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An experimental study of magneto-sensitive natural rubber components applied in a vibration isolation system
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, MWL Structural and vibroacoustics.
Department of Applied Mechanics, CEIT and Tecnun (University of Navarra).
Department of Applied Mechanics, CEIT and Tecnun (University of Navarra).
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, MWL Structural and vibroacoustics.ORCID iD: 0000-0001-5760-3919
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2009 (English)In: CONSTITUTIVE MODELS FOR RUBBER VI / [ed] Gert Heinrich, Michael Kaliske, Alexander Lion, London: Taylor & Francis, 2009, 99-104 p.Conference paper, Published paper (Refereed)
Abstract [en]

The effectiveness of magneto-sensitive natural rubber components applied in a vibration isolation system is experimentally investigated, where influences of excitation position, amplitude, frequency and magnetic field are examined. The magneto-sensitive elastomer consists of micron-sized, irregularly shaped iron particles blended in soft natural rubber at a concentration close to the critical particle volume fraction, shown to be the most favorable composition for optimum behaviour. A rigid aluminium mass supported on four vibration isolators is excited by an electro-dynamic shaker. Each component of this vibration isolation system is composed of two thin, square shaped, symmetrically positioned magneto-sensitive elements excited in simple shear with a magnetic field applied perpendicularly to the motion by an electromagnet. The magnetic field is varied by applying different intensities through the coil. The excitation position is either on the centre or on the edge of the surface of the mass, using step-sine excitation of various amplitudes in the frequency range of 0 to 300 Hz. The results show that it is possible to use magneto-sensitive rubber for vibration control purposes.

Place, publisher, year, edition, pages
London: Taylor & Francis, 2009. 99-104 p.
Series
Proceedings and Monographs in Engineering, Water and Earth Sciences
Keyword [en]
MAGNETORHEOLOGICAL ELASTOMERS, DEPENDENCE
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-82538ISI: 000290418100017ISBN: 9780415563277 (print)OAI: oai:DiVA.org:kth-82538DiVA: diva2:498340
Conference
6th European Conference on Constitute Models for Rubber, Dresden, Germany, 2009
Note
QC 20120214Available from: 2012-02-12 Created: 2012-02-12 Last updated: 2012-02-14Bibliographically approved

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Kari, Leif

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