磁気機能性流体の組成がダンパの減衰特性に及ぼす影響

概要

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Magnetic functional fluids contain many magnetic particles. When the magnetic functional fluids including both micrometer size magnetic particles and nanometer size magnetic particles are used for the damper, the damping properties are affected by mixture ratio of them. The magnetic functional fluids including much micrometer size magnetic particles has large damping force. However the micrometer size magnetic particles sink immediately. Therefore, in this study, damping properties of a damper using magnetic functional fluids including both micrometer size magnetic particles and nanometer size magnetic particles are investigated experimentally. The magnetic functional fluids include thickener to prevent the magnetic particles from sinking. It is shown that the damping force, the absorption energy and the response of damping force are affected by the composition of the magnetic functional fluids.
日本実験力学会の論文