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Vibration Analysis of a Ni-Ti Shape Memory Alloy Rod
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In this paper the effect of stress induced phase transformation on the vibration response
of SMA structures has been studied. To this end, a Ni-Ti clamped-free rod in the superelastic range
which is subjected to axial harmonic loading has been considered. Subsequently, the dynamic
behavior of the superelastic rod has been analyzed using Auricchio’s superelastic model, which can
reproduce the superelastic behavior of the sample during stress induced phase transformation, and
Finite Element Method. Obtained Results show that due to the phase transformation the dynamic
behavior of superelastic rod is highly nonlinear. Also, it can be deduced that superelastic
components with large hysteresis loop has the potential for use in vibration attenuation of
structures.
Title: Vibration Analysis of a Ni-Ti Shape Memory Alloy Rod
Description:
In this paper the effect of stress induced phase transformation on the vibration response
of SMA structures has been studied.
To this end, a Ni-Ti clamped-free rod in the superelastic range
which is subjected to axial harmonic loading has been considered.
Subsequently, the dynamic
behavior of the superelastic rod has been analyzed using Auricchio’s superelastic model, which can
reproduce the superelastic behavior of the sample during stress induced phase transformation, and
Finite Element Method.
Obtained Results show that due to the phase transformation the dynamic
behavior of superelastic rod is highly nonlinear.
Also, it can be deduced that superelastic
components with large hysteresis loop has the potential for use in vibration attenuation of
structures.
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