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Structural characterization of a bulk and nanostructured Al-Fe system = Karakterizacija strukture osnove in nanostrukture sistema Al-FeFekrache, Abdelhak ; Debili, Mohamed Yacine ; Lallouche, SalihaThe 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 odrasleLeto - 2014Jezik - angleškiCOBISS.SI-ID - 1082794
Avtor
Fekrache, Abdelhak |
Debili, Mohamed Yacine |
Lallouche, Saliha
Teme
aluminium alloys |
sputtering |
microhardness |
thin films |
grain size |
Hall-Petch |
aluminijeve zlitine |
naprševanje |
mikrotrdota |
tanke plasti |
velikost zrn |
Hall-Petch
vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 48, št. 5, sep.-okt. 2014, str. 633-637)
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