Effect of Alkali Treatments on Natural Filler Content Performance of Polymer Composites

Effect of Alkali Treatments on Natural Filler Content Performance of Polymer Composites
Authors : Mallikarjun Channalli, Dr. B. Siddeswarappa
Publication Date: 03-10-2015


Author(s):  Mallikarjun Channalli, Dr. B. Siddeswarappa

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 4 - Issue. 10 , October - 2015

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV4IS100051


A study has been carried out to investigate the mechanical properties of alkali treated and untreated coconut shell powder filled content with chopped glass fiber reinforced Hybrid Composites. The mechanical behavior of composites is influenced mainly by the adhesion between matrix and fibers. The chemical modification method was incorporated to improve the fiber–matrix adhesion resulting in the enhancement of mechanical properties of the composites. Effect of filling content treatment on compression strength and also flexural strength and hardness has been investigated experimentally. It has been observed that the compressive properties increases with increase in HCl and H2SO4 treated coconut shell powder. The results reveal that the properties of 15 wt. % of HCl – treated filled coconut shell powder composites can be considerably improved by incorporation of glass fibers. The layer sequence has greater effect on hardness. Also for 15 wt. % filled composites of NaOH – treated shows maximum flexural strength compared to other three.


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