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Simulations of Mechanical Response of Superelastic NiTi Helical Spring and its Relation to Fatigue Resistance

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F14%3A00429386" target="_blank" >RIV/68378271:_____/14:00429386 - isvavai.cz</a>

  • Alternative codes found

    RIV/61388998:_____/14:00429386 RIV/68407700:21340/14:00227902 RIV/49777513:23640/14:43922658

  • Result on the web

    <a href="http://dx.doi.org/10.1007/s11665-014-0906-y" target="_blank" >http://dx.doi.org/10.1007/s11665-014-0906-y</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s11665-014-0906-y" target="_blank" >10.1007/s11665-014-0906-y</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Simulations of Mechanical Response of Superelastic NiTi Helical Spring and its Relation to Fatigue Resistance

  • Original language description

    Behavior of NiTi shape memory alloys under complex loading is still a subject of both experimental and theoretical investigations. One of the simplest geometries, in which the material is loaded in combined mode and which has also several practical applications, is a simple helical spring. In this contribution, mechanical response of NiTi superelastic spring is analyzed in detail by numerical simulation and the results are compared to experiments. The simulations show complex stress state, which develops during spring stretching. Analyzing fatigue tests with respect to simulated behavior allowed us to find relation between fatigue resistance and periodic changes in volume fraction of martensite induced by cyclic mechanical loading. The work also underlines an extension of the range of stroke amplitudes guaranteeing enhanced life performance of the spring when material transforms through the R-phase.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Materials Engineering and Performance

  • ISSN

    1059-9495

  • e-ISSN

  • Volume of the periodical

    23

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    2591-2598

  • UT code for WoS article

    000339010700045

  • EID of the result in the Scopus database