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Localized plastic deformation of superelastic NiTi wires in tension

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F23%3A00574356" target="_blank" >RIV/68378271:_____/23:00574356 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21340/23:00371007

  • Result on the web

    <a href="https://hdl.handle.net/11104/0344695" target="_blank" >https://hdl.handle.net/11104/0344695</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s40830-023-00415-3" target="_blank" >10.1007/s40830-023-00415-3</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Localized plastic deformation of superelastic NiTi wires in tension

  • Original language description

    Tensile deformation of superelastic NiTi shape memory alloy wires at temperatures above austenite finish temperature proceeds via stress-induced martensitic transformation followed by plastic deformation of oriented martensite. While superelastic deformation tends to proceed in localized manner, plastic deformation of martensite is considered to be homogeneous. In this work, we have investigated strain localization patterns in tensile tests on superelastic NiTi wires deformed until fracture in wide temperature range from 10 to 400 °C using in situ digital image correlation analysis of local strains and analyzed lattice defects created during the deformation in TEM. We have found that plastic deformation of oriented martensite can be either homogeneous or localized, depending on the yield stress and strain hardening rate (on the Considere criterion for stability of tensile deformation).

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10302 - Condensed matter physics (including formerly solid state physics, supercond.)

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

    2023

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Shape Memory and Superelasticity

  • ISSN

    2199-384X

  • e-ISSN

    2199-3858

  • Volume of the periodical

    9

  • Issue of the periodical within the volume

    June

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    19

  • Pages from-to

    261-279

  • UT code for WoS article

    000931717500003

  • EID of the result in the Scopus database

    2-s2.0-85147675903