Volume 33, Issue 2 (Journal of Advanced Materials-fall 2015)                   jame 2015, 33(2): 99-106 | Back to browse issues page

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S. Mirtalebi, D. Ghasemi. Characterization and Formation Mechanism of Aluminum Based Nanocomposites Reinforced with TiO2 Particles by Mechanical Milling . jame. 2015; 33 (2) :99-106
URL: http://jame.iut.ac.ir/article-1-583-en.html
Abstract:   (4132 Views)
In the present study, pure Aluminum powder with 5%wt Titanium Dioxide was mechanically milled at different times. Using phase analysis through X-ray diffraction (XRD), it was found that increasing of the milling times over 10 hours causes the reduction of Titanium by Aluminum and formation of Al2O3 in the structure. Also, it was shown that if the process persists, Aluminum reacts with Titanium and causes the formation of Al3Ti in the composition. The reactions were studied through the thermodynamic relations. Furthermore, after distribution of reinforcement particles in the matrix, using X-ray diffraction peak broadening, according to Williamson-Hall equation, the mean crystallite size and lattice strain were determined, and by scanning electron microscopy (SEM), the structure and morphology of the powder particles were studied.
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Type of Study: Research | Subject: General
Received: 2015/02/25 | Accepted: 2015/02/25 | Published: 2015/02/25

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