Home >> Plastics, Rubber and Composites, Volume 38, Number 8

Characterisation of dynamic mechanical behaviour of magnetoelastomers

Authors: Major, Z.1; Schrittesser, B.2; Filipcsei, G.3

Source: Plastics, Rubber and Composites, Volume 38, Number 8, October 2009 , pp. 313-320(8)

Publisher: Maney Publishing

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Abstract:

Dynamic mechanical analysis experiments were conducted on various magnetoelastomers. The dynamic mechanical behaviour was characterised in terms of dynamic, storage and loss modulus values over a wide frequency and dynamic amplitude range with and without a magnetic field. Magnetoelastomers with different matrix hardness were produced with and without the application of a magnetic field. The curing in magnetic fields results in an oriented, chain-like particle structure and thus a highly anisotropic material behaviour. Furthermore, significantly higher storage modulus values were measured for anisotropic materials with a simultaneously higher viscoelastic loss factor and tan δ values. Moreover, the influence of the magnetic field is much more pronounced for anisotropic magnetoelastomers than for isotropic ones.

Keywords: PROCESSING IN MAGNETIC FIELDS; DYNAMIC MECHANICAL ANALYSIS; MAGNETOELASTOMERS; ISOTROPIC AND ANISOTROPIC BEHAVIOUR

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/146580109X12473409436986

Affiliations: 1: Institute for Polymer Product Engineering, University of Linz, Linz, Austria;, Email: zoltan.major@jku.at 2: Polymer Competence Center Leoben GmbH, Leoben, Austria 3: Materials Structure and Modelling Research Group of the Hungarian Academy of Sciences, Budapest University of Technology and Economics, Budapest, Hungary

Publication date: 2009-10-01

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