期刊
SMART MATERIALS AND STRUCTURES
卷 23, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0964-1726/23/12/125016
关键词
shape memory alloy; metal rubber; vibration; rotor dynamics; nonlinear stiffness; damping
资金
- National Natural Science Foundation of China [51475021, 51475023]
- UK Royal Society [RG2611]
The work describes the design, manufacturing and testing of a smart rotor support with shape memory alloy metal rubber (SMA-MR) elements, able to provide variable stiffness and damping characteristics with temperature, motion amplitude and excitation frequency. Differences in damping behavior and nonlinear stiffness between SMA-MR and more traditional metal rubber supports are discussed. The mechanical performance shown by the prototype demonstrates the feasibility of using the SMA-MR concept for active vibration control in rotordynamics, in particular at high temperatures and large amplitude vibrations.
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