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Faceting of {11(2)over-bar6} twin interfaces in rolled pure magnesium

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    SYSNO ASEP0556949
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleFaceting of {11(2)over-bar6} twin interfaces in rolled pure magnesium
    Author(s) Verma, Ritu (UFM-A)
    Král, Lubomír (UFM-A) RID, ORCID
    Ostapovets, Andriy (UFM-A) RID, ORCID
    Number of authors3
    Source TitlePhilosophical Magazine. - : Taylor & Francis - ISSN 1478-6435
    Roč. 102, č. 10 (2022), s. 861-874
    Number of pages14 s.
    Languageeng - English
    CountryGB - United Kingdom
    Keywordsstructural-characterization ; atomic-resolution ; boundaries ; dislocations ; mg ; alloys ; growth ; Magnesium ; twin boundary ; interfaces ; atomistic simulations ; sem ; tem
    Subject RIVJG - Metallurgy
    OECD categoryMaterials engineering
    R&D ProjectsGA18-07140S GA ČR - Czech Science Foundation (CSF)
    Method of publishingLimited access
    Institutional supportUFM-A - RVO:68081723
    UT WOS000739724600001
    EID SCOPUS85122519022
    DOI10.1080/14786435.2021.2022232
    AnnotationRecent studies proved that the faceting of twin boundaries is a common feature in hcp materials. It was demonstrated that the asymmetrical facets in the most frequent {10 (1) over bar2} and {10 (1) over bar1} twin interfaces are the consequence of the twin boundary migration mechanism. We demonstrate that a similar mechanism is also applicable to less common {11 (2) over bar6} twins, observed in pure magnesium rolled at room temperature. The migration of {11 (2) over bar6} twin boundary is mediated by disconnections, which have Burgers vector b = 0.030[11 (2) over bar(1) over bar] and step height equal to four {11 (2) over bar6} interplanar distances. The mechanism of asymmetrical facets nucleation is also demonstrated by using atomistic simulations. The simulations are supported by transmission electron microscopy (TEM) of asymmetrical basal-pyramidal interfaces of {11 (2) over bar6} twins.
    WorkplaceInstitute of Physics of Materials
    ContactYvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485
    Year of Publishing2023
    Electronic addresshttps://www.tandfonline.com/doi/abs/10.1080/14786435.2021.2022232?journalCode=tphm20
Number of the records: 1  

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