Mechanical and morphological characterization of sisal/kenaf/pineapple mat reinforced hybrid composites

Author:

Felix Sahayaraj A.1,Jenish I.2,Tamilselvan M.1,Muthukrishnan M.1,Kumar B. Ashok3

Affiliation:

1. Department of Mechanical Engineering , Kalaignar Karunanidhi Institute of Technology , Coimbatore , 641402 , Tamil Nadu , India

2. Department of Applied Mechanics , Seenu Atoll School , Hulhu-medhoo , Addu City , 19060 , Maldives

3. Department of Mechanical Engineering , Nandha College of Engineering , Vaikkaalmedu , Erode , 638052 , Tamil Nadu , India

Abstract

Abstract The objective of this research is to produce and analyze natural fiber-based composites (sisal/polyester, kenaf/polyester, pineapple/polyester) and their hybrid composites (sisal/kenaf/polyester, kenaf/pineapple/polyester, and sisal/kenaf/pineapple/polyester) made by compression molding. These composites were characterized mechanically using hardness (shore D), tensile, flexural, and impact (Charpy) tests. Fiber matrix bonding was analyzed using Scanning Electron Microscopy (SEM). Among all the fiber-based samples (sisal/polyester, kenaf/polyester, and pineapple/polyester), sisal/polyester shows a high hardness value of 93.24 Sd, a tensile strength of 43.00 MPa, and an impact strength around 7.42 kJ/m2, while pineapple/polyester produces a better flexural strength of 83.21 MPa. Hybrid composites showed improved mechanical performance. The mechanical characteristics of the sisal/kenaf/pineapple/polyester hybrid composite were 56.16 MPa, 1.71 GPa, and 9.34 kJ/m2. The highest flexural strength of the Sisal/kenaf/polyester multi-layered samples was observed as 83.24 MPa.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Industrial and Manufacturing Engineering,Polymers and Plastics,General Chemical Engineering

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