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  • A simple macroscale model of thermomechanical response of TCPF actuators [Elektronski vir]
    Brojan, Miha ; Zavodnik, Jan, strojnik
    The recent discovery of a negative effective thermal expansion in twisted and coiled polymer fibres (TCPFs), has opened new routes for development of systems that can mimic natural skeletal muscles. ... It was shown that TCPF actuators are a viable alternative to pneumatic, hydraulic and electric actuators due to their ability to develop a significant force per unit mass, low cost of manufacture and ease of operation. To optimize the development and functionality of TCPFs, a comprehensive modelling of thermal untwist and the TCPF shortening is of great importance. For this purpose, we present a concise and simple mathematical model capable of describing thermally induced deformation and additionally, elastic deformations caused by mechanical loads and residual torsion from the fabrication process. We show a remarkable match between the theory and experiments.
    Vir: 25th International Congress of Theoretical and Applied Mechanics [Elektronski vir] : August 22-27, 2021, virtual : abstract book (Str. 2497-2498)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 75028739

    Povezava(-e):

    https://virtualictam2021.livebit.it/

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