Alkaline Effect on Characterization of Discarded Waste of Moringa oleifera Fiber as a Potential Eco-friendly Reinforceme
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ORIGINAL PAPER
Alkaline Effect on Characterization of Discarded Waste of Moringa oleifera Fiber as a Potential Eco‑friendly Reinforcement for Biocomposites K. N. Bharath1 · P. Madhu2 · T. G. Yashas Gowda3 · M. R. Sanjay3 · Vinod Kushvaha4 · Suchart Siengchin3
© Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Environmental friendly nature of natural fiber has magnetized many as the prospective reinforcement in biocomposite. Furthermore, the natural fibers excel in the application of light weight engineering structures. The main aim of this study is to extract and characterize Moringa oleifera fruit fibers as green fiber for natural fiber based polymer composite. The fiber bundle samples were prepared as per the standard ASTM techniques and tests were performed. After the extraction of fibers through manual retting, the anatomy, density and tensile tests along with XRD, TGA, DSC and SEM analysis were studied for fiber bundles. The results acquired from the experimentation authenticate that M. oleifera fruit fibers can be deemed as a prospective green fiber for the reinforcement of biocomposite for several engineering commercial products. Keywords Moringaoleifera fruit fiber · Biocomposite · XRD · TGA · DSC · SEM
Introduction The global environmental crisis has stimulated the scientific research to concentrate towards designing novel engineering materials for the manufacturing of various packaging, construction, furniture, aerospace and automotive parts with the help of modified thermoset or thermoplastic polymers [1, 2]. As a result, the green composites due to their superior heterogeneous physical and chemical properties have found to be the advanced material systems to overcome the * M. R. Sanjay [email protected] * Suchart Siengchin suchart.s.pe@tggs‑bangkok.org 1
Department of Mechanical Engineering, G.M. Institute of Technology, Davangere, Karnataka, India
2
Department of Mechanical Engineering, Malnad College of Engineering, Hassan, Karnataka, India
3
Natural Composites Research Group Lab, Department of Mechanical and Process Engineering, The Sirindhorn International Thai‑German Graduate School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
4
Department of Civil Engineering ‑ Materials and Structures, Indian Institute of Technology Jammu, Jammu, J&K, India
ecological problems and have materialized to be a promising alternative for manmade composites [3, 4]. The natural fiber/ polymer composites have expanded their usage in the rapid rate over past few decades mainly because of their advantages such as biodegradability, high specific strength and modulus, high strength to weight ratio, renewability, cost effectiveness, ease of processing, reduced respiratory irritation and corrosion resistance etc. [5–7]. Several researchers have reported on studies focusing on different novel plant fibers and their capability in replacing synthetic fibers. Some of the sources of natural fibers in the plant are bark, leaf, see
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