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Influence of compound twinning on Young's moduli in NiTi martensite

Result description

NiTi shape memory alloy has been widely used in many engineering applications (e.g. mechatronic devices, medical tools, seismic sensors etc.). In this work, the Young's moduli of twinned NiTi martensite in selected crystallographic directions are calculated from first principles and ompared with previous data for perfect (untwinned) NiTi structure. The obtained results show that the selected twinning mode does not have a significant influence on the Young's moduli and, thus, their reduction observed insome experiments is probably caused by changes in martensitic microstructure (arrangement of twinning variants).

Keywords

NiTitwinningmartensiteab-initioshape memory

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    Influence of compound twinning on Young's moduli in NiTi martensite

  • Original language description

    NiTi shape memory alloy has been widely used in many engineering applications (e.g. mechatronic devices, medical tools, seismic sensors etc.). In this work, the Young's moduli of twinned NiTi martensite in selected crystallographic directions are calculated from first principles and ompared with previous data for perfect (untwinned) NiTi structure. The obtained results show that the selected twinning mode does not have a significant influence on the Young's moduli and, thus, their reduction observed insome experiments is probably caused by changes in martensitic microstructure (arrangement of twinning variants).

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

Others

  • Publication year

    2009

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    ESOMAT 2009 - 8th European Symposium on Martensitic Transformations Prague, Czech Republic, September 7-11, 2009

  • ISBN

    978-2-7598-0480-1

  • ISSN

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

  • Publisher name

    Neuveden

  • Place of publication

    Neuveden

  • Event location

    Praha

  • Event date

    Sep 7, 2009

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article