Abstract
To develop a vibration isolator for the vertical direction using a post-buckled shape memory alloy (SMA), it is important to understand the restoring force and the mechanism of the negative stiffness characteristics of a post-buckled SMA beam. In this study, we investigated the relationship between the restoring force characteristics and the phase transformation of a post-buckled thin plate SMA beam. The Finite Element Analysis was used for the investigation. As a result, we confirmed a qualitative correlation between the restoring force characteristics and the volume fraction of the phase transformed SMA material.
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