Synthesis of Al-ZrAl3 nanostructured composites by a colloidal processing route: Mechanical properties by small punch test
DOI:
https://doi.org/10.3989/revmetalm.0813Keywords:
Powder metallurgy, Aluminum, Intermetallics, ZrAl3, Colloidal synthesis, Mechanical properties, Small punch testAbstract
This work describes a new method to obtain Al-Zr intermetallic nanostructured materials by using a colloidal processing technique. The combination of Al powders and zirconium IV-propoxide (C12H28O4Zr) under controlled conditions results in a metal matrix composite with a homogeneous dispersion of intermetallics. Synthesis was carried out in a tubular furnace under argon and by hot pressing under the same atmospheric conditions. XDR and SEM were used to identify the intermetallic nanoparticles. The Vickers hardness of the ZrAl3 nanocomposites and the mechanical behaviour by small punch test were studied.
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