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Banana Stem Based Activated Carbon as Filler in Polymer Composites for Automobile Applications

Hindustan Institute of Tech. and Science-John Presin Kumar Ayyaswamy, Sivakumar Sattanathan, Balaji Ramachandran, Mukesh Nadarajan
Published 2019-10-11 by SAE International in United States
Activated carbon was produced from a new part of banana plant namely true stem in this current research and used as fillers in polymer composites for automobile application. True stems of banana plants are the main wastes in banana or fruit markets which refer to the remains after banana fruits are removed from the supporting stems. Conversion of raw material into activated carbon particles is done by chemical and heat activation. The raw material used here were dried samples of banana plant’s true stem. This material was heated in a crucible at 400°C and then powdered. These crushed samples were activated using hydrochloric acid at 120°C for 5 hours and finally in a furnace for thermal activation at 700oC for 1 hour. These particles were incorporated as fillers in composites at Proportions of 15%, 25%, 35% and 45%. The activated carbon samples have been characterized by determining its fixed carbon content and bulk density. Scanning electron microscopy was done to analyze the morphology of particles. Mechanical tests were conducted for tensile strength, flexural strength and…
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Experimental Investigation on Mechanical Properties and Vibration Damping Frequency Factor of Kenaf Fiber Reinforced Epoxy Composite

Hindustan Institute of Technology and Science-Sathish Kumar Rajamanickam, Sivakumar Sattanathan, Deenadayalan Ganapathy, Joshuva Arockia Dhanraj
Sri Krishna College of Engineering and Technology-Vishnuvardhan Ravichandran
Published 2019-10-11 by SAE International in United States
Kenaf Fiber regarded as industrial crop for different applications. It is one of the most important plants cultivated for natural fibers globally. Natural fibers such as kenaf fibers are getting attention of researchers and industries to utilize it in different composites due to its biodegradable nature. In this present investigation mechanical properties, vibration damping frequency factor and thermogravimetric analysis of kenaf fiber reinforced epoxy composite (KFREC) have been evaluated and reported. The tests were conducted with different weight categories of kenaf fiber such as 20%, 25%, 30% and 35%. The effects of fiber content on tensile, flexural, impact strengths, hardness and thermal decomposition properties of the composite were determined. The failure mechanism and damage features of the KFREC were categorized using Scanning Electron Microscope (SEM). The results indicate that the increase in the fiber content decreases the damping vibration factor (ζ) correspondingly. The lowest value of the damping vibration factor was recorded as 0.033 for 35% weight content of Kenaf fiber in the composite. The maximum value of hardness, tensile, flexural, and impact strengths were…
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