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January 25th, 2010

Synthesis of Gamma-AlON Powders by a Combinational Method of Carbothermal Reduction and Solid-State Reaction

Published on January 25th, 2010 | By: pwray@ceramics.org

Volume 93 Issue 1, Pages 22 – 24

 

Xinayang Yuan, Xuejian Liu, Fang Zhang, Shiwei Wang
Published Online: Oct 29 2009 6:05PM
DOI: 10.1111/j.1551-2916.2009.03380.x

 

ABSTRACT
Fine, pure γ-AlON powders have been synthesized by a combinational method. The method was based on the weight change between the reactant (Al2O3) and the resultant (AlN) in a carbothermal reduction (CR) reaction. It combined the advantages of CR method and solid-state reaction method, and overcame their disadvantages. Sucrose was used as the reducer instead of carbon black. Compared with carbon black, sucrose was more effective in nitridation and hindering the agglomeration of powders.

 

Online Access to Journal of the American Ceramic Society


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