Počet záznamů: 1

Velcro-like fasteners based on NiTi micro-hook arrays

  1. 1.
    0365186 - FZU-D 2012 RIV GB eng J - Článek v odborném periodiku
    Vokoun, David - Sedlák, Petr - Frost, Miroslav - Pilch, Jan - Majtás, Dušan - Šittner, Petr
    Velcro-like fasteners based on NiTi micro-hook arrays.
    Smart Materials & Structures. Roč. 20, č. 8 (2011), 085027/1-085027/13 ISSN 0964-1726
    Grant CEP: GA ČR GAP108/10/1296; GA ČR GA106/09/1573
    Výzkumný záměr: CEZ:AV0Z10100520; CEZ:AV0Z20760514
    Klíčová slova: Nitinol * martensitic transformation * Finite Element Method * Velcro-like fastener
    Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
    Impakt faktor: 2.089, rok: 2011

    A recently developed Velcro-like fastener utilizes superelastic deformation of two interlocked NiTi hooks when pulled apart. This work focuses on experimental analysis (evaluation of normal detachment force at different temperatures) and modeling (simulation by a finite element implemented SMA model) of the unhooking process. It is claimed that nonlinear superelastic deformation of NiTi leads to unique properties of the NiTi hook fasteners such as high strength (~15 000 kg m−2), a significant increase of strength with increasing temperature, absorption of impact loads, damping of mechanical vibrations, forceless contact or silent release and better functioning in dirty environments compared to conventional Velcro fasteners.
    Trvalý link: http://hdl.handle.net/11104/0200486