Hostname: page-component-78c5997874-t5tsf Total loading time: 0 Render date: 2024-11-19T20:30:16.519Z Has data issue: false hasContentIssue false
  • English
  • Français

Effect of Filler Morphology on Viscoelastic Properties of PDMS-Based Magnetorheological Elastomers

Published online by Cambridge University Press:  09 November 2018

Susana Anacleto-Lupianez  and
L. Z. Sun
Susana Anacleto-Lupianez
Affiliation:
Graduate Student, Department of Civil and Environmental Engineering, University of California, Irvine, CA92697-2175, USA
L. Z. Sun*
Affiliation:
Professor and Corresponding Author, Department of Civil and Environmental Engineering, University of California, Irvine, CA, 92697-2175, USA, Email: [email protected]
*
*(Email: [email protected])
Get access

Abstract

The viscoelastic properties of magnetorheological elastomers (MREs) are tunable with an external magnetic field, which provides them with greater functionality than conventional reinforced polymers. Despite the abundant amount of literature studying the complex micromechanics of MREs, the effect of filler morphology (including particle size, shape and superficial texture) is an aspect that has been recurrently overlooked. This paper presents a multiscale experimental investigation of the microscopic mechanisms governing the macroscopic viscoelastic behavior of PDMS-silicone-based MREs, with an emphasis on the effect of filler morphology on both the microstructure and the overall dynamic shear response of MREs. Sixteen different MREs were produced using four different iron powders of varying average particle size, shape and texture. The morphology of iron particles and the microstructure of the fabricated materials were analyzed via X-ray computed nanotomography and scanning electron microscopy. In addition, the shear moduli of the specimens were monitored under coupled magneto-mechanical loading via dynamic mechanical analysis. This study shows that the particle size affects the strength of the magnetic interparticle interactions, which produce a confining effect on the rubber matrix, while the particle shape and texture have a great influence on the rubber-filler mechanical adhesion.

Keywords

compositeelastic propertiesmicrostructure
Type
Articles
Information
MRS Advances , Volume 3 , Issue 62: International Materials Research Congress XXVII , 2018 , pp. 3695 - 3707
Copyright
Copyright © Materials Research Society 2018 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Carlson, J. D. and Jolly, M. R., MR fluid, foam and elastomer devices, Mechatronics, vol. 10, pp. 555–569, 2000.CrossRefGoogle Scholar
Demchuk, S. A. and Kuz’min, V. A., Viscoelastic properties of magnetorheological elastomers in the regime of dynamic deformation, J. Eng. Phys. Thermophys., vol. 75, pp. 104–107, 2002.CrossRefGoogle Scholar
Fan, Y., Gong, X., Xuan, S., Zhang, W., Zheng, J., and Jiang, W., Interfacial friction damping properties in magnetorheological elastomers, Smart Mater. Struct., vol. 20, p. 035007, 2011.CrossRefGoogle Scholar
Lokander, M., Performance of isotropic magnetorheological rubber materials, Polym. Test., vol. 22, pp. 245–251, 2003.CrossRefGoogle Scholar
Böse, H. and Röder, R., Magnetorheological elastomers with high variability of their mechanical properties, J. Phys. Conf. Ser., vol. 149, p. 012090, 2009.CrossRefGoogle Scholar
Boczkowska, A. and Awietjan, S., Microstructure and Properties of Magnetorheological Elastomers, in Advanced Elastomers–Technology, InTech, 2012.Google Scholar
Hegde, S., Poojary, U. R., and Gangadharan, K. V., Experimental investigation of effect of ingredient particle size on dynamic damping of RTV Silicone base Magnetorheological elastomers, Proccedia Materials Science, vol. 5, pp. 2301-2309, 2014.CrossRefGoogle Scholar
Günther, D., Borin, D. Y., Günther, S., and Odenbach, S., X-ray micro-tomographic characterization of field-structured magnetorheological elastomers, Smart Mater. Struct., vol. 21, p. 015005, 2011.Google Scholar
Borbáth, T., Günther, S., Yu Borin, D., Gundermann, T., and Odenbach, S., XμCT analysis of magnetic field-induced phase transitions in magnetorheological elastomers, Smart Mater. Struct., vol. 21, p. 105018, 2012.CrossRefGoogle Scholar
Anacleto-Lupianez, S., Experimental Investigation of the Effect of the Filler Morphology on the Viscoelastic Shear Properties of PDMS-Based Magnetorheological Elastomers, M.S. Thesis, University of California, Irvine, 2015.Google Scholar
Gong, X. L., Zhang, X. Z., and Zhang, P. Q., Fabrication and characterization of isotropic magnetorheological elastomers, Polym. Test., vol. 24, pp. 669–676, 2005.CrossRefGoogle Scholar
GongJ. Y, X. J. Y, X., and Xuan, S., Investigation on the mechanism of damping behavior of magnetorheological elastomers, Smart Mater. Struct., vol. 21, p. 125015, 2012.Google Scholar
Yin, H. M. and Sun, L. Z., Magnetoelasticity of chain-structured ferromagnetic composites, Applied Physics Letters, vol. 86 (26), p. 261901, 2005.CrossRefGoogle Scholar
Li, R. and Sun, L.Z., Dynamic mechanical behavior of magnetorheological nanocomposites filled with carbon nanotubes, Applied Physics Letters, vol. 99 (13), p. 131912, 2011.CrossRefGoogle Scholar
Li, R. and Sun, L.Z., Viscoelastic responses of silicone-rubber-based magnetorheological elastomers under compressive and shear loadings, Journal of Engineering Materials and Technology, vol. 135, p. 021008, 2013.CrossRefGoogle Scholar
Damiani, R. and Sun, L.Z., Microstructural characterization and effective viscoelastic behavior of magnetorheological elastomers with varying acetone contents, International Journal of Damage Mechanics, vol. 26 (1), pp. 104-118, 2017.CrossRefGoogle Scholar
Westerhoff, P. and Johnson, P. C., A Zero-Valent Iron (FE0) Packed-Bed Treatment Process. Denver: American Water Works Association Research Foundation, 2001.Google Scholar