Simple and strong : twisted silver painted nylon artificial muscle actuated by Joule heating

  title={Simple and strong : twisted silver painted nylon artificial muscle actuated by Joule heating},
  author={Seyed M. Mirvakilia and Ali Rafie Ravandia and Ian W. Hunterb and Carter S. Hainesc and Javad and Foroughid and Sina Naficyd and Geoffrey M. Spinksd and Ray H. Baughmanc},
  • Seyed M. Mirvakilia, Ali Rafie Ravandia, +6 authors Ray H. Baughmanc
  • Published 2014
Highly oriented nylon and polyethylene fibres shrink in length when heated and expand in diameter. By twisting and then coiling monofilaments of these materials to form helical springs, the anisotropic thermal expansion has recently been shown to enable tensile actuation of up to 49% upon heating. Joule heating, by passing a current through a conductive coating on the surface of the filament, is a convenient method of controlling actuation. In previously reported work this has been done using… CONTINUE READING
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