Volume 4, Issue 3, September 2018, Page: 53-60
Effect of Visco-Elastic Parameters and Activation Energy of Epoxy Resin Matrix Reinforced with Sugarcane Bagasse Powder (SCBP) Using Dynamic Mechanical Analyzer (DMA)
Mustapha Abdullahi, Department of Chemistry, Ahmadu Bello University, Samaru, Zaria, Kaduna State, Nigeria
Paul Andrew Mamza, Department of Chemistry, Ahmadu Bello University, Samaru, Zaria, Kaduna State, Nigeria
Gideon Adamu Shallangwa, Department of Chemistry, Ahmadu Bello University, Samaru, Zaria, Kaduna State, Nigeria
Received: Jan. 9, 2019;       Accepted: Jan. 29, 2019;       Published: Feb. 20, 2019
DOI: 10.11648/j.ajpst.20180403.11      View  171      Downloads  31
Abstract
A sugar cane bagasse powder (SCBP) reinforced epoxy resin composite was developed at low cost using the hand lay-up method. The viscoelastic parameters and activation energies of the composites were evaluated using dynamic mechanical analyzer (DMA) in a temperature range from 30°C to 120°C at 10Hz oscillating frequency. It was observed that 30wt% and 40wt% SCBP/Epoxy composites are the stiffest composite materials because of their higher values of storage modulus of 950MPa and 997MPa in comparison to about 800MPa of the neat epoxy matrix. Our findings also revealed that loss modulus decreases with increase in temperature and incorporation of SCPB fiber content caused broadening of the curves which depicts an increase in thermal stability of composite materials in comparison with neat epoxy matrix. There was a gradual decrease in damping coefficients as the SCBP content increases which could be attributed to the reinforcing effect of the fiber. The decrease in activation energies of 293.013, 286.836 and 201.103KJ/mol for 20wt%, 40wt%, and 50wt%SCBP/Epoxy resin composites proved that the activation energy values are in agreement with the storage modulus which suggests an improved stiffness of the composites.
Keywords
Viscoelastic Nature, Sugarcane Bagasse Powder (SCBP), Epoxy Resin, Dynamic Mechanical Properties
To cite this article
Mustapha Abdullahi, Paul Andrew Mamza, Gideon Adamu Shallangwa, Effect of Visco-Elastic Parameters and Activation Energy of Epoxy Resin Matrix Reinforced with Sugarcane Bagasse Powder (SCBP) Using Dynamic Mechanical Analyzer (DMA), American Journal of Polymer Science and Technology. Vol. 4, No. 3, 2018, pp. 53-60. doi: 10.11648/j.ajpst.20180403.11
Copyright
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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