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  • Structural characterization of a bulk and nanostructured Al-Fe system = Karakterizacija strukture osnove in nanostrukture sistema Al-Fe
    Fekrache, Abdelhak ; Debili, Mohamed Yacine ; Lallouche, Saliha
    The main purpose of the present paper is a study of the properties of stable and metastable structures of several binary Al1-xFex alloys (0 = x = 0.92) made with high-frequency induction fusion and ... radiofrequency (13.56 MHz) cathodic sputtering from composite Al-Fe targets, resulting in homogeneous thin films. The study of the lattice parameters and mechanical behaviour was followed by X-ray diffraction and Vickers microhardness measurements of bulk and sputtered Al-Fe thin films. The phenomenon of a significant mechanical strengthening of the aluminium by means of iron is essentially due to a combination of the solid-solution effects and the grain-size refinement. A further decrease in the thin-film grain size can cause a softening of the solid and then the Hall-Petch relation slope turns from positive to negative at a critical size called the strongest size, which is coherent with the thin-film dislocation density.
    Vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 48, št. 5, sep.-okt. 2014, str. 633-637)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2014
    Jezik - angleški
    COBISS.SI-ID - 1082794

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