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Technologies 2015, 3(2), 94-102; doi:10.3390/technologies3020094

A Study on the Effect of Nano Alumina Particles on Fracture Behavior of PMMA

1
Department of Materials Science and Engineering, Engineering Faculty, Ferdowsi University of Mashhad, Azadi Square, 91775-111 Mashhad, Iran
2
Department of Materials Science and Engineering, Engineering Faculty, Shiraz University, 7134814666 Shiraz, Iran
*
Author to whom correspondence should be addressed.
Academic Editor: Manoj Gupta
Received: 27 March 2015 / Revised: 20 April 2015 / Accepted: 22 April 2015 / Published: 30 April 2015
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Abstract

In the current research, the role of nano-sized alumina on deformation and fracture mechanism of Poly Methyl Methacrylate (PMMA) was investigated. For this purpose, PMMA matrix nanocomposite reinforced with different wt% of alumina (i.e., 5, 10 and 15) were fabricated using the compression molding technique. Tensile properties of produced nanocomposites were studied using Zwick Z250 apparatus at cross head speed of about 5 mm/min. In order to specify the role of alumina nanoparticles on deformation and fracture mechanism of PMMA, microscopic evaluation was performed using scanning electron microscope (SEM). The achieved results prove that tensile properties of PMMA depend on alumina wt%. For example, addition of 15 wt% alumina to PMMA causes an increase of about 25% modulus of elasticity. Micrographs taken from the fracture surface of PMMA and its nanocomposites show deformation and fracture mechanism of PMMA changes as alumina is added to it. View Full-Text
Keywords: PMMA; nanocomposite; alumina; fracture mechanism PMMA; nanocomposite; alumina; fracture mechanism
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Sezavar, A.; Zebarjad, S.M.; Sajjadi, S.A. A Study on the Effect of Nano Alumina Particles on Fracture Behavior of PMMA. Technologies 2015, 3, 94-102.

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