The potential of cast magnesium alloys for being used as structural materials in lightweight applications is assessed. The ability of the alloys far mechanical performance is evaluated and compared against the ability of widely used structural aircraft vast aluminum alloys. The specific quality index QDS, devised for evaluating both cast and wrought aluminum alloys, will be exploited to evaluate the ability of a number of cast magnesium alloys for mechanical performance. The exploited quality index QDS involves the material's yield strength Rp to account for strength, the strain energy density W to accountfor both tensile ductility and toughness, and the material's density rho. The effects of differences in chemical composition and heat treatment conditions on the mechanical performance of cast magnesium alloys have been assessed. The use of the quality index QDS has been proved to appreciably facilitate the evaluation of the mechanical performance of cast magnesium alloys and also the comparison between alloys of different base materials. The results quantify the gap to be closed such as to involve cast magnesium alloys in aircraft structural applications.


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    Titel :

    Mechanical performance evaluation of cast magnesium alloys for automotive and aeronautical applications


    Weitere Titelangaben:

    Auswertung der mechanischen Eigenschaften von Magnesiumgusslegierungen für Automotive- und Luftfahrtanwendungen


    Beteiligte:
    Pantelakis, S.G. (Autor:in) / Alexopoulos, N.D. (Autor:in) / Chamos, A.N. (Autor:in)


    Erscheinungsdatum :

    2007


    Format / Umfang :

    9 Seiten, 10 Bilder, 5 Tabellen, 26 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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