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Processing and Performance Evaluation of Nanoclay Infused EPON828

[+] Author Affiliations
Mahesh V. Hosur, Orion Gebremedhin, Shaik Jeelani

Tuskegee University, Tuskegee, AL

Paper No. IMECE2007-43830, pp. 607-618; 12 pages
doi:10.1115/IMECE2007-43830
From:
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 3: Design and Manufacturing
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4297-5 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME

abstract

The field of polymer-clay nanocomposites has attracted considerable attention as a method of enhancing polymer properties and extending their utility. In this research, different nanocomposites have been manufactured by modifying the EPON828 resin system through the infusion of 0.5%, 1%, 1.5% and 2% by weight of clay (Nanocor® 1.30E) nanoparticles. Mechanical properties such as flexural, compressive, tensile and high strain rate strengths and moduli of polymer matrix were improved in nano structured materials owing to their unique phase morphology and improved interfacial interactions. A dynamic Mechanical analysis was performed to monitor changes in the thermal properties of the nanocomposite. Nanoclay reinforced epoxy showed consistent improvement in all the mechanical as well as Thermomechanical properties. High strain rate compressive modulus showed a progressive improvement over the neat values for all the strain rates used. SEM micrographs of the fracture surfaces for both tensile and flexural samples showed regular and continuous patterns of cracks for the neat samples. The nanophased samples on the other hand showed multiple irregular cracks which increased in densities with nanoclay loading.

Copyright © 2007 by ASME

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