Tailoring the Response Time of Shape Memory Alloy Wires through Active Cooling and Pre-stress

Abstract

Application of shape memory alloy (SMA) actuators is limited to low frequencies due to slow cooling time especially in the embedded conditions where heat transfer rate is the controlling factor. In this study, we investigate various active cooling techniques and effect of pre-stress to improve the response time of two commercially available SMAs: Flexinol… (More)

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