Advances in Production Engineering & Management
Volume 11 | Number 1 | March 2016 | pp 5–14
http://dx.doi.org/10.14743/apem2016.1.205
Assessment of mechanical and wear properties of epoxy-based hybrid composites
Agunsoye, J.O.; Bello, S.A.; Bello, L.; Idehenre, M.M.
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A B S T R A C T
Discarded florescent tubes and graphite rods obtained from dumped primary cells have been processed to obtain glass and graphite particles. 80 µm glass and graphite particles were used as reinforcements in epoxy resin, LY 556 cured with HY 931 hardener to produce epoxy resin hybrid composites. The morphology, mechanical properties, thermal stability and wear resistance characteristics of the epoxy resin glass/graphite hybrid composites were studied. The thermogravimetric analyser TGA 701 was used to examine the thermal stability of the epoxy resin glass particle/graphite composites. Addition of graphite and glass particles enhanced the strength, thermal stability and wear resistance of the epoxy resin. However, tensile strain and impact energy absorption of the epoxy resin hybrid composites started declining at 6 wt% of glass particle addition. The increase in wear rate of the composites with an increment in applied loads is attributable to increase in the normal reaction between the examined sample surfaces and the emery paper. Furthermore, the increase in wear resistance with an increment in wt% of glass particle additions is attributable to good interfacial adhesion between matrix and the fillers. The textural and appearance differences between the scanning electron micrographs of the control and epoxy resin hybrid composites is attributable to the presence of new phases due to exothermic and cross linking reaction between the matrix and the fillers. Hence, new vital engineering composites peculiar to automobile, aerospace and building industries have been produced.
A R T I C L E I N F O
Keywords • Epoxy resin, Composite, Glass particle, Graphite particle, Mechanical properties, Wear properties
Corresponding author • Bello, S.A.
Article history • Received 11 June 2015, Revised 8 January 2016, Accepted 19 January 2016
Published on-line • 7 February 2016
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