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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/24896

Title: A combined experimental and theoretical investigation of the Al-Melamine reactive milling system: a mechanistic study towards AlN-based ceramics
Authors: Rounaghi, Seyyed A.
Vanpoucke, Danny E. P.
Eshghi, Hossein
Scudino, Sergio
Esmaeili, Elaheh
Oswald, Steffen
Eckert, Jürgen
Issue Date: 2017
Citation: JOURNAL OF ALLOYS AND COMPOUNDS, 729, p. 240-248
Abstract: A versatile ball milling process was employed for the synthesis of hexagonal aluminum nitride (h-AlN) through the reaction of metallic aluminum with melamine. A combined experimental and theoretical study was carried out to evaluate the synthesized products. Milling intermediates and products were fully characterized via various techniques including XRD, FTIR, XPS, Raman and TEM. Moreover, a Boltzmann distribution model was proposed to investigate the effect of milling energy and reactant ratios on the thermodynamic stability and the proportion of different milling products. According to the results, the reaction mechanism and milling products were significantly influenced by the reactant ratio. The optimized condition for AlN synthesis was found to be at Al/M molar ratio of 6, where the final products were consisted of nanostructured AlN with average crystallite size of 11 nm and non-crystalline heterogeneous carbon.
URI: http://hdl.handle.net/1942/24896
DOI: 10.1016/j.jallcom.2017.09.168
ISSN: 0925-8388
Category: A1
Type: Journal Contribution
Appears in Collections: Research publications

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