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NiTi-polyimide composites prepared using thermal imidization process

  1. 1.
    0462167 - FZÚ 2017 RIV US eng J - Článek v odborném periodiku
    Vokoun, David - Sysel, P. - Heller, Luděk - Kadeřávek, L. - Svatuška, Michal - Goryczka, T. - Kafka, Vratislav - Šittner, Petr
    NiTi-polyimide composites prepared using thermal imidization process.
    Journal of Materials Engineering and Performance. Roč. 25, č. 5 (2016), 1993-1999. ISSN 1059-9495
    Grant CEP: GA ČR GC15-13174J; GA ČR GA14-15264S
    Institucionální podpora: RVO:68378271 ; RVO:68378297
    Klíčová slova: actuator * composite * model * NiTi * polyimide * residual * stress
    Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
    Impakt faktor: 1.331, rok: 2016

    We manufactured NiTi plate-polyimide composite samples and analyzed their thermomechanical behavior. The residual stresses formed in the composite result from the shift of transformation temperatures and shape changes during thermal cycling. We demonstrate the use of finite element analysis for modeling the shape changes. The shape changes result from the difference in coefficients of thermal expansion and from the changes of Young’s modulus and of the coefficient of thermal expansion in the NiTi shape memory alloy.

    Trvalý link: http://hdl.handle.net/11104/0261670
     
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