Dynamic properties of pseudoelastic shape memory alloys

D. Z. Li; Z. C. Feng

doi:10.1117/12.275696

6 June 1997 Dynamic properties of pseudoelastic shape memory alloys

D. Z. Li, Z. C. Feng

Proceedings Volume 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems; (1997) https://doi.org/10.1117/12.275696
Event: Smart Structures and Materials '97, 1997, San Diego, CA, United States

Abstract

In this paper, we report a set of vibration transmission experiments that are conducted to investigate how the pseudoelasticity of shape memory alloys (SMAs) affects the transmissibility characteristics of a spring-mass system, where a shape memory alloy rod is used as a spring. The tests are conducted by subjecting the SMA bar under tension- compression and under bending. The test results indicate that compared with ordinary alloys, SMAs have a much higher damping. Most importantly, the damping property depends on the amplitude of the responses indicating that the spring-mass system is nonlinear. Furthermore, the high damping property persists to the high frequency limit (above 1 KHz) permitted by the equipment setup.

Citation Download Citation

D. Z. Li and Z. C. Feng "Dynamic properties of pseudoelastic shape memory alloys", Proc. SPIE 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems, (6 June 1997); https://doi.org/10.1117/12.275696

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