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Updated: Mar 22, 2026

Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties
Published on: November 15, 2016
Characterization of the Fe-rich corner of Al-Fe-Si-Ti
Martin C J Marker1, Liliana I Duarte2, Christian Leinenbach2
1Department of Inorganic Chemistry/Materials Chemistry, University of Vienna, Währingerstraße Str. 42, A-1090 Vienna, Austria.
Abstract:
The quaternary system Al-Fe-Si-Ti was studied in the iron-rich corner for sections at 50, 60 and 70 at.% Fe at 900 °C. Isothermal phase equilibria were investigated by a combination of optical microscopy, X-ray powder diffraction (XRD) followed by Rietveld refinement and Electron Probe Microanalysis (EPMA). Phase boundaries of the phases, in particular of the Laves phase (Fe2Ti) and of the extended phase field of A2/B2/D03, were investigated. Selected samples containing the Laves phase and the B2 phase were characterized by microhardness measurements at different compositions throughout the quaternary homogeneity range of the phases.
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