期刊
SMART MATERIALS AND STRUCTURES
卷 24, 期 3, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0964-1726/24/3/037001
关键词
magnetorheological; 3D network supporting; polyurethane sponge
资金
- National Natural Science Foundation of China [11125210, 11102202]
- National Basic Research Program of China (973 Program) [2012CB937500]
- Anhui Provincial Natural Science Foundation of China [1408085QA17]
A stretchable magnetorheological material (SMRM) consisting of micro-meter carbonyl iron (CI) particles, low cross-linking polyurethane (PU) polymer and porous PU sponge has been developed. Due to the presence of the PU sponge, the high-performance MR material can be reversibly stretched or bent, just as MR elastomers. When the CI content increases to 80 wt%, the magnetic induced modulus of the MR material can reach as high as 7.34 MPa and the corresponding relative MR effect increases to 820%. A possible strengthening mechanism of the SMRM was proposed. The attractive mechanical properties make the SMRM a promising candidate for future high-performance devices.
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