Magnetic torsional actuation of carbon nanotube yarn artificial muscle
2019-11-13 17:16:29 조회수153
Duck Weon Lee,(a) Shi Hyeong Kim,(a) Mikhail E. Kozlov,(b) Xavier Lepró, (b) Ray H. Baughman (b) and Seon Jeong Kim (*a) * )Corresponding authors a )Center for Self-Powered Actuation, Department of Biomedical Engineering, Hanyang University, Seoul 04763, Korea b )The Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75083, USA 원문 링크 :!divAbstract


Magnetically driven torsional actuation of a multiwalled carbon nanotube (MWNT) yarn was realized by first biscrolling NdFeB magnetic particles into helical yarn corridors to make a magnetic MWNT yarn. The actuating device comprised a pristineMWNT yarn that was connected to the magnetic MWNT yarn, with a paddle attached between these yarns. The application of a magnetic field reversibly drove torsional actuation of up to 80° within ∼0.67 seconds. This magnetic actuator was remotely powered, and its actuation stroke was the same when the muscle array was at 20 °C and at −100 °C. 

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