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Effect of Zr Addition on the Grain Refinement of Mg-xLi-1.5 Al Magnesium Alloys

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25870807%3A_____%2F17%3AN0000030" target="_blank" >RIV/25870807:_____/17:N0000030 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.metal2018.com/en/proceedings-metal-2017/" target="_blank" >https://www.metal2018.com/en/proceedings-metal-2017/</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Effect of Zr Addition on the Grain Refinement of Mg-xLi-1.5 Al Magnesium Alloys

  • Original language description

    Magnesium-lithium alloy is one of the lightest metal construction material and has excellent strength and with low density. lts density is about 1,3-'1.6 g/cm3 and has high strength, and is an ideal structure material for aerospace, aeronautics and military industry, nuclear industry, electronic products, etc. The primary feature of Mg-Li alloys is high solid solubility of lithium in magnesium and magnesium in lithium. There are also no intermetallic phases. ln the equilibrium system, there are two solid phases: a solid solution of lithium in magnesium with a hexagonal structure and a solid solution of magnesium in the lithium, characterized by a structure of a regular spatially centered. To improve mechanical properties of magnesium - lithium alloys, a different type of modifiers are added to melts to decrease grain size thus changing mechanical properties. Zirconium is one of the magnesium alloy microstructure modifier, which reduces the grain size and consequently makes it possible to obtain satisfying mechanical properties. Even a small amount of zirconium in magnesium alloys results in a complete modification of coarse-grained microstructure, The paper presents the results of the influence of commercial Zr on the refine the grain size and dilatometric behaviour of Mg-Li-1.5Al alloys (x = 4.5, 9 and 12 by weight percentage). The coefficient of thermal expansion (CTE) of investigated light-weight alloys was measured in the temperature range from 20 to 400 °C. The effects of Zr content on the microstructure of analysed magnesium alloys were investigated. Microstructural evaluations were identified by light microscope.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/LO1203" target="_blank" >LO1203: Regional Materials Science and Technology Centre - Feasibility Program</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Metal 2017, 26th International Conference on Metallurgy and Materials, CONFERENCE PROCEEDINGS

  • ISBN

  • ISSN

    0018-8069

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    1847-1852

  • Publisher name

    TANGER Ltd., Keltičkova 62,710 00 Ostrava, Czech Republic, EU

  • Place of publication

    Ostrava

  • Event location

    Hotel Voronež I, Brno, Czech Republic, EU

  • Event date

    May 24, 2017

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article