Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Magnetic-field Sensitivity for Monomodal Magnetic Elastomers with Various Volume Fractions of Magnetic Particles
Jinta NanpoShota AbeMika KawaiTetsu Mitsumata
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2017 Volume 46 Issue 11 Pages 1628-1630

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Abstract

The relationship between magnetic-field sensitivity and the volume fraction of magnetic particles for magnetic elastomers was investigated. The magnetic-field dependence of the storage modulus for magnetic elastomers was measured by dynamic viscoelastic measurements under magnetic fields with a constant sweep rate of 3.7 mT s−1. The magnetic-field sensitivity was determined by the initial slope of the storage modulus using an exponential function. It was revealed that the maximum magnetic-field sensitivity was 1.8 × 10−2 mT−1 at the maximum volume fraction of magnetic particles.

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© 2017 The Chemical Society of Japan
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