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Water-Based Method for Processing Aluminum Oxynitride (AlON)

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Abstract:

A water-based method for producing aluminum oxynitride (AlON) green bodies with a relatively high density is described. While alcohol is usually the medium for ball milling, this approach utilizes water to form a rigid network of aluminum hydroxide in Al2O3–AlN preforms. Al2O3–AlN preforms were prepared by four different routes based either on alcohol or water-based slips, and underwent identical sintering procedures. Samples prepared using the water-based method and pressure filtration reached a green density of 67%, compared with 52% and 47% for samples prepared from alcohol-based slips and formed using pressure filtration and dry pressing, respectively.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1744-7402.2008.02245.x

Affiliations: Department of Materials Engineering, Technion–Israel Institute of Technology, Haifa 32000, Israel

Publication date: November 1, 2008

bsc/ijac/2008/00000005/00000006/art00013
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