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Thermal Stability of Ultra-fine Grained AZ31 Magnesium Alloy Processed by Severe Plastic Deformation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F11%3A10108731" target="_blank" >RIV/00216208:11320/11:10108731 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Thermal Stability of Ultra-fine Grained AZ31 Magnesium Alloy Processed by Severe Plastic Deformation

  • Original language description

    The microstructure of ultra-fine grained (UFG) magnesium alloy AZ31 and its development with temperature were investigated. UFG specimens were prepared by a combined two-step severe plastic deformation process: the extrusion (EX) and the equal-channel angular pressing (ECAP). This combined process leads to microstructure refinement and enhanced microhardness. The microstructure evolution and mechanical properties were studied by light and scanning electron microscopy and microhardness measurements. Specimens were annealed for 1 hour at temperatures of 150, 200, 250, 300, 350, 400, 450, 500 oC. No changes were observed after annealing at 150 oC. The coarsening of a fine-grained structure at higher temperatures was accompanied by a gradual decrease of the microhardness. Microstructure of the specimens annealed at 450 oC and 500 oC is very non-homogeneous due to the secondary recrystallization.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA106%2F09%2F0482" target="_blank" >GA106/09/0482: Mechanical properties and microstructure development of ultrafine-grained magnesium alloys prepared by various processing routes</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2011

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    WDS'11 Proceedings of Contributed Papers, Part I

  • ISBN

    978-80-7378-184-2

  • ISSN

  • e-ISSN

  • Number of pages

    4

  • Pages from-to

    132-135

  • Publisher name

    Matfyzpress

  • Place of publication

    Praha, Czechia

  • Event location

    Praha, Czechia

  • Event date

    May 31, 2011

  • Type of event by nationality

    CST - Celostátní akce

  • UT code for WoS article