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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 Amin
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.
Notes: [Rounaghi, Seyyed Amin] Birjand Univ Technol, Dept Mat Engn, Birjand 9719866981, Iran. [Vanpoucke, Danny E. P.] UHasselt, Inst Mat Res IMO IMOMEC, Agoralaan, B-3590 Diepenbeek, Belgium. [Vanpoucke, Danny E. P.] IMEC VZW, IMOMEC, B-3590 Diepenbeek, Belgium. [Eshghi, Hossein] Ferdowsi Univ Mashhad, Dept Chem, Fac Sci, Mashhad 917751436, Iran. [Scudino, Sergio; Oswald, Steffen] IFW Dresden, Inst Complex Mat, Helmholtzstr 20, D-01069 Dresden, Germany. [Esmaeili, Elaheh] Birjand Univ Technol, Dept Chem Engn, Birjand 9719866981, Iran. [Eckert, Juergen] Austrian Acad Sci, Erich Schmid Inst Mat Sci, Jahnstr 12, A-8700 Leoben, Austria. [Eckert, Juergen] Univ Leoben, Dept Mat Phys, Jahnstr 12, A-8700 Leoben, Austria.
URI: http://hdl.handle.net/1942/24896
DOI: 10.1016/j.jallcom.2017.09.168
ISI #: 000413555000031
ISSN: 0925-8388
Category: A1
Type: Journal Contribution
Appears in Collections: Research publications

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