durability over conventional materials. It is ideal in moisture-prone environments, considering water absorption is less than 0.7%. The hybrid composite, therefore, proves to be a great competitor for roofing material, demonstrating potential for strength, durability, and less water absorption.

Keywords:

Hybrid composite, Kevlar, Hemp, Carbon fabric, Epoxy resin, Roofing materials.

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