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Characterization of Areca and Tamarind Fiber Reinforced Hybrid Polymer Composites for Structural Applications

Sree Vidyanikethan Engineering College-Binoj Joseph Selvi, Manikandan Natarajan, Bhanu Prakash Palampalle
Published 2019-10-11 by SAE International in United States
Recently, owing to the noteworthy properties like biodegradable, low cost, readily available, easy processing, less toxic and eco-friendly nature natural fibers reinforced composites are used in different engineering applications. Nevertheless, the traditionally used synthetic E-glass fiber composite shows inverse features than that of reported natural fiber composites. Hence, in the current investigation discarded areca and tamarind fibers was collected, extracted and characterized for its overall performance and to implement it as a better alternative for artificial fiber composites. Composite coupons were made with different magnitudes of fiber/matrix and inspected for their potentiality by exploring its mechanical and thermal assets as per standard techniques. The developed areca and tamarind hybrid composite results shown better part than their individual composites and also in par with the prevailing synthetic fiber products. Hence, the tested results shown that the fabricated hybrid composites exhibits better specific properties and ensures its potentiality for aerospace and automotive applications.
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A Comparative Study on Microstructures and Mechanical Properties of Al-GNPs Composites Fabricated by Casting Method

Sree Vidyanikethan Engineering College-Bhanu Prakash Palampalle, Krishnamachary Pattipati Chinna, Binoj Joseph Selvi
Published 2019-10-11 by SAE International in United States
This paper describes an investigation on microstructures as well as mechanical properties of pure aluminium graphene nano platelets (GNPs) metal matrix composites prepared via novel based stir casting technique combined with ultrasonic treatment. The proportion of graphene changes from 0.5 to 2.0 wt. % in aluminium with 99% purity. The investigations on composites revealed that Al with combination of 1.0 % graphene composite showcased enhanced mechanical properties with 48.49 % (~49%) increase in tensile strength and 34.53 % (~35%) increase in micro hardness compared to test results of composites produced by traditional stir casting technique. FESEM analysis was done to examine the surface morphology of produced composite and fracture surface of tested composites where as XRD analysis was to inspect the phase analysis of produced composites. It reveals that, through cavitational effect there was a uniform distribution of graphene in aluminium matrix and composites were casted with less porosity due to which there is significant enhancement in mechanical properties compare to composites produced by stir casting technique
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Characterization and Optimization of Mechanical Properties of Sustainable Moringa Oleifera Fruit Husk Fiber for Polymer Composite Applications

Sree Vidyanikethan Engineering College-Binoj J S
Published 2018-07-09 by SAE International in United States
Natural fiber reinforced composites are playing a vital role in the polymer industry due to its low cost, light weight, renewable, biodegradable and eco-friendly properties. However, conventional E-glass fibers are hazardous for human health and causes cancer. Hence, currently the research on exploring the promising and novel sustainable natural fibers as a bio-reinforcement in polymer composites for different applications are of great demand. Huge amount of Moringa Oleifera fruit husk (MOFH), which is rich in fiber are being wasted from commercial industries after yielding its economic value. In the present work, MOFH fiber is tested comprehensively for ensuring its potentiality as a reinforcement in polymer matrix and to optimize the mechanical properties. The optimum fiber content is found to be 20 wt.%, whereas beyond that the fiber pull out and debonding occurred due to poor compatibility between the fiber and the matrix. The obtained specific properties confirms the MOFH fiber as a bio-reinforcement in polymer composites for automotive and structural applications.
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Effect of Injection Pressure on Performance of Dual Fuel Diesel Engine

Sree Vidyanikethan Engineering College-Hariprasad T
Published 2013-11-27 by SAE International in United States
Biodiesel is a non-toxic, biodegradable and renewable alternative fuel that can be used as a replacement for diesel in diesel engine. Liquefied Petroleum Gas (LPG) is considered to be one of the most promising alternative fuels. LPG can replace petrol and also it reduces NOx, soot and particulate matter. Therefore, it is more inexpensive and of ecological advantage to use gaseous fuel in diesel engines approved for the dual fuel concept. The fuel injection pressure is one of the important operating parameters which affect atomization of fuel and mixture formation and hence it determines the performance and emissions of a diesel engine. There will be a decrease in the particle diameter due to increase in the fuel injection pressure and it leads the diesel fuel spray to vaporize quickly. However, with decreasing fuel particles their inertia will also decrease and for this reason fuel can not penetrate deeply into the combustion chamber. The objective of this study was to use palm oil methyl ester (POME) as pilot fuel in dual fuel engine so as to…
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