Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/2787
Title: Effect of Nano-Modified SiO2/Al2O3 Mixed-Matrix Micro-Composite Fillers on Thermal, Mechanical, and Tribological Properties of Epoxy Polymers
Authors: Vaisakh, S S
Peer Mohammed, A A
Hassanzadeh, M
Tortorici, J F
Metz, R
Ananthakumar, S
Keywords: epoxy polymer
nano-modified mixed-matrix micro-composite fillers
thermal conductivity
compressive strength
Issue Date: Jul-2016
Publisher: Wiley
Citation: Polymers for Advanced Technologies, 27(7):905-914
Abstract: Thermo-mechanically durable industrial polymer nanocomposites have great demand as structural components. In this work, highly competent filler design is processed via nano-modified of micronic SiO2/Al2O3 particulate ceramics and studied its influence on the rheology, glass transition temperature, composite microstructure, thermal conductivity, mechanical strength, micro hardness, and tribology properties. Composites were fabricated with different proportions of nano-modified micro-composite fillers in epoxy matrix at as much possible filler loadings. Results revealed that nano-modified SiO2/Al2O3 micro-composite fillers enhanced inter-particle network and offer benefits like homogeneous microstructures and increased thermal conductivity. Epoxy composites attained thermal conductivity of 0.8 W/mK at 46% filler loading. Mechanical strength and bulk hardness were reached to higher values on the incorporation of nano-modified fillers. Tribology study revealed an increased specific wear rate and decreased friction coefficient in such fillers. The study is significant in a way that the design of nano-modified mixed-matrix micro-composite fillers are effective where a high loading is much easier, which is critical for achieving desired thermal and mechanical properties for any engineering applications.
Appears in Collections:2016

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