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Polymers 2017, 9(12), 696; https://doi.org/10.3390/polym9120696

Experimental Investigation of the Magnetorheological Behavior of PDMS Elastomer Reinforced with Iron Micro/Nanoparticles

1
Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico
2
División de Estudios de Posgrado e Investigación, Tecnológico Nacional de Mexico, Instituto Tecnológico de Pachuca, Carr. México-Pachuca km 87.5, Col. Venta Prieta, C.P., Pachuca 42080, Mexico
3
Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Av. Universidad s/n, Ciudad Universitaria, C.P., San Nicolas de los Garza 66451, Mexico
*
Author to whom correspondence should be addressed.
Received: 30 October 2017 / Revised: 2 December 2017 / Accepted: 6 December 2017 / Published: 10 December 2017
(This article belongs to the Special Issue Elastomers)
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Abstract

The aim of this article focuses on identifying how the addition of iron micro- and nanoparticles influences the physical properties of magnetorheological composite materials developed with a polydimethylsiloxane (PDMS) matrix with different contents of silicone oil used as additive. A number of characterization techniques have been performed in order to fully characterize the samples, such as cyclic and uniaxial extension, rheology, swelling, Vibrating sample magnetometer (VSM), X-ray Diffraction (XRD), Scanning electron microscopy (SEM), Fourier-Transform Infrared (FTIR), X-ray photoelectronic spectroscopy (XPS) and Thermogravimetric analysis (TGA). The comparison between two matrices with different shore hardnesses and their mechanical and chemical properties are elucidated by swelling and tensile tests. In fact, swelling tests showed that higher crosslink density leads to increasing elongation at break and tensile strength values for the composite materials. The best mechanical performance in the magnetorheological material was observed for those samples manufactured using a higher silicone oil content in a hard polymeric matrix. Furthermore, it has been found that the magnetic properties are enhanced when nanoparticles are used as fillers instead of microparticles. View Full-Text
Keywords: magnetorheological elastomer; iron micro- and nanoparticles; magnetic and rheological properties; swelling crosslink density; Mullins’ effect magnetorheological elastomer; iron micro- and nanoparticles; magnetic and rheological properties; swelling crosslink density; Mullins’ effect
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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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Palacios-Pineda, L.M.; Perales-Martinez, I.A.; Lozano-Sanchez, L.M.; Martínez-Romero, O.; Puente-Córdova, J.; Segura-Cárdenas, E.; Elías-Zúñiga, A. Experimental Investigation of the Magnetorheological Behavior of PDMS Elastomer Reinforced with Iron Micro/Nanoparticles. Polymers 2017, 9, 696.

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