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Adv Mater. 2014 Mar 19;26(11):1746-50.

Powerful, multifunctional torsional micromuscles activated by phase transition.

Abstract

Micro bimorph coils driven by a metalinsulator phase transition in VO2 function as powerful torsional muscles. Reversible torsional motion over one million cycles without degradation is demonstrated, with a superior rotational speed up to ca. 200,000 rpm, an amplitude of 500° per mm length, and a power density up to ca. 39 kW kg⁻¹.

PMID:
24765648
[PubMed - in process]
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