Research Article
Fabrication and Characterization of Natural Rubber-Based Magnetorheological Elastomers at Large Strain for Base Isolators
Table 4
MR effect of MREs with various iron ratios (100% shear strain, 0.5Hz).
| | Iron volume fraction (%) | 0 | 15 | 25 | 30 | 35 | | Magnetic flux density (T) | 0 / 0.94 | 0 / 0.94 | 0 / 0.94 | 0 / 0.94 | 0 / 0.94 |
| | Isotropic | | | | | | | Shear modulus (MPa) | 0.32 / 0.32 | 0.48 / 0.51 | 0.58 / 0.65 | 0.61 / 0.70 | 0.62 / 0.74 | | MR effect (%) | 0 | 6.3 | 12.1 | 14.8 | 19.4 | | Anisotropic | | | | | | | Shear modulus (MPa) | - | 0.47 / 0.51 | 0.58 / 0.66 | 0.59 / 0.70 | 0.59 / 0.72 | | MR effect (%) | - | 8.5 | 13.8 | 18.6 | 22.0 |
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