Influence of Fibre Inter-ply Orientation on the Mechanical and Free Vibration Properties of Banana Fibre Reinforced Poly
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ORIGINAL PAPER
Influence of Fibre Inter‑ply Orientation on the Mechanical and Free Vibration Properties of Banana Fibre Reinforced Polyester Composite Laminates M. Chandrasekar1 · I. Siva2 · T. Senthil Muthu Kumar2 · K. Senthilkumar2,3 · Suchart Siengchin3 · N. Rajini2
© Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract The mechanical properties and vibration damping characteristics of cross-ply laminates ([90°/0°/90°] and [0°/90°/0°]), [0°/45°/0°], four-layered angle ply laminate ([90°/0°]s) and Quasi-isotropic laminates ([0°/90°/45°]s, [0°/45°/90°]s,) containing 50 ± 2 wt% of banana fibres in polyester matrix were investigated. The experimental results indicate that the tensile strength, Young’s modulus, impact strength, and the natural frequency were superior for [0°/90°/0°] laminates. In the case of flexural properties, the Quasi-isotropic laminates displayed better performance than the other configurations. Tensile fractured specimens were examined under a scanning electron microscope (SEM) to understand the difference in failure behavior due to the inter-ply orientation in the laminate. Keywords Banana fibre · Inter-ply orientation · Mechanical properties · Natural frequency · Damping
Introduction Research on the bio-composites with the reinforcements and matrix from the renewable resources are of current interest to the researchers and manufacturers due to the depleting petroleum resources, their role in providing sustainable * I. Siva [email protected] * K. Senthilkumar [email protected] * Suchart Siengchin suchart.s.pe@tggs‑bangkok.org * N. Rajini [email protected] 1
School of Aeronautical Sciences, Hindustan Institute of Technology & Science, Padur, Kelambakkam, Chennai, Tamilnadu 603103, India
2
Department of Mechanical Engineering, Kalasalingam Academy of Research and Education, Krishnankoil, Tamil Nadu 626126, India
3
Department of Mechanical and Process Engineering, The Sirindhorn International Thai German Graduate School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok, 1518 Wongsawang Road, Bangsue, Bangkok 10800, Thailand
products to the end-users and decrease the impact on climate by reducing the greenhouse gas emissions [1–4]. Natural fibres can be used as reinforcing materials to form bio-composites for various industrial and domestic applications. The use of natural fibre as composite reinforcement provides farmers with a secondary source of income [5]. For instance, banana and pineapple plants are mainly cultivated for their fruits and the fibres produced from these plants are considered as byproducts. Hence, these natural fibres not only help in reducing the dependence of petroleum-based materials; alternatively, they can also help in economic development due to their ease of processing and abundant availability. Many natural fibres such as pineapple leaf, sisal, hemp, banana, etc. are used as reinforcing materials for producing the composite materials owing to (i) their high specific strength (ii) less price (
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