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Growth of Flower-Like AIN by Combustion Synthesis Assisted with Mechanical Activation

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Abstract:

Flower-like AlN microstructure with many cone-like petals was prepared by combustion synthesis assisted with a mechanical activation (MA) method using NH4Cl as a reacting additive. The products were characterized by X-ray powder diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), energy dispersive spectrum (EDS) and transmission electron microscopy (TEM). A possible mechanism for the growth of AlN microflowers was proposed base on several parallel experiments and discussion. It was found that both the MA time and NH4Cl content play crucial roles for the growth of the flower-like microstructure.

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Periodical:

Materials Science Forum (Volume 695)

Pages:

413-416

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.695.413

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Online since:

July 2011

Authors:

Zhong Qi Shi, Wan Li Yang, Guan Jun Qiao, Jian Feng Yang, Zhi Hao Jin

Keywords:

Aluminum Nitride (AlN), Combustion Synthesis, Mechanical Activation, Morpholoy

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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