Thermomechanical model for NiTi shape memory wires

M. Frost, P. Sedlák, Merja Sippola, P. Šittner

    Research output: Contribution to journal › Article › Scientific › peer-review

    17 Citations (Scopus)

    Abstract

    A simple one-dimensional rate-independent model is proposed. It is able to capture responses of a NiTi shape memory alloy wire element to mechanical and thermal loadings. Since the model takes into account martensitic phase transformation as well as deformation processes in the martensite, both shape memory effects and pseudoelasticity can be simulated. The model introduces non-hysteretic transformation strain. Particular attention was paid to description of partial loading cycles. By changing the input parameters the model can be adapted to various types of NiTi-based materials. The model was implemented in the finite element code Abaqus as a User routine and several simulations were performed to validate the implementation.
    Original languageEnglish
    Article number094010
    JournalSmart Materials and Structures
    Volume19
    Issue number9
    DOIs
    Publication statusPublished - 2010
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Shape memory effect
    wire
    Wire
    shape memory alloys
    martensite
    Martensite
    phase transformations
    Phase transitions
    cycles
    simulation

    Keywords

    • ProperTune

    Cite this

    Frost, M. ; Sedlák, P. ; Sippola, Merja ; Šittner, P. / Thermomechanical model for NiTi shape memory wires. In: Smart Materials and Structures. 2010 ; Vol. 19, No. 9.
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    Frost, M, Sedlák, P, Sippola, M & Šittner, P 2010, 'Thermomechanical model for NiTi shape memory wires', Smart Materials and Structures, vol. 19, no. 9, 094010. https://doi.org/10.1088/0964-1726/19/9/094010

    Thermomechanical model for NiTi shape memory wires. / Frost, M.; Sedlák, P.; Sippola, Merja; Šittner, P.

    In: Smart Materials and Structures, Vol. 19, No. 9, 094010, 2010.

    Research output: Contribution to journal › Article › Scientific › peer-review

    TY - JOUR

    T1 - Thermomechanical model for NiTi shape memory wires

    AU - Frost, M.

    AU - Sedlák, P.

    AU - Sippola, Merja

    AU - Šittner, P.

    PY - 2010

    Y1 - 2010

    N2 - A simple one-dimensional rate-independent model is proposed. It is able to capture responses of a NiTi shape memory alloy wire element to mechanical and thermal loadings. Since the model takes into account martensitic phase transformation as well as deformation processes in the martensite, both shape memory effects and pseudoelasticity can be simulated. The model introduces non-hysteretic transformation strain. Particular attention was paid to description of partial loading cycles. By changing the input parameters the model can be adapted to various types of NiTi-based materials. The model was implemented in the finite element code Abaqus as a User routine and several simulations were performed to validate the implementation.

    AB - A simple one-dimensional rate-independent model is proposed. It is able to capture responses of a NiTi shape memory alloy wire element to mechanical and thermal loadings. Since the model takes into account martensitic phase transformation as well as deformation processes in the martensite, both shape memory effects and pseudoelasticity can be simulated. The model introduces non-hysteretic transformation strain. Particular attention was paid to description of partial loading cycles. By changing the input parameters the model can be adapted to various types of NiTi-based materials. The model was implemented in the finite element code Abaqus as a User routine and several simulations were performed to validate the implementation.

    KW - ProperTune

    U2 - 10.1088/0964-1726/19/9/094010

    DO - 10.1088/0964-1726/19/9/094010

    M3 - Article

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    JO - Smart Materials and Structures

    JF - Smart Materials and Structures

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    Frost M, Sedlák P, Sippola M, Šittner P. Thermomechanical model for NiTi shape memory wires. Smart Materials and Structures. 2010;19(9). 094010. https://doi.org/10.1088/0964-1726/19/9/094010

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