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《Journal of Shenyang Aerospace University》 2016-01
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Experiment of inherent characteristics of vibration of the shape memory alloy cantilever beam

DUAN Nan;TENG Ying-yuan;ZHANG Ye-wei;FANG Bo;ZHANG Zhen;Faculty of Aerospace Engineering,Shenyang Aerospace University;  
The shape memory alloy,as a novel functional material,is widely studied and has been applied tothe vibration control of structure due to its high damping characteristics. In this paper,the shape memory alloy cantilever beam is used as the research subject. The response signal of the fixed end and free end of the SMA cantilever beam is measured by experiments,and the frequency response function of the SMA cantilever beam is calculated. Moreover,the modal identification is carried out using Poly MAX method of modal analysis module of the LMS Test Lab,and the natural frequency and modal damping ratio of the SMA cantilever beam are attained. As the experimental results show,under the condition of experiment simulation,the SMA cantilever beam can effectively weaken the impact of vibration source on the end of beam in the frequency range of 10 to 65 Hz.
【Fund】: 国家自然科学基金(项目编号:11402151);; 辽宁省自然科学基金(项目编号:2015020106;2013024005)
【CateGory Index】: TG139.6
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