Damping characteristics of SMA films and their application for passive vibration isolation

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In applications of shape memory alloys (SMAs) as actuators and vibration isolation devices, understanding of the nonlinear hysteretic response of SMAs is important. The thermomechanical response, especially the pseudoelastic behavior of Ni-Ti SMAs at various annealing temperatures is investigated. The 2-D numerical model of the SMAs is proposed to predict the thermomechanical behaviors of SMA thin film. The methodology to attenuate vibrations of a host structure by using an SMA film is numerically demonstrated. For the damping enhancement, the structure with SMA films bonded onto it is numerically modeled and the effectiveness of SMA on passive vibration isolation is investigated.
Publisher
IOS PRESS
Issue Date
2008
Language
English
Article Type
Article; Proceedings Paper
Citation

INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, v.27, no.3, pp.225 - 241

ISSN
1383-5416
URI
http://hdl.handle.net/10203/6500
Appears in Collection
AE-Journal Papers(저널논문)
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